Ford Ranger OBD2 Codes: A Comprehensive Guide to Troubleshooting

Encountering a check engine light in your Ford Ranger can be concerning. Modern vehicles like the Ford Ranger are equipped with an On-Board Diagnostics system, specifically OBD2, which monitors various systems and components. When something goes wrong, the system generates Diagnostic Trouble Codes (DTCs), commonly known as OBD2 codes. Understanding these codes is the first step in diagnosing and resolving issues, potentially saving you time and money on unnecessary mechanic visits. This guide provides a comprehensive list of Ford Ranger Obd2 Codes, helping you understand what they mean and how to approach troubleshooting.

Understanding OBD2 and Your Ford Ranger

The OBD2 system is standardized across most vehicles sold in the USA from 1996 onwards, including the Ford Ranger. It’s designed to help both technicians and vehicle owners identify problems quickly. When your Ford Ranger’s check engine light illuminates, it signifies that the OBD2 system has detected an issue. To retrieve the specific error code, you’ll need an OBD2 scanner, also known as a code reader.

These scanners are readily available and relatively inexpensive (link to purchase can be added here for monetization if needed). Once connected to your Ford Ranger’s OBD2 port (usually located under the dashboard on the driver’s side), the scanner can read and display the stored DTCs. These codes are alphanumeric, typically starting with a letter followed by four numbers. “P” codes, like those listed below, pertain to powertrain issues – problems with the engine, transmission, and related components.

Decoding Ford Ranger OBD2 Codes: P0100-P0199 – Fuel and Air Metering

The P0100-P0199 range of OBD2 codes for your Ford Ranger focuses on issues within the fuel and air metering system. This system is crucial for maintaining the correct air-fuel mixture for efficient combustion and optimal engine performance. Problems in this area can lead to decreased fuel economy, poor engine performance, and potentially damage to the catalytic converter if left unaddressed.

Code Description Possible Issues
P0100 Mass or Volume Air Flow Circuit Malfunction Faulty MAF/VAF sensor, wiring issues, PCM failure
P0101 Mass or Volume Air Flow Circuit Range/Performance Problem Dirty or faulty MAF/VAF sensor, air leaks, intake restrictions
P0102 Mass or Volume Air Flow Circuit Low Input MAF/VAF sensor signal wire short to ground, faulty sensor, wiring issues
P0103 Mass or Volume Air Flow Circuit High Input MAF/VAF sensor signal wire short to voltage, faulty sensor, wiring issues
P0104 Mass or Volume Air Flow Circuit Intermittent Intermittent connection in MAF/VAF sensor circuit, vibrations affecting sensor
P0105 Manifold Absolute Pressure/Barometric Pressure Circuit Malfunction Faulty MAP/BARO sensor, vacuum leaks, wiring issues, PCM failure
P0106 Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance Problem Vacuum leaks, faulty MAP/BARO sensor, altitude changes affecting readings
P0107 Manifold Absolute Pressure/Barometric Pressure Circuit Low Input MAP/BARO sensor signal wire short to ground, faulty sensor, vacuum leaks
P0108 Manifold Absolute Pressure/Barometric Pressure Circuit High Input MAP/BARO sensor signal wire short to voltage, faulty sensor, wiring issues
P0109 Manifold Absolute Pressure/Barometric Pressure Circuit Intermittent Intermittent connection in MAP/BARO sensor circuit, vibrations
P0110 Intake Air Temperature Circuit Malfunction Faulty IAT sensor, wiring issues, PCM failure
P0111 Intake Air Temperature Circuit Range/Performance Problem Faulty IAT sensor, sensor location issues, wiring problems
P0112 Intake Air Temperature Circuit Low Input IAT sensor signal wire short to ground, faulty sensor, wiring issues
P0113 Intake Air Temperature Circuit High Input IAT sensor signal wire short to voltage, faulty sensor, wiring issues
P0114 Intake Air Temperature Circuit Intermittent Intermittent connection in IAT sensor circuit, vibrations
P0115 Engine Coolant Temperature Circuit Malfunction Faulty ECT sensor, thermostat issues, wiring problems, PCM failure
P0116 Engine Coolant Temperature Circuit Range/Performance Problem Low coolant level, faulty ECT sensor, thermostat problems
P0117 Engine Coolant Temperature Circuit Low Input ECT sensor signal wire short to ground, faulty sensor, low coolant
P0118 Engine Coolant Temperature Circuit High Input ECT sensor signal wire short to voltage, faulty sensor, wiring issues
P0119 Engine Coolant Temperature Circuit Intermittent Intermittent connection in ECT sensor circuit, air pockets in coolant system
P0120 Throttle/Petal Position Sensor/Switch A Circuit Malfunction Faulty TPS, wiring issues, PCM failure
P0121 Throttle/Petal Position Sensor/Switch A Circuit Range/Performance Problem Misadjusted TPS, throttle body issues, wiring problems
P0122 Throttle/Petal Position Sensor/Switch A Circuit Low Input TPS signal wire short to ground, faulty sensor, wiring issues
P0123 Throttle/Petal Position Sensor/Switch A Circuit High Input TPS signal wire short to voltage, faulty sensor, wiring issues
P0124 Throttle/Petal Position Sensor/Switch A Circuit Intermittent Intermittent connection in TPS circuit, pedal position sensor issues
P0125 Insufficient Coolant Temperature for Closed Loop Fuel Control Thermostat stuck open, low coolant, faulty ECT sensor
P0126 Insufficient Coolant Temperature for Stable Operation Thermostat stuck open, faulty ECT sensor, cooling system issues
P0130 O2 Sensor Circuit Malfunction (Bank 1 Sensor 1) Faulty O2 sensor, exhaust leaks, wiring problems, PCM failure
P0131 O2 Sensor Circuit Low Voltage (Bank 1 Sensor 1) Lean air-fuel mixture, exhaust leaks, faulty O2 sensor, wiring issues
P0132 O2 Sensor Circuit High Voltage (Bank 1 Sensor 1) Rich air-fuel mixture, faulty O2 sensor, fuel pressure issues, injector problems
P0133 O2 Sensor Circuit Slow Response (Bank 1 Sensor 1) Aging O2 sensor, carbon buildup on sensor, exhaust leaks
P0134 O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1) Faulty O2 sensor, wiring issues, exhaust leaks
P0135 O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 1) Faulty O2 sensor heater, wiring issues, PCM failure
P0136 O2 Sensor Circuit Malfunction (Bank 1 Sensor 2) Faulty O2 sensor, exhaust leaks, catalytic converter issues, wiring problems
P0137 O2 Sensor Circuit Low Voltage (Bank 1 Sensor 2) Lean exhaust condition, faulty O2 sensor, exhaust leaks
P0138 O2 Sensor Circuit High Voltage (Bank 1 Sensor 2) Rich exhaust condition, faulty O2 sensor, catalytic converter issues
P0139 O2 Sensor Circuit Slow Response (Bank 1 Sensor 2) Aging O2 sensor, catalytic converter efficiency issues, exhaust leaks
P0140 O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 2) Faulty O2 sensor, wiring issues, catalytic converter issues
P0141 O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2) Faulty O2 sensor heater, wiring issues, PCM failure
P0142 O2 Sensor Circuit Malfunction (Bank 1 Sensor 3) (If applicable to your Ranger model) Faulty O2 sensor, wiring issues
P0143 O2 Sensor Circuit Low Voltage (Bank 1 Sensor 3) (If applicable) Lean exhaust condition, faulty O2 sensor, wiring issues
P0144 O2 Sensor Circuit High Voltage (Bank 1 Sensor 3) (If applicable) Rich exhaust condition, faulty O2 sensor, wiring issues
P0145 O2 Sensor Circuit Slow Response (Bank 1 Sensor 3) (If applicable) Aging O2 sensor, wiring issues
P0146 O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 3) (If applicable) Faulty O2 sensor, wiring issues
P0147 O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 3) (If applicable) Faulty O2 sensor heater, wiring issues
P0150 O2 Sensor Circuit Malfunction (Bank 2 Sensor 1) Faulty O2 sensor, exhaust leaks, wiring problems, PCM failure
P0151 O2 Sensor Circuit Low Voltage (Bank 2 Sensor 1) Lean air-fuel mixture, exhaust leaks, faulty O2 sensor, wiring issues
P0152 O2 Sensor Circuit High Voltage (Bank 2 Sensor 1) Rich air-fuel mixture, faulty O2 sensor, fuel pressure issues, injector problems
P0153 O2 Sensor Circuit Slow Response (Bank 2 Sensor 1) Aging O2 sensor, carbon buildup on sensor, exhaust leaks
P0154 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1) Faulty O2 sensor, wiring issues, exhaust leaks
P0155 O2 Sensor Heater Circuit Malfunction (Bank 2 Sensor 1) Faulty O2 sensor heater, wiring issues, PCM failure
P0156 O2 Sensor Circuit Malfunction (Bank 2 Sensor 2) Faulty O2 sensor, exhaust leaks, catalytic converter issues, wiring problems
P0157 O2 Sensor Circuit Low Voltage (Bank 2 Sensor 2) Lean exhaust condition, faulty O2 sensor, exhaust leaks
P0158 O2 Sensor Circuit High Voltage (Bank 2 Sensor 2) Rich exhaust condition, faulty O2 sensor, catalytic converter issues
P0159 O2 Sensor Circuit Slow Response (Bank 2 Sensor 2) Aging O2 sensor, catalytic converter efficiency issues, exhaust leaks
P0160 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 2) Faulty O2 sensor, wiring issues, catalytic converter issues
P0161 O2 Sensor Heater Circuit Malfunction (Bank 2 Sensor 2) Faulty O2 sensor heater, wiring issues, PCM failure
P0162 O2 Sensor Circuit Malfunction (Bank 2 Sensor 3) (If applicable to your Ranger model) Faulty O2 sensor, wiring issues
P0163 O2 Sensor Circuit Low Voltage (Bank 2 Sensor 3) (If applicable) Lean exhaust condition, faulty O2 sensor, wiring issues
P0164 O2 Sensor Circuit High Voltage (Bank 2 Sensor 3) (If applicable) Rich exhaust condition, faulty O2 sensor, wiring issues
P0165 O2 Sensor Circuit Slow Response (Bank 2 Sensor 3) (If applicable) Aging O2 sensor, wiring issues
P0166 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 3) (If applicable) Faulty O2 sensor, wiring issues
P0167 O2 Sensor Heater Circuit Malfunction (Bank 2 Sensor 3) (If applicable) Faulty O2 sensor heater, wiring issues
P0170 Fuel Trim Malfunction (Bank 1) Vacuum leaks, MAF/VAF sensor issues, fuel pressure problems, injector issues, O2 sensor problems
P0171 System too Lean (Bank 1) Vacuum leaks, MAF/VAF sensor issues, low fuel pressure, injector problems, exhaust leaks
P0172 System too Rich (Bank 1) High fuel pressure, injector leaks, faulty O2 sensor, MAF/VAF sensor problems, restricted air filter
P0173 Fuel Trim Malfunction (Bank 2) Vacuum leaks, MAF/VAF sensor issues, fuel pressure problems, injector issues, O2 sensor problems
P0174 System too Lean (Bank 2) Vacuum leaks, MAF/VAF sensor issues, low fuel pressure, injector problems, exhaust leaks
P0175 System too Rich (Bank 2) High fuel pressure, injector leaks, faulty O2 sensor, MAF/VAF sensor problems, restricted air filter
P0176 Fuel Composition Sensor Circuit Malfunction Faulty fuel composition sensor, wiring issues, PCM failure
P0177 Fuel Composition Sensor Circuit Range/Performance Contaminated fuel, faulty fuel composition sensor, wiring issues
P0178 Fuel Composition Sensor Circuit Low Input Fuel composition sensor signal wire short to ground, faulty sensor, wiring issues
P0179 Fuel Composition Sensor Circuit High Input Fuel composition sensor signal wire short to voltage, faulty sensor, wiring issues
P0180 Fuel Temperature Sensor A Circuit Malfunction Faulty fuel temperature sensor, wiring issues, PCM failure
P0181 Fuel Temperature Sensor A Circuit Range/Performance Faulty fuel temperature sensor, fuel temperature issues, wiring problems
P0182 Fuel Temperature Sensor A Circuit Low Input Fuel temperature sensor signal wire short to ground, faulty sensor, wiring issues
P0183 Fuel Temperature Sensor A Circuit High Input Fuel temperature sensor signal wire short to voltage, faulty sensor, wiring issues
P0184 Fuel Temperature Sensor A Circuit Intermittent Intermittent connection in fuel temperature sensor circuit, vibrations
P0185 Fuel Temperature Sensor B Circuit Malfunction (If applicable) Faulty fuel temperature sensor, wiring issues
P0186 Fuel Temperature Sensor B Circuit Range/Performance (If applicable) Faulty fuel temperature sensor, fuel temperature issues, wiring problems
P0187 Fuel Temperature Sensor B Circuit Low Input (If applicable) Fuel temperature sensor signal wire short to ground, faulty sensor, wiring issues
P0188 Fuel Temperature Sensor B Circuit High Input (If applicable) Fuel temperature sensor signal wire short to voltage, faulty sensor, wiring issues
P0189 Fuel Temperature Sensor B Circuit Intermittent (If applicable) Intermittent connection in fuel temperature sensor circuit, vibrations
P0190 Fuel Rail Pressure Sensor Circuit Malfunction Faulty fuel rail pressure sensor, fuel pressure issues, wiring problems, PCM failure
P0191 Fuel Rail Pressure Sensor Circuit Range/Performance Fuel pressure regulator issues, faulty fuel rail pressure sensor, wiring problems
P0192 Fuel Rail Pressure Sensor Circuit Low Input Fuel rail pressure sensor signal wire short to ground, low fuel pressure, faulty sensor
P0193 Fuel Rail Pressure Sensor Circuit High Input Fuel rail pressure sensor signal wire short to voltage, high fuel pressure, faulty sensor
P0194 Fuel Rail Pressure Sensor Circuit Intermittent Intermittent connection in fuel rail pressure sensor circuit, fuel pressure fluctuations
P0195 Engine Oil Temperature Sensor Malfunction Faulty engine oil temperature sensor, wiring issues, PCM failure
P0196 Engine Oil Temperature Sensor Range/Performance Faulty engine oil temperature sensor, engine oil temperature issues, wiring problems
P0197 Engine Oil Temperature Sensor Low Low engine oil temperature (genuinely low or sensor malfunction), faulty sensor, wiring issues
P0198 Engine Oil Temperature Sensor High High engine oil temperature (overheating or sensor malfunction), faulty sensor, wiring issues
P0199 Engine Oil Temperature Sensor Intermittent Intermittent connection in engine oil temperature sensor circuit, oil temperature fluctuations

Common issues related to P0100-P0199 codes: Vacuum leaks are a frequent culprit, as are issues with sensors like the MAF, MAP, IAT, ECT, and O2 sensors. Wiring problems, including shorts and open circuits, can also trigger these codes. For fuel trim codes (P0170-P0175), consider checking for fuel pressure irregularities and injector performance.

Decoding Ford Ranger OBD2 Codes: P0200-P0299 – Fuel and Air Metering (Injector Circuit)

The P0200-P0299 DTC range pinpoints problems specifically within the fuel injector circuits of your Ford Ranger. Fuel injectors are responsible for delivering precise amounts of fuel into the engine cylinders. Malfunctions here can cause misfires, rough idling, poor acceleration, and engine damage.

Code Description Possible Issues
P0200 Injector Circuit Malfunction Faulty injector, wiring issues, PCM failure, injector driver failure
P0201 Injector Circuit Malfunction – Cylinder 1 Faulty injector cylinder 1, wiring issues, injector driver failure
P0202 Injector Circuit Malfunction – Cylinder 2 Faulty injector cylinder 2, wiring issues, injector driver failure
P0203 Injector Circuit Malfunction – Cylinder 3 Faulty injector cylinder 3, wiring issues, injector driver failure
P0204 Injector Circuit Malfunction – Cylinder 4 Faulty injector cylinder 4, wiring issues, injector driver failure
P0205 Injector Circuit Malfunction – Cylinder 5 (If applicable to your Ranger model) Faulty injector cylinder 5, wiring issues, injector driver failure
P0206 Injector Circuit Malfunction – Cylinder 6 (If applicable) Faulty injector cylinder 6, wiring issues, injector driver failure
P0207 Injector Circuit Malfunction – Cylinder 7 (If applicable) Faulty injector cylinder 7, wiring issues, injector driver failure
P0208 Injector Circuit Malfunction – Cylinder 8 (If applicable) Faulty injector cylinder 8, wiring issues, injector driver failure
P0209 Injector Circuit Malfunction – Cylinder 9 (If applicable) Faulty injector cylinder 9, wiring issues, injector driver failure
P0210 Injector Circuit Malfunction – Cylinder 10 (If applicable) Faulty injector cylinder 10, wiring issues, injector driver failure
P0211 Injector Circuit Malfunction – Cylinder 11 (If applicable) Faulty injector cylinder 11, wiring issues, injector driver failure
P0212 Injector Circuit Malfunction – Cylinder 12 (If applicable) Faulty injector cylinder 12, wiring issues, injector driver failure
P0213 Cold Start Injector 1 Malfunction (If applicable) Faulty cold start injector, wiring issues
P0214 Cold Start Injector 2 Malfunction (If applicable) Faulty cold start injector, wiring issues
P0215 Engine Shutoff Solenoid Malfunction Faulty fuel shutoff solenoid, wiring issues, PCM failure
P0216 Injection Timing Control Circuit Malfunction (Diesel Rangers) Injection pump timing issues, faulty timing control solenoid, wiring problems
P0217 Engine Overtemp Condition Overheating engine, coolant system failure, faulty ECT sensor
P0218 Transmission Over Temperature Condition Transmission overheating, low transmission fluid, transmission cooler issues, faulty TFT sensor
P0219 Engine Overspeed Condition Engine exceeding safe RPM limits, driver error, mechanical issues
P0220 Throttle/Petal Position Sensor/Switch B Circuit Malfunction Faulty TPS (sensor B), wiring issues, PCM failure
P0221 Throttle/Petal Position Sensor/Switch B Circuit Range/Performance Problem Misadjusted TPS (sensor B), throttle body issues, wiring problems
P0222 Throttle/Petal Position Sensor/Switch B Circuit Low Input TPS (sensor B) signal wire short to ground, faulty sensor, wiring issues
P0223 Throttle/Petal Position Sensor/Switch B Circuit High Input TPS (sensor B) signal wire short to voltage, faulty sensor, wiring issues
P0224 Throttle/Petal Position Sensor/Switch B Circuit Intermittent Intermittent connection in TPS (sensor B) circuit, pedal position sensor issues
P0225 Throttle/Petal Position Sensor/Switch C Circuit Malfunction (If applicable) Faulty TPS (sensor C), wiring issues
P0226 Throttle/Petal Position Sensor/Switch C Circuit Range/Performance Problem (If applicable) Misadjusted TPS (sensor C), throttle body issues, wiring problems
P0227 Throttle/Petal Position Sensor/Switch C Circuit Low Input (If applicable) TPS (sensor C) signal wire short to ground, faulty sensor, wiring issues
P0228 Throttle/Petal Position Sensor/Switch C Circuit High Input (If applicable) TPS (sensor C) signal wire short to voltage, faulty sensor, wiring issues
P0229 Throttle/Petal Position Sensor/Switch C Circuit Intermittent (If applicable) Intermittent connection in TPS (sensor C) circuit, pedal position sensor issues
P0230 Fuel Pump Primary Circuit Malfunction Faulty fuel pump relay, wiring issues, fuel pump failure, PCM failure
P0231 Fuel Pump Secondary Circuit Low Low voltage to fuel pump, wiring issues, faulty fuel pump
P0232 Fuel Pump Secondary Circuit High High voltage to fuel pump, wiring issues, faulty fuel pump relay
P0233 Fuel Pump Secondary Circuit Intermittent Intermittent fuel pump operation, wiring issues, fuel pump relay problems
P0234 Engine Overboost Condition (Turbocharged Rangers) Turbo overboost, wastegate issues, boost control problems
P0235 Turbocharger Boost Sensor A Circuit Malfunction (Turbocharged Rangers) Faulty boost sensor, wiring issues
P0236 Turbocharger Boost Sensor A Circuit Range/Performance (Turbocharged Rangers) Boost leaks, faulty boost sensor, wiring problems
P0237 Turbocharger Boost Sensor A Circuit Low (Turbocharged Rangers) Boost sensor signal wire short to ground, faulty sensor, wiring issues
P0238 Turbocharger Boost Sensor A Circuit High (Turbocharged Rangers) Boost sensor signal wire short to voltage, faulty sensor, wiring issues
P0239 Turbocharger Boost Sensor B Malfunction (If applicable) (Turbocharged Rangers) Faulty boost sensor B, wiring issues
P0240 Turbocharger Boost Sensor B Circuit Range/Performance (If applicable) (Turbocharged Rangers) Boost leaks, faulty boost sensor B, wiring problems
P0241 Turbocharger Boost Sensor B Circuit Low (If applicable) (Turbocharged Rangers) Boost sensor B signal wire short to ground, faulty sensor, wiring issues
P0242 Turbocharger Boost Sensor B Circuit High (If applicable) (Turbocharged Rangers) Boost sensor B signal wire short to voltage, faulty sensor, wiring issues
P0243 Turbocharger Wastegate Solenoid A Malfunction (Turbocharged Rangers) Faulty wastegate solenoid, wiring issues
P0244 Turbocharger Wastegate Solenoid A Range/Performance (Turbocharged Rangers) Wastegate issues, solenoid problems, vacuum leaks
P0245 Turbocharger Wastegate Solenoid A Low (Turbocharged Rangers) Wastegate solenoid circuit short to ground, wiring issues
P0246 Turbocharger Wastegate Solenoid A High (Turbocharged Rangers) Wastegate solenoid circuit short to voltage, wiring issues
P0247 Turbocharger Wastegate Solenoid B Malfunction (If applicable) (Turbocharged Rangers) Faulty wastegate solenoid B, wiring issues
P0248 Turbocharger Wastegate Solenoid B Range/Performance (If applicable) (Turbocharged Rangers) Wastegate issues, solenoid B problems, vacuum leaks
P0249 Turbocharger Wastegate Solenoid B Low (If applicable) (Turbocharged Rangers) Wastegate solenoid B circuit short to ground, wiring issues
P0250 Turbocharger Wastegate Solenoid B High (If applicable) (Turbocharged Rangers) Wastegate solenoid B circuit short to voltage, wiring issues
P0251 Injection Pump Fuel Metering Control “A” Malfunction (Cam/Rotor/Injector) (Diesel Rangers) Injection pump issues, fuel metering problems, PCM failure
P0252 Injection Pump Fuel Metering Control “A” Range/Performance (Cam/Rotor/Injector) (Diesel Rangers) Injection pump calibration issues, fuel metering problems
P0253 Injection Pump Fuel Metering Control “A” Low (Cam/Rotor/Injector) (Diesel Rangers) Low fuel metering command, injection pump problems
P0254 Injection Pump Fuel Metering Control “A” High (Cam/Rotor/Injector) (Diesel Rangers) High fuel metering command, injection pump problems
P0255 Injection Pump Fuel Metering Control “A” Intermittent (Cam/Rotor/Injector) (Diesel Rangers) Intermittent fuel metering control, injection pump issues
P0256 Injection Pump Fuel Metering Control “B” Malfunction (Cam/Rotor/Injector) (If applicable) (Diesel Rangers) Injection pump issues, fuel metering problems, PCM failure
P0257 Injection Pump Fuel Metering Control “B” Range/Performance (Cam/Rotor/Injector) (If applicable) (Diesel Rangers) Injection pump calibration issues, fuel metering problems
P0258 Injection Pump Fuel Metering Control “B” Low (Cam/Rotor/Injector) (If applicable) (Diesel Rangers) Low fuel metering command, injection pump problems
P0259 Injection Pump Fuel Metering Control “B” High (Cam/Rotor/Injector) (If applicable) (Diesel Rangers) High fuel metering command, injection pump problems
P0260 Injection Pump Fuel Metering Control “B” Intermittent Injector) (If applicable) (Diesel Rangers) Intermittent fuel metering control, injection pump issues
P0261 Cylinder 1 Injector Circuit Low Injector cylinder 1 circuit short to ground, wiring issues
P0262 Cylinder 1 Injector Circuit High Injector cylinder 1 circuit short to voltage, wiring issues
P0263 Cylinder 1 Contribution/Balance Fault Injector cylinder 1 performance issue, injector blockage, compression problems
P0264 Cylinder 2 Injector Circuit Low Injector cylinder 2 circuit short to ground, wiring issues
P0265 Cylinder 2 Injector Circuit High Injector cylinder 2 circuit short to voltage, wiring issues
P0266 Cylinder 2 Contribution/Balance Fault Injector cylinder 2 performance issue, injector blockage, compression problems
P0267 Cylinder 3 Injector Circuit Low Injector cylinder 3 circuit short to ground, wiring issues
P0268 Cylinder 3 Injector Circuit High Injector cylinder 3 circuit short to voltage, wiring issues
P0269 Cylinder 3 Contribution/Balance Fault Injector cylinder 3 performance issue, injector blockage, compression problems
P0270 Cylinder 4 Injector Circuit Low Injector cylinder 4 circuit short to ground, wiring issues
P0271 Cylinder 4 Injector Circuit High Injector cylinder 4 circuit short to voltage, wiring issues
P0272 Cylinder 4 Contribution/Balance Fault Injector cylinder 4 performance issue, injector blockage, compression problems
P0273 Cylinder 5 Injector Circuit Low (If applicable) Injector cylinder 5 circuit short to ground, wiring issues
P0274 Cylinder 5 Injector Circuit High (If applicable) Injector cylinder 5 circuit short to voltage, wiring issues
P0275 Cylinder 5 Contribution/Balance Fault (If applicable) Injector cylinder 5 performance issue, injector blockage, compression problems
P0276 Cylinder 6 Injector Circuit Low (If applicable) Injector cylinder 6 circuit short to ground, wiring issues
P0277 Cylinder 6 Injector Circuit High (If applicable) Injector cylinder 6 circuit short to voltage, wiring issues
P0278 Cylinder 6 Contribution/Balance Fault (If applicable) Injector cylinder 6 performance issue, injector blockage, compression problems
P0279 Cylinder 7 Injector Circuit Low (If applicable) Injector cylinder 7 circuit short to ground, wiring issues
P0280 Cylinder 7 Injector Circuit High (If applicable) Injector cylinder 7 circuit short to voltage, wiring issues
P0281 Cylinder 7 Contribution/Balance Fault (If applicable) Injector cylinder 7 performance issue, injector blockage, compression problems
P0282 Cylinder 8 Injector Circuit Low (If applicable) Injector cylinder 8 circuit short to ground, wiring issues
P0283 Cylinder 8 Injector Circuit High (If applicable) Injector cylinder 8 circuit short to voltage, wiring issues
P0284 Cylinder 8 Contribution/Balance Fault (If applicable) Injector cylinder 8 performance issue, injector blockage, compression problems
P0285 Cylinder 9 Injector Circuit Low (If applicable) Injector cylinder 9 circuit short to ground, wiring issues
P0286 Cylinder 9 Injector Circuit High (If applicable) Injector cylinder 9 circuit short to voltage, wiring issues
P0287 Cylinder 9 Contribution/Balance Fault (If applicable) Injector cylinder 9 performance issue, injector blockage, compression problems
P0288 Cylinder 10 Injector Circuit Low (If applicable) Injector cylinder 10 circuit short to ground, wiring issues
P0289 Cylinder 10 Injector Circuit High (If applicable) Injector cylinder 10 circuit short to voltage, wiring issues
P0290 Cylinder 10 Contribution/Balance Fault (If applicable) Injector cylinder 10 performance issue, injector blockage, compression problems
P0291 Cylinder 11 Injector Circuit Low (If applicable) Injector cylinder 11 circuit short to ground, wiring issues
P0292 Cylinder 11 Injector Circuit High (If applicable) Injector cylinder 11 circuit short to voltage, wiring issues
P0293 Cylinder 11 Contribution/Balance Fault (If applicable) Injector cylinder 11 performance issue, injector blockage, compression problems
P0294 Cylinder 12 Injector Circuit Low (If applicable) Injector cylinder 12 circuit short to ground, wiring issues
P0295 Cylinder 12 Injector Circuit High (If applicable) Injector cylinder 12 circuit short to voltage, wiring issues
P0296 Cylinder 12 Contribution/Range Fault (If applicable) Injector cylinder 12 performance issue, injector blockage, compression problems

Troubleshooting P0200-P0299 codes: Start by checking the injector connectors and wiring for damage or loose connections. Use a multimeter to test injector resistance and circuit continuity. Injector cleaning or replacement may be necessary. For contribution/balance faults, consider cylinder compression testing to rule out mechanical engine problems.

Decoding Ford Ranger OBD2 Codes: P0300-P0399 – Ignition System or Misfire

Codes in the P0300-P0399 range indicate issues with the ignition system or engine misfires in your Ford Ranger. Misfires occur when one or more cylinders fail to combust fuel properly. This can lead to rough idling, loss of power, increased emissions, and potential damage to the catalytic converter.

Code Description Possible Issues
P0300 Random/Multiple Cylinder Misfire Detected Spark plug issues, ignition coil problems, vacuum leaks, fuel delivery problems, low compression
P0301 Cylinder 1 Misfire Detected Spark plug, ignition coil, injector issue cylinder 1, wiring problems, low compression
P0302 Cylinder 2 Misfire Detected Spark plug, ignition coil, injector issue cylinder 2, wiring problems, low compression
P0303 Cylinder 3 Misfire Detected Spark plug, ignition coil, injector issue cylinder 3, wiring problems, low compression
P0304 Cylinder 4 Misfire Detected Spark plug, ignition coil, injector issue cylinder 4, wiring problems, low compression
P0305 Cylinder 5 Misfire Detected (If applicable) Spark plug, ignition coil, injector issue cylinder 5, wiring problems, low compression
P0306 Cylinder 6 Misfire Detected (If applicable) Spark plug, ignition coil, injector issue cylinder 6, wiring problems, low compression
P0307 Cylinder 7 Misfire Detected (If applicable) Spark plug, ignition coil, injector issue cylinder 7, wiring problems, low compression
P0308 Cylinder 8 Misfire Detected (If applicable) Spark plug, ignition coil, injector issue cylinder 8, wiring problems, low compression
P0309 Cylinder 9 Misfire Detected (If applicable) Spark plug, ignition coil, injector issue cylinder 9, wiring problems, low compression
P0311 Cylinder 11 Misfire Detected (If applicable) Spark plug, ignition coil, injector issue cylinder 11, wiring problems, low compression
P0312 Cylinder 12 Misfire Detected (If applicable) Spark plug, ignition coil, injector issue cylinder 12, wiring problems, low compression
P0320 Ignition/Distributor Engine Speed Input Circuit Malfunction Faulty crankshaft position sensor, wiring issues, PCM failure, distributor issues (older Rangers)
P0321 Ignition/Distributor Engine Speed Input Circuit Range/Performance Crankshaft position sensor signal issues, wiring problems
P0322 Ignition/Distributor Engine Speed Input Circuit No Signal Faulty crankshaft position sensor, wiring issues, PCM failure
P0323 Ignition/Distributor Engine Speed Input Circuit Intermittent Intermittent crankshaft position sensor signal, wiring issues
P0325 Knock Sensor 1 Circuit Malfunction (Bank 1 or Single Sensor) Faulty knock sensor, wiring issues, PCM failure
P0326 Knock Sensor 1 Circuit Range/Performance (Bank 1 or Single Sensor) Faulty knock sensor, engine noise interference, wiring problems
P0327 Knock Sensor 1 Circuit Low Input (Bank 1 or Single Sensor) Knock sensor signal wire short to ground, faulty sensor, wiring issues
P0328 Knock Sensor 1 Circuit High Input (Bank 1 or Single Sensor) Knock sensor signal wire short to voltage, faulty sensor, wiring issues
P0329 Knock Sensor 1 Circuit Intermittent (Bank 1 or Single Sensor) Intermittent knock sensor signal, wiring issues
P0330 Knock Sensor 2 Circuit Malfunction (Bank 2) (If applicable) Faulty knock sensor bank 2, wiring issues, PCM failure
P0331 Knock Sensor 2 Circuit Range/Performance (Bank 2) (If applicable) Faulty knock sensor bank 2, engine noise interference, wiring problems
P0332 Knock Sensor 2 Circuit Low Input (Bank 2) (If applicable) Knock sensor bank 2 signal wire short to ground, faulty sensor, wiring issues
P0333 Knock Sensor 2 Circuit High Input (Bank 2) (If applicable) Knock sensor bank 2 signal wire short to voltage, faulty sensor, wiring issues
P0334 Knock Sensor 2 Circuit Intermittent (Bank 2) (If applicable) Intermittent knock sensor bank 2 signal, wiring issues
P0335 Crankshaft Position Sensor A Circuit Malfunction Faulty crankshaft position sensor, wiring issues, PCM failure
P0336 Crankshaft Position Sensor A Circuit Range/Performance Crankshaft position sensor signal issues, wiring problems
P0337 Crankshaft Position Sensor A Circuit Low Input Crankshaft position sensor signal wire short to ground, faulty sensor, wiring issues
P0338 Crankshaft Position Sensor A Circuit High Input Crankshaft position sensor signal wire short to voltage, faulty sensor, wiring issues
P0339 Crankshaft Position Sensor A Circuit Intermittent Intermittent crankshaft position sensor signal, wiring issues
P0340 Camshaft Position Sensor Circuit Malfunction Faulty camshaft position sensor, wiring issues, PCM failure
P0341 Camshaft Position Sensor Circuit Range/Performance Camshaft position sensor signal issues, timing issues, wiring problems
P0342 Camshaft Position Sensor Circuit Low Input Camshaft position sensor signal wire short to ground, faulty sensor, wiring issues
P0343 Camshaft Position Sensor Circuit High Input Camshaft position sensor signal wire short to voltage, faulty sensor, wiring issues
P0344 Camshaft Position Sensor Circuit Intermittent Intermittent camshaft position sensor signal, wiring issues
P0350 Ignition Coil Primary/Secondary Circuit Malfunction Faulty ignition coil, wiring issues, PCM failure
P0351 Ignition Coil A Primary/Secondary Circuit Malfunction Faulty ignition coil A, wiring issues, PCM failure
P0352 Ignition Coil B Primary/Secondary Circuit Malfunction Faulty ignition coil B, wiring issues, PCM failure
P0353 Ignition Coil C Primary/Secondary Circuit Malfunction Faulty ignition coil C, wiring issues, PCM failure
P0354 Ignition Coil D Primary/Secondary Circuit Malfunction Faulty ignition coil D, wiring issues, PCM failure
P0355 Ignition Coil E Primary/Secondary Circuit Malfunction (If applicable) Faulty ignition coil E, wiring issues, PCM failure
P0356 Ignition Coil F Primary/Secondary Circuit Malfunction (If applicable) Faulty ignition coil F, wiring issues, PCM failure
P0357 Ignition Coil G Primary/Secondary Circuit Malfunction (If applicable) Faulty ignition coil G, wiring issues, PCM failure
P0358 Ignition Coil H Primary/Secondary Circuit Malfunction (If applicable) Faulty ignition coil H, wiring issues, PCM failure
P0359 Ignition Coil I Primary/Secondary Circuit Malfunction (If applicable) Faulty ignition coil I, wiring issues, PCM failure
P0360 Ignition Coil J Primary/Secondary Circuit Malfunction (If applicable) Faulty ignition coil J, wiring issues, PCM failure
P0361 Ignition Coil K Primary/Secondary Circuit Malfunction (If applicable) Faulty ignition coil K, wiring issues, PCM failure
P0362 Ignition Coil L Primary/Secondary Circuit Malfunction (If applicable) Faulty ignition coil L, wiring issues, PCM failure
P0370 Timing Reference High Resolution Signal A Malfunction Timing chain/belt issues, crankshaft/camshaft sensor problems, PCM failure
P0371 Timing Reference High Resolution Signal A Too Many Pulses Timing chain/belt issues, sensor signal interference
P0372 Timing Reference High Resolution Signal A Too Few Pulses Timing chain/belt issues, sensor signal problems
P0373 Timing Reference High Resolution Signal A Intermittent/Erratic Pulses Intermittent timing signal, wiring issues, sensor problems
P0374 Timing Reference High Resolution Signal A No Pulses Timing chain/belt failure, sensor failure, wiring issues
P0375 Timing Reference High Resolution Signal B Malfunction (If applicable) Timing chain/belt issues, crankshaft/camshaft sensor problems, PCM failure
P0376 Timing Reference High Resolution Signal B Too Many Pulses (If applicable) Timing chain/belt issues, sensor signal interference
P0377 Timing Reference High Resolution Signal B Too Few Pulses (If applicable) Timing chain/belt issues, sensor signal problems
P0378 Timing Reference High Resolution Signal B Intermittent/Erratic Pulses (If applicable) Intermittent timing signal, wiring issues, sensor problems
P0379 Timing Reference High Resolution Signal B No Pulses (If applicable) Timing chain/belt failure, sensor failure, wiring issues
P0380 Glow Plug/Heater Circuit “A” Malfunction (Diesel Rangers) Faulty glow plug relay, glow plugs, wiring issues
P0381 Glow Plug/Heater Indicator Circuit Malfunction (Diesel Rangers) Glow plug indicator light circuit problem, wiring issues
P0382 Exhaust Gas Recirculation Flow Malfunction EGR system issues, valve stuck open/closed, wiring problems
P0385 Crankshaft Position Sensor B Circuit Malfunction (If applicable) Faulty crankshaft position sensor B, wiring issues, PCM failure
P0386 Crankshaft Position Sensor B Circuit Range/Performance (If applicable) Crankshaft position sensor B signal issues, wiring problems
P0387 Crankshaft Position Sensor B Circuit Low Input (If applicable) Crankshaft position sensor B signal wire short to ground, faulty sensor, wiring issues
P0388 Crankshaft Position Sensor B Circuit High Input (If applicable) Crankshaft position sensor B signal wire short to voltage, faulty sensor, wiring issues
P0389 Crankshaft Position Sensor B Circuit Intermittent (If applicable) Intermittent crankshaft position sensor B signal, wiring issues

Diagnosing P0300-P0399 codes: For misfire codes (P0300-P03xx), start with basic checks: spark plugs, ignition coils, and fuel injectors. Vacuum leaks can also cause misfires. Crankshaft and camshaft sensor codes (P0320-P0344) often indicate sensor failure or timing issues. For diesel Rangers with glow plug codes (P0380-P0381), inspect the glow plugs and relay.

Decoding Ford Ranger OBD2 Codes: P0400-P0499 – Auxiliary Emissions Controls

The P0400-P0499 series of OBD2 codes relates to auxiliary emissions control systems in your Ford Ranger. These systems are designed to reduce harmful pollutants released into the atmosphere. Issues within these systems can impact emissions levels and potentially affect engine performance.

Code Description Possible Issues
P0400 Exhaust Gas Recirculation Flow Malfunction EGR valve stuck open/closed, EGR system blockage, vacuum leaks, faulty EGR valve position sensor, wiring issues
P0401 Exhaust Gas Recirculation Flow Insufficient Detected EGR valve blockage, vacuum leaks, faulty EGR valve, restricted EGR passages
P0402 Exhaust Gas Recirculation Flow Excessive Detected EGR valve stuck open, faulty EGR valve position sensor, vacuum leaks
P0403 Exhaust Gas Recirculation Circuit Malfunction Faulty EGR valve solenoid, wiring issues, PCM failure
P0404 Exhaust Gas Recirculation Circuit Range/Performance EGR valve position sensor issues, EGR valve mechanical problems, wiring issues
P0405 Exhaust Gas Recirculation Sensor A Circuit Low EGR valve position sensor signal wire short to ground, faulty sensor, wiring issues
P0406 Exhaust Gas Recirculation Sensor A Circuit High EGR valve position sensor signal wire short to voltage, faulty sensor, wiring issues
P0407 Exhaust Gas Recirculation Sensor B Circuit Low (If applicable) EGR valve position sensor B signal wire short to ground, faulty sensor, wiring issues
P0408 Exhaust Gas Recirculation Sensor B Circuit High (If applicable) EGR valve position sensor B signal wire short to voltage, faulty sensor, wiring issues
P0410 Secondary Air Injection System Malfunction Faulty air pump, check valve issues, air injection system blockage, wiring problems, relay problems
P0411 Secondary Air Injection System Incorrect Flow Detected Air injection system blockage, vacuum leaks, faulty air pump, check valve issues
P0412 Secondary Air Injection System Switching Valve A Circuit Malfunction Faulty air injection switching valve solenoid, wiring issues, PCM failure
P0413 Secondary Air Injection System Switching Valve A Circuit Open Open circuit in air injection switching valve solenoid circuit, wiring issues
P0414 Secondary Air Injection System Switching Valve A Circuit Shorted Short circuit in air injection switching valve solenoid circuit, wiring issues
P0415 Secondary Air Injection System Switching Valve B Circuit Malfunction (If applicable) Faulty air injection switching valve solenoid B, wiring issues, PCM failure
P0416 Secondary Air Injection System Switching Valve B Circuit Open (If applicable) Open circuit in air injection switching valve solenoid B circuit, wiring issues
P0417 Secondary Air Injection System Switching Valve B Circuit Shorted (If applicable) Short circuit in air injection switching valve solenoid B circuit, wiring issues
P0418 Secondary Air Injection System Relay .A” Circuit Malfunction Faulty air injection system relay, wiring issues, PCM failure
P0419 Secondary Air Injection System Relay “B. Circuit Malfunction (If applicable) Faulty air injection system relay B, wiring issues, PCM failure
P0420 Catalyst System Efficiency Below Threshold (Bank 1) Failing catalytic converter, exhaust leaks, O2 sensor issues (especially downstream sensor), rich or lean running conditions
P0421 Warm Up Catalyst Efficiency Below Threshold (Bank 1) Failing warm-up catalytic converter, exhaust leaks, O2 sensor issues
P0422 Main Catalyst Efficiency Below Threshold (Bank 1) Failing main catalytic converter, exhaust leaks, O2 sensor issues
P0423 Heated Catalyst Efficiency Below Threshold (Bank 1) (If applicable) Failing heated catalytic converter, exhaust leaks, O2 sensor issues
P0424 Heated Catalyst Temperature Below Threshold (Bank 1) (If applicable) Faulty heated catalytic converter, temperature sensor issues, wiring problems
P0430 Catalyst System Efficiency Below Threshold (Bank 2) (If applicable) Failing catalytic converter bank 2, exhaust leaks, O2 sensor issues (especially downstream sensor bank 2), rich or lean running
P0431 Warm Up Catalyst Efficiency Below Threshold (Bank 2) (If applicable) Failing warm-up catalytic converter bank 2, exhaust leaks, O2 sensor issues
P0432 Main Catalyst Efficiency Below Threshold (Bank 2) (If applicable) Failing main catalytic converter bank 2, exhaust leaks, O2 sensor issues
P0433 Heated Catalyst Efficiency Below Threshold (Bank 2) (If applicable) (If applicable) Failing heated catalytic converter bank 2, exhaust leaks, O2 sensor issues
P0434 Heated Catalyst Temperature Below Threshold (Bank 2) (If applicable) (If applicable) Faulty heated catalytic converter bank 2, temperature sensor issues, wiring problems
P0440 Evaporative Emission Control System Malfunction EVAP system leaks, purge valve issues, vent valve problems, fuel cap loose/missing, charcoal canister problems, pressure sensor issues
P0441 Evaporative Emission Control System Incorrect Purge Flow Purge valve stuck open/closed, EVAP system leaks, vent valve issues, canister blockage
P0442 Evaporative Emission Control System Leak Detected (small leak) Small leak in EVAP system, fuel cap seal, hoses, canister, valves
P0443 Evaporative Emission Control System Purge Control Valve Circuit Faulty purge valve solenoid, wiring issues, PCM failure
P0444 Evaporative Emission Control System Purge Control Valve Circuit Open circuit in purge valve solenoid circuit, wiring issues
P0445 Evaporative Emission Control System Purge Control Valve Circuit Shorted Short circuit in purge valve solenoid circuit, wiring issues
P0446 Evaporative Emission Control System Vent Control Circuit Malfunction Faulty vent valve solenoid, wiring issues, PCM failure
P0447 Evaporative Emission Control System Vent Control Circuit Open Open circuit in vent valve solenoid circuit, wiring issues
P0448 Evaporative Emission Control System Vent Control Circuit Shorted Short circuit in vent valve solenoid circuit, wiring issues
P0449 Evaporative Emission Control System Vent Valve/Solenoid Circuit Malfunction Faulty vent valve solenoid, wiring issues, PCM failure
P0450 Evaporative Emission Control System Pressure Sensor Malfunction Faulty EVAP pressure sensor, wiring issues, PCM failure
P0451 Evaporative Emission Control System Pressure Sensor Range/Performance Faulty EVAP pressure sensor, EVAP system leaks, wiring issues
P0452 Evaporative Emission Control System Pressure Sensor Low Input EVAP pressure sensor signal wire short to ground, faulty sensor, EVAP leaks
P0453 Evaporative Emission Control System Pressure Sensor High Input EVAP pressure sensor signal wire short to voltage, faulty sensor, wiring issues
P0454 Evaporative Emission Control System Pressure Sensor Intermittent Intermittent EVAP pressure sensor signal, wiring issues
P0455 Evaporative Emission Control System Leak Detected (gross leak) Large leak in EVAP system, fuel cap missing/loose, damaged hoses, canister, valves
P0460 Fuel Level Sensor Circuit Malfunction Faulty fuel level sensor, wiring issues, instrument cluster problems, PCM failure
P0461 Fuel Level Sensor Circuit Range/Performance Faulty fuel level sensor, fuel level reading inaccuracies, wiring issues
P0462 Fuel Level Sensor Circuit Low Input Fuel level sensor signal wire short to ground, faulty sensor, wiring issues
P0463 Fuel Level Sensor Circuit High Input Fuel level sensor signal wire short to voltage, faulty sensor, wiring issues
P0464 Fuel Level Sensor Circuit Intermittent Intermittent fuel level sensor signal, wiring issues, fuel sloshing
P0465 Purge Flow Sensor Circuit Malfunction (If applicable) Faulty purge flow sensor, wiring issues, PCM failure
P0466 Purge Flow Sensor Circuit Range/Performance (If applicable) Faulty purge flow sensor, purge flow issues, wiring problems
P0467 Purge Flow Sensor Circuit Low Input (If applicable) Purge flow sensor signal wire short to ground, faulty sensor, wiring issues
P0468 Purge Flow Sensor Circuit High Input (If applicable) Purge flow sensor signal wire short to voltage, faulty sensor, wiring issues
P0469 Purge Flow Sensor Circuit Intermittent (If applicable) Intermittent purge flow sensor signal, wiring issues
P0470 Exhaust Pressure Sensor Malfunction (Diesel Rangers) Faulty exhaust pressure sensor, DPF issues, wiring problems, PCM failure
P0471 Exhaust Pressure Sensor Range/Performance (Diesel Rangers) Exhaust pressure sensor reading inaccuracies, DPF issues, exhaust leaks, wiring problems
P0472 Exhaust Pressure Sensor Low (Diesel Rangers) Low exhaust pressure reading (sensor malfunction or actual low pressure), faulty sensor, exhaust leaks
P0473 Exhaust Pressure Sensor High (Diesel Rangers) High exhaust pressure reading (DPF blockage or sensor malfunction), faulty sensor, DPF issues
P0474 Exhaust Pressure Sensor Intermittent (Diesel Rangers) Intermittent exhaust pressure sensor signal, wiring issues
P0475 Exhaust Pressure Control Valve Malfunction (Diesel Rangers) Faulty exhaust pressure control valve, wiring issues, PCM failure
P0476 Exhaust Pressure Control Valve Range/Performance (Diesel Rangers) Exhaust pressure control valve mechanical issues, wiring problems
P0477 Exhaust Pressure Control Valve Low (Diesel Rangers) Exhaust pressure control valve circuit short to ground, wiring issues
P0478 Exhaust Pressure Control Valve High (Diesel Rangers) Exhaust pressure control valve circuit short to voltage, wiring issues
P0479 Exhaust Pressure Control Valve Intermittent (Diesel Rangers) Intermittent exhaust pressure control valve operation, wiring issues
P0480 Cooling Fan 1 Control Circuit Malfunction Faulty cooling fan relay, wiring issues, cooling fan motor failure, PCM failure
P0481 Cooling Fan 2 Control Circuit Malfunction (If applicable) Faulty cooling fan relay 2, wiring issues, cooling fan motor 2 failure, PCM failure
P0482 Cooling Fan 3 Control Circuit Malfunction (If applicable) Faulty cooling fan relay 3, wiring issues, cooling fan motor 3 failure, PCM failure
P0483 Cooling Fan Rationality Check Malfunction Cooling fan not operating as expected, cooling system issues, sensor problems
P0484 Cooling Fan Circuit Over Current Excessive current draw in cooling fan circuit, short circuit, wiring issues, faulty fan motor
P0485 Cooling Fan Power/Ground Circuit Malfunction Power or ground circuit issue for cooling fan, wiring problems, relay problems

Addressing P0400-P0499 codes: EGR system codes (P0400-P0409) often require EGR valve cleaning or replacement. Secondary air injection system codes (P0410-P0419) may involve checking the air pump, valves, and hoses. Catalytic converter efficiency codes (P0420-P0434) could indicate a failing converter or upstream engine issues. EVAP system codes (P0440-P0455) are frequently caused by leaks, often starting with a loose fuel cap. Diesel Rangers might encounter exhaust pressure sensor and control valve codes (P0470-P0479) related to the DPF system. Cooling fan codes (P0480-P0485) point to fan motor, relay, or wiring problems.

Decoding Ford Ranger OBD2 Codes: P0500-P0599 – Vehicle Speed Controls and Idle Control System

The P0500-P0599 DTC range focuses on vehicle speed control and idle control systems in your Ford Ranger. These systems are vital for safe operation and smooth engine idling. Issues here can affect speedometer accuracy, cruise control function, and engine idle stability.

Code Description Possible Issues
P0500 Vehicle Speed Sensor Malfunction Faulty VSS, wiring issues, instrument cluster problems, PCM failure
P0501 Vehicle Speed Sensor Range/Performance VSS signal issues, tire size discrepancies, wiring problems
P0502 Vehicle Speed Sensor Low Input VSS signal wire short to ground, faulty sensor, wiring issues
P0503 Vehicle Speed Sensor Intermittent/Erratic/High Intermittent VSS signal, wiring issues, sensor problems, wheel speed sensor issues (if applicable)
P0505 Idle Control System Malfunction Faulty IAC valve, vacuum leaks, throttle body issues, wiring problems, PCM failure
P0506 Idle Control System RPM Lower Than Expected Vacuum leaks, IAC valve stuck closed, throttle body blockage
P0507 Idle Control System RPM Higher Than Expected Vacuum leaks, IAC valve stuck open, throttle body issues, PCM control problems
P0510 Closed Throttle Position Switch Malfunction Faulty closed throttle position switch, TPS issues, wiring problems
P0520 Engine Oil Pressure Sensor/Switch Circuit Malfunction Faulty oil pressure sensor/switch, low oil pressure, wiring issues, instrument cluster problems, PCM failure
P0521 Engine Oil Pressure Sensor/Switch Circuit Range/Performance Faulty oil pressure sensor/switch, oil pressure reading inaccuracies, wiring issues
P0522 Engine Oil Pressure Sensor/Switch Circuit Low Voltage Low oil pressure (genuinely low or sensor malfunction), faulty sensor, wiring issues
P0523 Engine Oil Pressure Sensor/Switch Circuit High Voltage High oil pressure (sensor malfunction), faulty sensor, wiring issues
P0530 A/C Refrigerant Pressure Sensor Circuit Malfunction Faulty A/C pressure sensor, low refrigerant, wiring issues, PCM failure
P0531 A/C Refrigerant Pressure Sensor Circuit Range/Performance A/C system pressure issues, faulty A/C pressure sensor, wiring problems
P0532 A/C Refrigerant Pressure Sensor Circuit Low Input Low refrigerant pressure (genuinely low or sensor malfunction), faulty sensor, wiring issues
P0533 A/C Refrigerant Pressure Sensor Circuit High Input High refrigerant pressure (system overcharge or sensor malfunction), faulty sensor, wiring issues
P0534 Air Conditioner Refrigerant Charge Loss Low refrigerant level, A/C system leaks
P0550 Power Steering Pressure Sensor Circuit Malfunction Faulty power steering pressure sensor, low power steering fluid, wiring issues, PCM failure
P0551 Power Steering Pressure Sensor Circuit Range/Performance Power steering pressure sensor reading inaccuracies, wiring issues, power steering system issues
P0552 Power Steering Pressure Sensor Circuit Low Input Low power steering pressure (genuinely low or sensor malfunction), faulty sensor, wiring issues
P0553 Power Steering Pressure Sensor Circuit High Input High power steering pressure (sensor malfunction), faulty sensor, wiring issues
P0554 Power Steering Pressure Sensor Circuit Intermittent Intermittent power steering pressure sensor signal, wiring issues
P0560 System Voltage Malfunction Battery voltage issues, alternator problems, wiring problems, PCM failure
P0561 System Voltage Unstable Fluctuating system voltage, alternator problems, battery issues, wiring issues
P0562 System Voltage Low Low battery voltage, alternator failure, parasitic drain, wiring issues
P0563 System Voltage High Overcharging alternator, voltage regulator problems, wiring issues
P0565 Cruise Control On Signal Malfunction Faulty cruise control on switch, wiring issues, PCM failure
P0566 Cruise Control Off Signal Malfunction Faulty cruise control off switch, wiring issues, PCM failure
P0567 Cruise Control Resume Signal Malfunction Faulty cruise control resume switch, wiring issues, PCM failure
P0568 Cruise Control Set Signal Malfunction Faulty cruise control set switch, wiring issues, PCM failure
P0569 Cruise Control Coast Signal Malfunction Faulty cruise control coast switch, wiring issues, PCM failure
P0570 Cruise Control Accel Signal Malfunction Faulty cruise control accel switch, wiring issues, PCM failure
P0571 Cruise Control/Brake Switch A Circuit Malfunction Faulty cruise control/brake switch, wiring issues, PCM failure
P0572 Cruise Control/Brake Switch A Circuit Low Cruise control/brake switch circuit short to ground, wiring issues
P0573 Cruise Control/Brake Switch A Circuit High Cruise control/brake switch circuit short to voltage, wiring issues
P0574 Cruise Control Related Malfunction General cruise control system problem, switch issues, wiring problems, PCM failure
P0575 Cruise Control Related Malfunction General cruise control system problem, switch issues, wiring problems, PCM failure
P0576 Cruise Control Related Malfunction General cruise control system problem, switch issues, wiring problems, PCM failure
P0577 Cruise Control Related Malfunction General cruise control system problem, switch issues, wiring problems, PCM failure
P0578 Cruise Control Related Malfunction General cruise control system problem, switch issues, wiring problems, PCM failure
P0579 Cruise Control Related Malfunction General cruise control system problem, switch issues, wiring problems, PCM failure
P0580 Cruise Control Related Malfunction General cruise control system problem, switch issues, wiring problems, PCM failure

Troubleshooting P0500-P0599 codes: Vehicle speed sensor codes (P0500-P0503) often point to a faulty VSS or wiring. Idle control system codes (P0505-P0507) may require IAC valve cleaning or replacement, and vacuum leak checks. System voltage codes (P0560-P0563) suggest battery or alternator issues. Cruise control codes (P0565-P0580) typically involve switch or wiring problems within the cruise control system.

Decoding Ford Ranger OBD2 Codes: P0600-P0699 – Computer Output Circuit

The P0600-P0699 range of OBD2 codes indicates problems within the computer output circuit of your Ford Ranger’s Powertrain Control Module (PCM). These codes often signal internal PCM malfunctions or issues with circuits controlled by the PCM. These can be serious and may require professional diagnosis and repair.

Code Description Possible Issues
P0600 Serial Communication Link Malfunction CAN bus communication problems, wiring issues, PCM failure, other module failures
P0601 Internal Control Module Memory Check Sum Error PCM internal memory error, PCM failure
P0602 Control Module Programming Error PCM programming issue, incorrect PCM software, PCM replacement needed
P0603 Internal Control Module Keep Alive Memory (KAM) Error PCM KAM error, battery voltage issues, PCM failure
P0604 Internal Control Module Random Access Memory (RAM) Error PCM internal RAM error, PCM failure
P0605 Internal Control Module Read Only Memory (ROM) Error PCM internal ROM error, PCM failure
P0606 PCM Processor Fault PCM internal processor failure, PCM replacement needed
P0608 Control Module VSS Output “A” Malfunction PCM VSS output circuit issue, wiring problems, instrument cluster problems
P0609 Control Module VSS Output “B” Malfunction (If applicable) PCM VSS output circuit B issue, wiring problems, instrument cluster problems
P0620 Generator Control Circuit Malfunction Faulty alternator regulator circuit, wiring issues, PCM failure
P0621 Generator Lamp “L” Control Circuit Malfunction Alternator warning light circuit issue, wiring problems, instrument cluster problems, PCM failure
P0622 Generator Field “F” Control Circuit Malfunction Alternator field control circuit issue, wiring issues, alternator failure, PCM failure
P0650 Malfunction Indicator Lamp (MIL) Control Circuit Malfunction Check engine light circuit issue, wiring problems, instrument cluster problems, PCM failure
P0654 Engine RPM Output Circuit Malfunction Tachometer circuit issue, wiring problems, instrument cluster problems, PCM failure
P0655 Engine Hot Lamp Output Control Circuit Malfunction Engine overheat warning light circuit issue, wiring problems, instrument cluster problems, PCM failure
P0656 Fuel Level Output Circuit Malfunction Fuel gauge circuit issue, wiring problems, instrument cluster problems, PCM failure

Interpreting P0600-P0699 codes: These codes often suggest a problem with the PCM itself. Wiring and communication issues should be ruled out, but PCM failure or programming problems are common causes. Professional diagnosis is generally recommended for these codes.

Decoding Ford Ranger OBD2 Codes: P0700-P0899 – Transmission

The P0700-P0899 range of OBD2 codes pertains to the transmission system in your Ford Ranger. These codes can indicate issues ranging from sensor malfunctions to serious mechanical problems within the transmission. Transmission problems can lead to shifting issues, slipping, and potential damage to the transmission if not addressed.

Code Description Possible Issues
P0700 Transmission Control System Malfunction General transmission problem, TCM fault, wiring issues
P0701 Transmission Control System Range/Performance Transmission performance issues, sensor problems, internal mechanical problems
P0702 Transmission Control System Electrical Electrical problem within the transmission control system, wiring issues, sensor faults
P0703 Torque Converter/Brake Switch B Circuit Malfunction Faulty brake switch, wiring issues, torque converter clutch control problems
P0704 Clutch Switch Input Circuit Malfunction (Manual Transmission Rangers) Faulty clutch switch, wiring issues, PCM failure
P0705 Transmission Range Sensor Circuit malfunction (PRNDL Input) Faulty transmission range sensor (TRS), misadjusted TRS, wiring issues, PCM failure
P0706 Transmission Range Sensor Circuit Range/Performance TRS signal issues, misadjusted TRS, wiring problems
P0707 Transmission Range Sensor Circuit Low Input TRS signal wire short to ground, faulty sensor, wiring issues
P0708 Transmission Range Sensor Circuit High Input TRS signal wire short to voltage, faulty sensor, wiring issues
P0709 Transmission Range Sensor Circuit Intermittent Intermittent TRS signal, wiring issues, TRS adjustment problems
P0710 Transmission Fluid Temperature Sensor Circuit Malfunction Faulty TFT sensor, low transmission fluid, wiring issues, PCM failure
P0711 Transmission Fluid Temperature Sensor Circuit Range/Performance TFT sensor reading inaccuracies, low transmission fluid, faulty sensor, wiring issues
P0712 Transmission Fluid Temperature Sensor Circuit Low Input Low transmission fluid temperature (genuinely low or sensor malfunction), faulty sensor, wiring issues
P0713 Transmission Fluid Temperature Sensor Circuit High Input High transmission fluid temperature (overheating or sensor malfunction), faulty sensor, wiring issues
P0714 Transmission Fluid Temperature Sensor Circuit Intermittent Intermittent TFT sensor signal, transmission fluid temperature fluctuations, wiring issues
P0715 Input/Turbine Speed Sensor Circuit Malfunction Faulty input speed sensor (ISS), wiring issues, PCM failure
P0716 Input/Turbine Speed Sensor Circuit Range/Performance ISS signal issues, faulty sensor, wiring problems
P0717 Input/Turbine Speed Sensor Circuit No Signal Faulty ISS, wiring issues, PCM failure
P0718 Input/Turbine Speed Sensor Circuit Intermittent Intermittent ISS signal, wiring issues, sensor problems
P0719 Torque Converter/Brake Switch B Circuit Low Brake switch circuit short to ground, wiring issues, torque converter clutch control problems
P0720 Output Speed Sensor Circuit Malfunction Faulty output speed sensor (OSS), wiring issues, PCM failure
P0721 Output Speed Sensor Range/Performance OSS signal issues, faulty sensor, wiring problems
P0722 Output Speed Sensor No Signal Faulty OSS, wiring issues, PCM failure
P0723 Output Speed Sensor Intermittent Intermittent OSS signal, wiring issues, sensor problems
P0724 Torque Converter/Brake Switch B Circuit High Brake switch circuit short to voltage, wiring issues, torque converter clutch control problems
P0725 Engine Speed input Circuit Malfunction Faulty engine speed input signal to TCM, wiring issues, PCM/TCM communication problems
P0726 Engine Speed Input Circuit Range/Performance Engine speed input signal issues, wiring problems
P0727 Engine Speed Input Circuit No Signal No engine speed input signal to TCM, wiring issues, PCM/TCM communication problems
P0728 Engine Speed Input Circuit Intermittent Intermittent engine speed input signal, wiring issues
P0730 Incorrect Gear Ratio Transmission slipping, internal mechanical problems, sensor issues, valve body problems
P0731 Gear 1 Incorrect ratio Gear 1 slipping, internal mechanical problems, shift solenoid issues, valve body problems
P0732 Gear 2 Incorrect ratio Gear 2 slipping, internal mechanical problems, shift solenoid issues, valve body problems
P0733 Gear 3 Incorrect ratio Gear 3 slipping, internal mechanical problems, shift solenoid issues, valve body problems
P0734 Gear 4 Incorrect ratio Gear 4 slipping, internal mechanical problems, shift solenoid issues, valve body problems
P0735 Gear 5 Incorrect ratio (If applicable) Gear 5 slipping, internal mechanical problems, shift solenoid issues, valve body problems
P0736 Reverse incorrect gear ratio Reverse gear slipping, internal mechanical problems, shift solenoid issues, valve body problems
P0740 Torque Converter Clutch Circuit Malfunction Faulty torque converter clutch solenoid, wiring issues, PCM/TCM failure
P0741 Torque Converter Clutch Circuit Performance or Stuck Off Torque converter clutch not engaging properly, solenoid issues, valve body problems, internal transmission problems
P0742 Torque Converter Clutch Circuit Stock On Torque converter clutch stuck engaged, solenoid issues, valve body problems
P0743 Torque Converter Clutch Circuit Electrical Electrical problem in torque converter clutch circuit, wiring issues, solenoid problems
P0744 Torque Converter Clutch Circuit Intermittent Intermittent torque converter clutch operation, wiring issues, solenoid problems
P0745 Pressure Control Solenoid Malfunction Faulty pressure control solenoid, wiring issues, valve body problems, PCM/TCM failure
P0746 Pressure Control Solenoid Performance or Stuck Off Pressure control solenoid not regulating pressure properly, solenoid issues, valve body problems
P0747 Pressure Control Solenoid Stuck On Pressure control solenoid stuck in high pressure position, solenoid issues, valve body problems
P0748 Pressure Control Solenoid Electrical Electrical problem in pressure control solenoid circuit, wiring issues, solenoid problems
P0749 Pressure Control Solenoid Intermittent Intermittent pressure control solenoid operation, wiring issues, solenoid problems
P0750 Shift Solenoid A Malfunction Faulty shift solenoid A, wiring issues, valve body problems, PCM/TCM failure
P0751 Shift Solenoid A Performance or Stuck Off Shift solenoid A not operating correctly, shift issues, solenoid problems, valve body problems
P0752 Shift Solenoid A Stuck On Shift solenoid A stuck in activated position, shift issues, solenoid problems, valve body problems
P0753 Shift Solenoid A Electrical Electrical problem in shift solenoid A circuit, wiring issues, solenoid problems
P0754 Shift Solenoid A Intermittent Intermittent shift solenoid A operation, wiring issues, solenoid problems
P0755 Shift Solenoid B Malfunction Faulty shift solenoid B, wiring issues, valve body problems, PCM/TCM failure
P0756 Shift Solenoid B Performance or Stock Off Shift solenoid B not operating correctly, shift issues, solenoid problems, valve body problems
P0757 Shift Solenoid B Stuck On Shift solenoid B stuck in activated position, shift issues, solenoid problems, valve body problems
P0758 Shift Solenoid B Electrical Electrical problem in shift solenoid B circuit, wiring issues, solenoid problems
P0759 Shift Solenoid B Intermittent Intermittent shift solenoid B operation, wiring issues, solenoid problems
P0760 Shift Solenoid C Malfunction Faulty shift solenoid C, wiring issues, valve body problems, PCM/TCM failure
P0761 Shift Solenoid C Performance or Stuck Off Shift solenoid C not operating correctly, shift issues, solenoid problems, valve body problems
P0762 Shift Solenoid C Stuck On Shift solenoid C stuck in activated position, shift issues, solenoid problems, valve body problems
P0763 Shift Solenoid C Electrical Electrical problem in shift solenoid C circuit, wiring issues, solenoid problems
P0764 Shift Solenoid C Intermittent Intermittent shift solenoid C operation, wiring issues, solenoid problems
P0765 Shift Solenoid D Malfunction (If applicable) Faulty shift solenoid D, wiring issues, valve body problems, PCM/TCM failure
P0766 Shift Solenoid D Performance or Stuck Off (If applicable) Shift solenoid D not operating correctly, shift issues, solenoid problems, valve body problems
P0767 Shift Solenoid D Stuck On (If applicable) Shift solenoid D stuck in activated position, shift issues, solenoid problems, valve body problems
P0768 Shift Solenoid D Electrical (If applicable) Electrical problem in shift solenoid D circuit, wiring issues, solenoid problems
P0769 Shift Solenoid D Intermittent (If applicable) Intermittent shift solenoid D operation, wiring issues, solenoid problems
P0770 Shift Solenoid E Malfunction (If applicable) Faulty shift solenoid E, wiring issues, valve body problems, PCM/TCM failure
P0771 Shift Solenoid E Performance or Stuck Off (If applicable) Shift solenoid E not operating correctly, shift issues, solenoid problems, valve body problems
P0772 Shift Solenoid E Stuck On (If applicable) Shift solenoid E stuck in activated position, shift issues, solenoid problems, valve body problems
P0773 Shift Solenoid E Electrical (If applicable) Electrical problem in shift solenoid E circuit, wiring issues, solenoid problems
P0774 Shift Solenoid E Intermittent (If applicable) Intermittent shift solenoid E operation, wiring issues, solenoid problems
P0780 Shift Malfunction General transmission shift problem, internal mechanical issues, solenoid problems, valve body problems
P0781 1-2 Shift Malfunction 1-2 shift problem, shift solenoid issues, valve body problems, internal transmission problems
P0782 2-3 Shift Malfunction 2-3 shift problem, shift solenoid issues, valve body problems, internal transmission problems
P0783 3-4 Shift Malfunction 3-4 shift problem, shift solenoid issues, valve body problems, internal transmission problems
P0784 4-5 Shift Malfunction (If applicable) 4-5 shift problem, shift solenoid issues, valve body problems, internal transmission problems
P0785 Shift/Timing Solenoid Malfunction Faulty shift/timing solenoid, wiring issues, valve body problems, PCM/TCM failure
P0786 Shift/Timing Solenoid Range/Performance Shift/timing solenoid performance issues, solenoid problems, valve body problems
P0787 Shift/Timing Solenoid Low Shift/timing solenoid circuit short to ground, wiring issues
P0788 Shift/Timing Solenoid High Shift/timing solenoid circuit short to voltage, wiring issues
P0789 Shift/Timing Solenoid Intermittent Intermittent shift/timing solenoid operation, wiring issues, solenoid problems
P0790 Normal/Performance Switch Circuit Malfunction Faulty normal/performance mode switch, wiring issues, PCM/TCM failure
P0801 Reverse Inhibit Control Circuit Malfunction (Manual Transmission Rangers) Reverse inhibit solenoid/circuit problem, wiring issues, PCM/TCM failure
P0803 1-4 Upshift (Skip Shift) Solenoid Control Circuit Malfunction (Manual Transmission Rangers) Skip shift solenoid/circuit problem, wiring issues, PCM/TCM failure
P0804 1-4 Upshift (Skip Shift) Lamp Control Circuit Malfunction (Manual Transmission Rangers) Skip shift indicator lamp circuit problem, wiring issues, instrument cluster problems, PCM/TCM failure

Diagnosing P0700-P0899 codes: Transmission codes often require specialized diagnostic tools and knowledge. Start by checking transmission fluid level and condition. Sensor codes (TFT, ISS, OSS, TRS) may indicate faulty sensors or wiring. Shift solenoid and torque converter clutch codes can point to solenoid failure, valve body issues, or internal transmission problems. Incorrect gear ratio codes suggest slipping or mechanical damage.

Decoding Ford Ranger OBD2 Codes: P1000-P1999 – Ford Specific Codes

The P1000-P1999 range of OBD2 codes are Ford-specific codes. These codes are manufacturer-defined and may not be found in generic OBD2 code lists. They often provide more detailed information about issues specific to Ford vehicles, including the Ford Ranger. While a generic OBD2 scanner can read these codes, understanding them fully may require Ford-specific diagnostic tools or resources.

Code Description Possible Issues
P1000 OBD-II Monitor Testing Incomplete Drive cycle not completed, recent code clearing, monitors not ready for testing
P1001 KOER Test Cannot Be Completed KOER test interrupted or failed, underlying issues preventing test completion
P1039 Vehicle Speed Signal Missing or Improper Vehicle speed sensor signal problems, wiring issues, PCM/ABS module communication problems
P1051 Brake Switch Signal Missing or Improper Brake switch signal issues, wiring problems, PCM/ABS module communication problems
P1100 Mass Air Flow Sensor Intermittent Intermittent MAF sensor signal, wiring issues, sensor problems
P1101 Mass Air Flow Sensor out of Self-Test? Range MAF sensor reading out of expected range during self-test, faulty sensor, air leaks
P1105 Dual Alternator Upper Fault (If applicable) Dual alternator system problem, upper alternator fault, wiring issues
P1106 Dual Alternator Lower Fault/ Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent High Voltage (If applicable) Dual alternator system problem, lower alternator fault, MAP sensor intermittent high voltage, wiring issues
P1107 Dual Alternator Lower Circuit Malfunction/ Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent Low Voltage (If applicable) Dual alternator system problem, lower alternator circuit malfunction, MAP sensor intermittent low voltage, wiring issues
P1108 Dual Alternator Battery Lamp Circuit Malfunction (If applicable) Dual alternator battery warning lamp circuit problem, wiring issues, instrument cluster problems
P1109 IAT – B Sensor Intermittent (If applicable) Intermittent IAT sensor B signal, wiring issues, sensor problems
P1111 System Pass No faults detected during system self-test
P1112 Intake Air Temperature Sensor Intermittent Intermittent IAT sensor signal, wiring issues, sensor problems
P1114 Engine Coolant Temperature (ECT) Sensor Circuit Intermittent Low Voltage/IAT – B Circuit Low Input ECT sensor intermittent low voltage, IAT sensor B low input, wiring issues, sensor problems
P1115 Engine Coolant Temperature (ECT) Sensor Circuit Intermittent High Voltage/IAT – B Circuit High Input ECT sensor intermittent high voltage, IAT sensor B high input, wiring issues, sensor problems
P1116 Engine Coolant Temperature Sensor is out of Self-Test? Range ECT sensor reading out of expected range during self-test, faulty sensor, cooling system issues
P1117 Engine Coolant Temperature Sensor Intermittent Intermittent ECT sensor signal, wiring issues, sensor problems
P1120 Throttle Position Sensor out of range TPS reading out of expected range, misadjusted TPS, throttle body issues, wiring problems
P1121 Throttle Position Sensor Inconsistent with Mass Air Flow Sensor TPS and MAF sensor readings inconsistent, vacuum leaks, sensor problems, throttle body issues
P1124 Throttle Position Sensor out of Self-Test? Range TPS reading out of expected range during self-test, faulty sensor, throttle body issues
P1125 Throttle Position Sensor Intermittent Intermittent TPS signal, wiring issues, sensor problems
P1126 Heated Oxygen Sensor Heater not on During KOER Test O2 sensor heater not activating during KOER test, faulty O2 sensor, wiring issues
P1127 Exhaust Not Warm Enough – Downstream O2 Sensor Not Tested Exhaust not reaching sufficient temperature for downstream O2 sensor test, exhaust leaks, engine running too cool
P1128 Heated Oxygen Sensor Signals reversed O2 sensor signals swapped, incorrect sensor installation, wiring issues
P1129 Heated Oxygen Sensor Signals reversed O2 sensor signals swapped, incorrect sensor installation, wiring issues
P1130 Lack of Upstream Heated Oxygen Sensor Switch – Adaptive Fuel Limit – Bank No. 1 Upstream O2 sensor not switching properly, lean/rich fuel trim issues, vacuum leaks, sensor problems
P1131 Lack of Upstream Heated Oxygen Sensor Switch – Sensor Indicates Lean – Bank No. 1 Upstream O2 sensor indicating lean condition, vacuum leaks, MAF sensor issues, fuel delivery problems, exhaust leaks
P1132 Lack of Upstream Heated Oxygen Sensor Switch – Sensor Indicates Rich – Bank No. 1 Upstream O2 sensor indicating rich condition, high fuel pressure, injector leaks, MAF sensor problems, restricted air filter
P1133 Bank 1 Fuel Control Shifted Lean Fuel trim shifted lean on bank 1, vacuum leaks, MAF sensor issues, fuel delivery problems, exhaust leaks
P1134 Bank 1 Fuel Control Shifted Rich Fuel trim shifted rich on bank 1, high fuel pressure, injector leaks, MAF sensor problems, restricted air filter
P1135 Pedal Position Sensor A Circuit Intermittent Intermittent pedal position sensor A signal, wiring issues, sensor problems
P1136 Ignition Switch Signal Missing or Improper Ignition switch signal problems, wiring issues, PCM failure
P1137 Lack of Downstream Heated Oxygen Sensor Switch – Sensor Indicates Lean – Bank No. 1 Downstream O2 sensor indicating lean condition, exhaust leaks, catalytic converter issues, sensor problems
P1138 Lack of Downstream Heated Oxygen Sensor Switch – Sensor Indicates Rich – Bank No. 1 Downstream O2 sensor indicating rich condition, catalytic converter issues, sensor problems
P1139 Water In Fuel Indicator Circuit Malfunction Water in fuel indicator light circuit problem, wiring issues, sensor problems
P1140 Water In Fuel Condition Water detected in fuel, contaminated fuel, fuel system issues
P1141 Fuel Restriction Indicator Circuit Malfunction Fuel restriction indicator light circuit problem, fuel filter blockage, wiring issues
P1142 Fuel Restriction Condition Fuel filter blockage, fuel line restriction, fuel system issues
P1150 Lack of Upstream Heated Oxygen Sensor Switch – Adaptive Fuel Limit – Bank No. 2 Upstream O2 sensor bank 2 not switching properly, lean/rich fuel trim issues, vacuum leaks, sensor problems
P1151 Lack of Upstream Heated Oxygen Sensor Switch – Sensor Indicates Lean – Bank No. 2 Upstream O2 sensor bank 2 indicating lean condition, vacuum leaks, MAF sensor issues, fuel delivery problems, exhaust leaks
P1152 Lack of Upstream Heated Oxygen Sensor Switch – Sensor Indicates Rich – Bank No. 2 Upstream O2 sensor bank 2 indicating rich condition, high fuel pressure, injector leaks, MAF sensor problems, restricted air filter
P1153 Bank 2 Fuel Control Shifted Lean Fuel trim shifted lean on bank 2, vacuum leaks, MAF sensor issues, fuel delivery problems, exhaust leaks
P1154 Bank 2 Fuel Control Shifted Rich Fuel trim shifted rich on bank 2, high fuel pressure, injector leaks, MAF sensor problems, restricted air filter
P1155 Alternative Fuel Controller (If applicable) Alternative fuel system controller problem, system malfunction
P1157 Lack of Downstream Heated Oxygen Sensor Switch – Sensor Indicates Lean – Bank No. 2 Downstream O2 sensor bank 2 indicating lean condition, exhaust leaks, catalytic converter issues, sensor problems
P1158 Lack of Downstream Heated Oxygen Sensor Switch – Sensor Indicates Rich – Bank No. 2 Downstream O2 sensor bank 2 indicating rich condition, catalytic converter issues, sensor problems
P1169 Fuel Rail Sensor In-Range High Failure Fuel rail pressure sensor reading high, fuel pressure regulator issues, sensor problems
P1170 ESO – Engine Shut Off Solenoid Fault (Diesel Rangers) Engine shutoff solenoid problem, wiring issues
P1171 Rotor Sensor Fault (Diesel Rangers) Injection pump rotor sensor fault, injection pump problems
P1172 Rotor Control Fault (Diesel Rangers) Injection pump rotor control fault, injection pump problems
P1173 Rotor Calibration Fault (Diesel Rangers) Injection pump rotor calibration fault, injection pump problems
P1174 Cam Sensor Fault (Diesel Rangers) Camshaft position sensor fault, sensor problems, wiring issues
P1175 Cam Control Fault (Diesel Rangers) Camshaft timing control fault, VCT system issues, timing problems
P1176 Cam Calibration Fault (Diesel Rangers) Camshaft timing calibration fault, VCT system issues, timing problems
P1177 Synchronization Fault (Diesel Rangers) Crankshaft/camshaft synchronization fault, timing issues, sensor problems
P1180 Fuel Delivery System Malfunction – Low Low fuel pressure, fuel pump issues, fuel filter blockage, fuel line restriction
P1181 Fuel Delivery System Malfunction – High High fuel pressure, fuel pressure regulator problems, fuel injector issues
P1183 Engine Oil Temperature Circuit Malfunction Faulty engine oil temperature sensor, wiring issues, sensor problems
P1184 Engine Oil Temperature Out Of Self Test Range Engine oil temperature sensor reading out of expected range during self-test, faulty sensor, engine temperature issues
P1185 FTS High – Fuel Pump Temperature Sensor High Fuel pump temperature sensor reading high, fuel pump overheating, sensor problems
P1186 FTS Low – Fuel Pump Temperature Sensor Low Fuel pump temperature sensor reading low, sensor problems, wiring issues
P1187 Variant Selection PCM variant selection issue, incorrect PCM programming
P1188 Calibration Memory Fault PCM calibration memory error, PCM failure, programming issues
P1189 Pump Speed Signal Fault (Diesel Rangers) Injection pump speed signal fault, injection pump problems, sensor issues
P1190 Calibration Resistor Out Of Range PCM calibration resistor out of range, PCM failure, programming issues
P1191 Key Line Voltage Low voltage on key line circuit, ignition switch issues, wiring problems
P1192 Voltage External External voltage issue, voltage supply problem to PCM, wiring issues
P1193 EGR Drive Overcurrent EGR valve driver circuit overcurrent, EGR valve solenoid short, wiring issues, PCM failure
P1194 ECU A/D Converter PCM analog-to-digital converter fault, PCM internal failure
P1195 SCP HBCC Failed To Initialize SCP communication protocol initialization failure, network communication problems, PCM/module issues
P1196 Key Off Voltage High High voltage on key off circuit, wiring issues, PCM failure
P1197 Key Off Voltage Low Low voltage on key off circuit, wiring issues, PCM failure
P1198 Pump Rotor Control Underfueling (Diesel Rangers) Injection pump rotor control underfueling, injection pump problems
P1209 Injector Control Pressure System Fault (Diesel Rangers) High pressure oil system issue, ICP sensor problems, IPR valve problems, oil leaks
P1210 Injector Control Pressure Above Expected Level (Diesel Rangers) High injection control pressure, IPR valve stuck closed, ICP sensor issues
P1211 Injector Control Pressure Sensor Above / Below Desired (Diesel Rangers) Injection control pressure deviation, IPR valve problems, ICP sensor issues, high/low pressure issues
P1212 Injector Control Pressure Not Detected During Crank (Diesel Rangers) No injection control pressure during cranking, ICP sensor failure, high pressure oil system leaks, IPR valve problems
P1213 Start Injector Circuit Malfunction (If applicable) Cold start injector circuit problem, wiring issues
P1214 Pedal Position Sensor B Circuit Intermittent Intermittent pedal position sensor B signal, wiring issues, sensor problems
P1215 Pedal Position Sensor C Circuit Low Input Pedal position sensor C signal wire short to ground, faulty sensor, wiring issues
P1216 Pedal Position Sensor C Circuit High Input Pedal position sensor C signal wire short to voltage, faulty sensor, wiring issues
P1217 Pedal Position Sensor C Circuit Intermittent Intermittent pedal position sensor C signal, wiring issues, sensor problems
P1218 CID High Cylinder identification high signal, sensor problems, wiring issues
P1219 CID Low Cylinder identification low signal, sensor problems, wiring issues
P1220 Series Throttle Control Fault Electronic throttle control system fault, throttle body issues, PCM failure
P1221 Traction Control System Malfunction Traction control system problem, ABS/TCS module issues, sensor problems
P1222 Traction Control Output Circuit Malfunction Traction control output circuit problem, ABS/TCS module issues, wiring issues
P1223 Pedal Demand Sensor B Circuit High Input Pedal demand sensor B signal wire short to voltage, faulty sensor, wiring issues
P1224 Throttle Position Sensor B out of Self-Test? Range TPS sensor B reading out of expected range during self-test, faulty sensor, throttle body issues
P1230 Open Power to Fuel Pump circuit Open circuit in fuel pump power supply, wiring issues, fuel pump relay problems
P1231 High Speed Fuel Pump Relay activated Fuel pump high speed relay activated unexpectedly, fuel pump control issues, wiring problems
P1232 Low Speed Fuel Pump Primary circuit failure Low speed fuel pump circuit failure, wiring issues, fuel pump relay problems
P1233 Fuel Pump Driver Module off-line Fuel pump driver module communication loss, module failure, wiring issues, PCM communication problems
P1234 Fuel Pump Driver Module off-line Fuel pump driver module communication loss, module failure, wiring issues, PCM communication problems
P1235 Fuel Pump Control out of range Fuel pump control signal out of expected range, fuel pump driver module issues, PCM control problems
P1236 Fuel Pump Control out of range Fuel pump control signal out of expected range, fuel pump driver module issues, PCM control problems
P1237 Fuel Pump Secondary circuit fault Fuel pump secondary circuit problem, wiring issues, fuel pump relay problems
P1238 Fuel Pump Secondary circuit fault Fuel pump secondary circuit problem, wiring issues, fuel pump relay problems
P1239 Speed Fuel Pump Positive Feed Fault Fuel pump positive feed circuit problem, wiring issues, power supply issues
P1243 Second Fuel Pump Faulty or Ground Fault (If applicable) Secondary fuel pump fault, wiring issues, fuel pump failure
P1244 Alternator Load Input Failed High Alternator load input signal high, alternator control problems, wiring issues
P1245 Alternator Load Input Failed Low Alternator load input signal low, alternator control problems, wiring issues
P1246 Alternator Load Input Failed Alternator load input signal problem, alternator control problems, wiring issues
P1247 Turbo Boost Pressure Low (Turbocharged Rangers) Low turbo boost pressure, boost leaks, turbocharger issues, wastegate problems
P1248 Turbo Boost Pressure Not Detected (Turbocharged Rangers) No turbo boost pressure detected, boost sensor failure, turbocharger issues, boost leaks
P1249 Wastegate Control Valve Performance (Turbocharged Rangers) Wastegate control valve performance issue, wastegate problems, boost control issues
P1250 Lack of Power to FPRC Solenoid Fuel pressure regulator control solenoid power supply issue, wiring issues, solenoid problems
P1252 Pedal Correlation PDS1 and LPDS High Pedal position sensor correlation issue, PDS1 and LPDS readings inconsistent, sensor problems
P1253 Pedal Correlation PDS1 and LPDS Low Pedal position sensor correlation issue, PDS1 and LPDS readings inconsistent, sensor problems
P1254 Pedal Correlation PDS2 and LPDS High Pedal position sensor correlation issue, PDS2 and LPDS readings inconsistent, sensor problems
P1255 Pedal Correlation PDS2 and LPDS Low Pedal position sensor correlation issue, PDS2 and LPDS readings inconsistent, sensor problems
P1256 Pedal Correlation PDS1 and HPDS Pedal position sensor correlation issue, PDS1 and HPDS readings inconsistent, sensor problems
P1257 Pedal Correlation PDS2 and HPDS Pedal position sensor correlation issue, PDS2 and HPDS readings inconsistent, sensor problems
P1258 Pedal Correlation PDS1 and PDS2 Pedal position sensor correlation issue, PDS1 and PDS2 readings inconsistent, sensor problems
P1260 Theft Detected – Engine Disabled Anti-theft system activated, engine disabled, PATS system issues
P1261 Cylinder #1 High To Low Side Short Injector cylinder 1 high to low side short circuit, wiring issues, injector driver problems
P1262 Cylinder #2 High To Low Side Short Injector cylinder 2 high to low side short circuit, wiring issues, injector driver problems
P1263 Cylinder #3 High To Low Side Short Injector cylinder 3 high to low side short circuit, wiring issues, injector driver problems
P1264 Cylinder #4 High To Low Side Short Injector cylinder 4 high to low side short circuit, wiring issues, injector driver problems
P1265 Cylinder #5 High To Low Side Short (If applicable) Injector cylinder 5 high to low side short circuit, wiring issues, injector driver problems
P1266 Cylinder #6 High To Low Side Short (If applicable) Injector cylinder 6 high to low side short circuit, wiring issues, injector driver problems
P1267 Cylinder #7 High To Low Side Short (If applicable) Injector cylinder 7 high to low side short circuit, wiring issues, injector driver problems
P1268 Cylinder #8 High To Low Side Short (If applicable) Injector cylinder 8 high to low side short circuit, wiring issues, injector driver problems
P1288 Cylinder Head Temperature Sensor out of Self-Test? Range Cylinder head temperature sensor reading out of expected range during self-test, faulty sensor, engine overheating
P1289 Cylinder Head Temperature Sensor Signal Greater Than Self-Test? Range Cylinder head temperature sensor reading higher than expected during self-test, faulty sensor, engine overheating
P1290 Cylinder Head Temperature Sensor Signal Less Than Self-Test? Range Cylinder head temperature sensor reading lower than expected during self-test, faulty sensor, engine not warming up properly
P1299 Cylinder Head Temperature Sensor Detected Engine Overheating Condition Cylinder head temperature sensor indicating engine overheating, actual overheating condition, cooling system issues
P1309 Misfire Detection Monitor not enabled Misfire detection monitor not active, system issues preventing misfire monitoring
P1351 Ignition Diagnostic Monitor circuit Input fault Ignition diagnostic monitor circuit problem, wiring issues, PCM failure
P1352 Ignition Coil A – Primary circuit fault Ignition coil A primary circuit problem, wiring issues, coil failure
P1353 Ignition Coil B – Primary circuit fault Ignition coil B primary circuit problem, wiring issues, coil failure
P1354 Ignition Coil C – Primary circuit fault Ignition coil C primary circuit problem, wiring issues, coil failure
P1355 Ignition Coil D – Primary circuit fault Ignition coil D primary circuit problem, wiring issues, coil failure
P1356 Loss of Ignition Diagnostic Module Input to PCM Ignition diagnostic module communication loss with PCM, module failure, wiring issues, PCM communication problems
P1358 Ignition Diagnostic Monitor Signal out of Self-Test? Range Ignition diagnostic monitor signal out of expected range during self-test, faulty module, wiring issues
P1359 Spark Output circuit fault Spark output circuit problem, wiring issues, PCM failure
P1364 Ignition Coil Primary circuit fault Ignition coil primary circuit problem, wiring issues, coil failure
P1380 VCT Solenoid Valve circuit Short or Open Variable camshaft timing (VCT) solenoid circuit short or open, wiring issues, solenoid problems
P1381 Cam Timing Advance is excessive VCT system over-advancing camshaft timing, VCT solenoid issues, timing problems
P1383 Cam Timing Advance is excessive VCT system over-advancing camshaft timing, VCT solenoid issues, timing problems
P1390 Octane Adjust out of Self-Test? Range Octane adjust signal out of expected range during self-test, wiring issues, PCM issues
P1400 Diff Pressure Feedback EGR Circuit Low Input Differential pressure feedback EGR sensor low input, EGR system blockage, sensor problems, wiring issues
P1401 Diff Pressure Feedback EGR Circuit High Input Differential pressure feedback EGR sensor high input, EGR system leaks, sensor problems, wiring issues
P1402 Exhaust Gas Recirculation Metering Orifice Restricted EGR metering orifice blockage, EGR system restriction
P1403 Diff Pressure Feedback Sensor Hoses Reversed Differential pressure feedback EGR sensor hoses reversed, incorrect hose connections
P1404 EGR Temperature Sensor Circuit EGR temperature sensor circuit problem, wiring issues, sensor problems
P1405 Diff Pressure Feedback Sensor Upstream Hose Off/Plugged Differential pressure feedback EGR sensor upstream hose off or plugged, hose damage/blockage
P1406 Diff Pressure Feedback Sensor Downstream Hose Off/Plugged Differential pressure feedback EGR sensor downstream hose off or plugged, hose damage/blockage
P1407 Exhaust Gas Recirculation No Flow Detected No EGR flow detected, EGR valve stuck closed, EGR system blockage, vacuum leaks
P1408 Exhaust Gas Recirculation Flow Out Of Self Test Range EGR flow out of expected range during self-test, EGR system problems, sensor issues
P1409 EGR Vacuum Regulator Solenoid Circuit EGR vacuum regulator solenoid circuit problem, wiring issues, solenoid problems
P1410 Auxiliary Air Cleaner Inlet Control Circuit Auxiliary air cleaner inlet control circuit problem, wiring issues, solenoid/motor problems
P1411 Sec Air Injection Incorrect Downstream Flow Detected Secondary air injection system incorrect downstream flow, air injection system problems, check valve issues
P1412 Exhaust Gas Recirculaton Valve Frozen EGR valve stuck closed due to freezing or blockage, EGR valve mechanical problems
P1413 Sec Air Injection Monitor Circuit Low Input Secondary air injection monitor circuit low input, air injection system problems, sensor problems, wiring issues
P1414 Sec Air Injection Monitor Circuit High Input Secondary air injection monitor circuit high input, air injection system problems, sensor problems, wiring issues
P1415 Air Pump Circuit Air pump circuit problem, wiring issues, air pump failure
P1416 Port Air Circuit Port air circuit problem, wiring issues, air injection system problems
P1417 Port Air Relief Circuit Port air relief circuit problem, wiring issues, air injection system problems
P1418 Split Air #`1 Circuit Split air #1 circuit problem, wiring issues, air injection system problems
P1419 Split Air #`2 Circuit Split air #2 circuit problem, wiring issues, air injection system problems
P1420 Catalyst Temperature Sensor Catalyst temperature sensor circuit problem, wiring issues, sensor problems
P1421 Catalyst Damage Catalytic converter damage or failure, catalyst efficiency issues
P1422 Exhaust Gas Ignition Temperature Sensor Exhaust gas ignition temperature sensor circuit problem, wiring issues, sensor problems
P1423 Exhaust Gas Ignition Functional Test Exhaust gas ignition system functional test failure, system problems
P1424 Exhaust Gas Ignition Plug Primary Exhaust gas ignition plug primary circuit problem, wiring issues, ignition plug problems
P1425 Exhaust Gas Ignition Plug Secondary Exhaust gas ignition plug secondary circuit problem, wiring issues, ignition plug problems
P1426 Exhaust Gas Ignition mini-MAF Sensor Out of Range Exhaust gas ignition mini-MAF sensor reading out of range, sensor problems, air flow issues
P1427 Exhaust Gas Ignition mini-MAF Sensor Sensor Circuit Shorted Exhaust gas ignition mini-MAF sensor circuit shorted, wiring issues, sensor problems
P1428 Exhaust Gas Ignition mini-MAF Sensor Sensor Circuit Open Exhaust gas ignition mini-MAF sensor circuit open, wiring issues, sensor problems
P1429 Electric Air Pump Primary Electric air pump primary circuit problem, wiring issues, air pump failure
P1430 Electric Air Pump Secondary Electric air pump secondary circuit problem, wiring issues, air pump failure
P1431 Misfire Monitor Disabled; unable to learn wheel profile Misfire monitor disabled due to wheel speed sensor or ABS system issues, ABS/wheel speed sensor problems
P1432 Thermostat Heater Control Circuit Thermostat heater control circuit problem, wiring issues, thermostat heater failure
P1433 A/C Refrigerant Temperature Circuit Low A/C refrigerant temperature sensor circuit low input, low refrigerant level, sensor problems, wiring issues
P1434 A/C Refrigerant Temperature Circuit High A/C refrigerant temperature sensor circuit high input, high refrigerant pressure, sensor problems, wiring issues
P1435 A/C Refrigerant Temperature Circuit Range/Performance A/C refrigerant temperature sensor reading out of range, sensor problems, refrigerant pressure issues, wiring issues
P1436 A/C Evaporator Air Temperature Circuit Low A/C evaporator air temperature sensor circuit low input, low evaporator temperature, sensor problems, wiring issues
P1437 A/C Evaporator Air Temperature Circuit High A/C evaporator air temperature sensor circuit high input, high evaporator temperature, sensor problems, wiring issues
P1438 A/C Evaporator Air Temperature Circuit Range/Performance A/C evaporator air temperature sensor reading out of range, sensor problems, A/C system issues, wiring issues
P1439 Floor Temperature Switch Circuit Floor temperature switch circuit problem, wiring issues, switch problems
P1440 Purge Valve Stuck Open EVAP purge valve stuck open, EVAP system leaks, valve mechanical problems
P1441 ELC System 1 Evaporative leak check system 1 problem, EVAP system leaks, system malfunction
P1442 Evaporative Emission System Control Leak Detected EVAP system leak detected, EVAP system component leaks, fuel cap issues
P1443 Evaporative Emission System Control Valve (low/no flow) EVAP control valve low or no flow, EVAP system blockage, valve problems
P1444 Evaporative Emission System Purge Flow Sensor Circuit Low Input EVAP purge flow sensor circuit low input, purge flow issues, sensor problems, wiring issues
P1445 Purge Flow Sensor Circuit High Input Purge flow sensor circuit high input, purge flow issues, sensor problems, wiring issues
P1446 Evaporative Vacuum Solenoid Circuit EVAP vacuum solenoid circuit problem, wiring issues, solenoid problems
P1447 ELC System Closure Valve Flow Evaporative leak check system closure valve flow problem, EVAP system leaks, valve problems
P1448 ELC System 2 Evaporative leak check system 2 problem, EVAP system leaks, system malfunction
P1449 Evaporative Check Solenoid Circuit EVAP check solenoid circuit problem, wiring issues, solenoid problems
P1450 Unable to Bleed Up Fuel Tank Vacuum EVAP system unable to create fuel tank vacuum, EVAP system leaks, vent valve issues, purge valve problems
P1451 Evap Emission Control System Vent Control Circuit EVAP vent control circuit problem, wiring issues, vent valve problems
P1452 Unable to Bleed Up Fuel Tank Vacuum EVAP system unable to create fuel tank vacuum, EVAP system leaks, vent valve issues, purge valve problems
P1453 Fuel Tank Pressure Relief Valve Malfunction Fuel tank pressure relief valve malfunction, valve stuck open/closed, EVAP system problems
P1454 Evaporative Emission System Vacuum Test EVAP system vacuum test failure, EVAP system leaks, system malfunction
P1455 Evaporative Emission Control System Control Leak (gross leak/no flow) Large leak in EVAP system, EVAP system component leaks, fuel cap missing/loose
P1456 Fuel Tank Temperature Sensor Circuit Fuel tank temperature sensor circuit problem, wiring issues, sensor problems
P1457 Unable To Pull Fuel Tank Vacuum EVAP system unable to create fuel tank vacuum, EVAP system leaks, vent valve issues, purge valve problems
P1458 Ignition Timing Control Solenoid Ignition timing control solenoid circuit problem, wiring issues, solenoid problems
P1459 A/C Recirculation Switch Out of Self Test Range A/C recirculation switch signal out of range during self-test, switch problems, wiring issues
P1460 Wide Open Throttle A/C Cutout Circuit Wide open throttle A/C cutout circuit problem, wiring issues, relay problems
P1461 A/C Pressure Sensor Circuit High Input A/C pressure sensor circuit high input, high refrigerant pressure, sensor problems, wiring issues
P1462 A/C Pressure Sensor Circuit Low Input A/C pressure sensor circuit low input, low refrigerant pressure, sensor problems, wiring issues
P1463 A/C Pressure Sensor Insufficient Pressure Change A/C pressure sensor insufficient pressure change, A/C system issues, sensor problems
P1464 A/C On During KOER/CCT Test A/C system active during KOER/CCT test, A/C system should be off during testing
P1465 A/C Relay Circuit A/C relay circuit problem, wiring issues, relay problems
P1466 A/C Refrigerant Temperature Sensor Circuit A/C refrigerant temperature sensor circuit problem, wiring issues, sensor problems
P1467 A/C Compressor Temperature Sensor A/C compressor temperature sensor circuit problem, wiring issues, sensor problems
P1468 SSPOD Open Circuit of Closed Circuit Speed sensitive power override driver (SSPOD) circuit open or closed circuit problem, wiring issues, module issues
P1469 Rapid A/C Cycling A/C system rapid cycling on/off, A/C system pressure issues, refrigerant charge problems
P1470 A/C Cycling Period Too Short A/C system cycling period too short, A/C system pressure issues, refrigerant charge problems
P1471 Electrodrive Fan 1 Operational Failure (Driver side) Cooling fan 1 (driver side) operational failure, fan motor failure, relay problems, wiring issues
P1472 Electrodrive Fan 2 Operational Failure (Passenger side) Cooling fan 2 (passenger side) operational failure, fan motor failure, relay problems, wiring issues
P1473 Fan Circuit Open (VLCM Fan circuit open, wiring issues, relay problems, fan motor problems
P1474 Fan Control Primary Circuit Fan control primary circuit problem, wiring issues, relay problems, PCM control issues
P1475 Fan Relay (Low) Circuit Fan low speed relay circuit problem, wiring issues, relay problems
P1476 Fan Relay (High) Circuit Fan high speed relay circuit problem, wiring issues, relay problems
P1477 Additional Fan Relay Circuit Additional fan relay circuit problem, wiring issues, relay problems
P1478 Cooling Fan Driver Cooling fan driver circuit problem, wiring issues, PCM/fan driver module issues
P1479 High Fan Control Primary Circuit High speed fan control primary circuit problem, wiring issues, relay problems, PCM control issues
P1480 Fan Sec Low with Low Fan On Fan secondary low speed circuit problem when low speed fan is on, wiring issues, relay problems
P1481 Fan Sec Low with High Fan On Fan secondary low speed circuit problem when high speed fan is on, wiring issues, relay problems
P1482 SCP SCP communication protocol problem, network communication issues, PCM/module problems
P1483 Fan Circuit Shorted To Ground (VLCM) Fan circuit shorted to ground, wiring issues, fan motor short circuit
P1484 Fan Dvr Circuit Open To Power Ground (VLCM) Fan driver circuit open to power ground, wiring issues, PCM/fan driver module issues
P1485 Brake Pedal Input Short To Battery Brake pedal input circuit short to battery voltage, wiring issues, brake switch problems
P1486 EGRA Circuit EGR air circuit problem, wiring issues, EGR system problems
P1487 Exhaust Gas Recirculation Check Solenoid Circuit EGR check solenoid circuit problem, wiring issues, solenoid problems
P1488 Exhaust (muffler) Bypass Control Circuit Exhaust bypass control circuit problem, wiring issues, valve/solenoid problems
P1489 PCV Heater Control Circuit Positive crankcase ventilation (PCV) heater control circuit problem, wiring issues, heater problems
P1490 Secondary Air Relief Solenoid Circuit Secondary air relief solenoid circuit problem, wiring issues, solenoid problems
P1491 Secondary Switch Solenoid Circuit Secondary switch solenoid circuit problem, wiring issues, solenoid problems
P1492 APLSOL Solenoid Circuit APLSOL solenoid circuit problem, wiring issues, solenoid problems (specific system solenoid – check Ford repair manual)
P1493 RCNT Solenoid Circuit RCNT solenoid circuit problem, wiring issues, solenoid problems (specific system solenoid – check Ford repair manual)
P1494 SPCUT Solenoid Circuit SPCUT solenoid circuit problem, wiring issues, solenoid problems (specific system solenoid – check Ford repair manual)
P1495 TCSPL Solenoid Circuit TCSPL solenoid circuit problem, wiring issues, solenoid problems (specific system solenoid – check Ford repair manual)
P1496 EGR Stepper Motor 1 Control Circuit Low/High EGR stepper motor 1 control circuit low or high voltage, wiring issues, stepper motor problems
P1497 EGR Stepper Motor 2 Control Circuit Low/High EGR stepper motor 2 control circuit low or high voltage, wiring issues, stepper motor problems
P1498 EGR Stepper Motor 3 Control Circuit Low/High EGR stepper motor 3 control circuit low or high voltage, wiring issues, stepper motor problems
P1499 EGR Stepper Motor 4 Control Circuit Low/High EGR stepper motor 4 control circuit low or high voltage, wiring issues, stepper motor problems
P1500 Vehicle Speed Sensor Vehicle speed sensor circuit problem, wiring issues, sensor problems
P1501 Vehicle Speed Sensor Out Of Self Test Range Vehicle speed sensor reading out of range during self-test, faulty sensor, wiring issues
P1502 VSS Intermittent/Invalid Self Test – APCM Functioning Vehicle speed sensor intermittent or invalid signal during self-test, ABS pump control module (APCM) issues, sensor problems, wiring issues
P1503 Auxiliary Speed Sensor Auxiliary speed sensor circuit problem, wiring issues, sensor problems (if applicable to Ranger model)
P1504 Idle Air Control Circuit Idle air control (IAC) circuit problem, wiring issues, IAC valve problems
P1505 Idle Air Control System At Adaptive Clip IAC system at adaptive clip limit, IAC valve reaching its adjustment limit, vacuum leaks, throttle body issues
P1506 Idle Air Control Overspeed Error Idle speed higher than expected, IAC valve stuck open, vacuum leaks, throttle body issues
P1507 Idle Air Control Underspeed Error Idle speed lower than expected, IAC valve stuck closed, vacuum leaks, throttle body blockage
P1508 Idle Air Control Circuit Open Idle air control (IAC) circuit open, wiring issues, IAC valve problems
P1509 Idle Air Control Circuit Shorted Idle air control (IAC) circuit shorted, wiring issues, IAC valve problems
P1510 Idle Signal Circuit Idle signal circuit problem, wiring issues, PCM control issues
P1511 Idle Switch (Electric Control Throttle) Circuit Electronic throttle control idle switch circuit problem, wiring issues, throttle body issues
P1512 Intake Manifold Runner Control Stuck Closed (bank1) Intake manifold runner control (IMRC) stuck closed bank 1, IMRC actuator/valve problems, vacuum leaks
P1513 Intake Manifold Runner Control Stuck Closed (bank2) (If applicable) Intake manifold runner control (IMRC) stuck closed bank 2, IMRC actuator/valve problems, vacuum leaks
P1514 high Load Neutral/Drive Fault High load condition in neutral or drive, transmission/engine load issues, sensor problems
P1515 Electric Current Circuit Electric current circuit problem, wiring issues, PCM control issues
P1516 Intake Manifold Runner Control Input Error (bank1) Intake manifold runner control (IMRC) input signal error bank 1, sensor problems, wiring issues
P1517 Intake Manifold Runner Control Input Error (bank2) (If applicable) Intake manifold runner control (IMRC) input signal error bank 2, sensor problems, wiring issues
P1518 Intake Manifold Runner Control Stuck Open (bank1) Intake manifold runner control (IMRC) stuck open bank 1, IMRC actuator/valve problems, vacuum leaks
P1519 Intake Manifold Runner Control Stuck Closed (bank2) (If applicable) Intake manifold runner control (IMRC) stuck closed bank 2, IMRC actuator/valve problems, vacuum leaks
P1520 Intake Manifold Runner Control Circuit Intake manifold runner control (IMRC) circuit problem, wiring issues, IMRC actuator/valve problems
P1521 Variable Resonance Induction System Solenoid #1 Circuit Variable resonance induction system (VRIS) solenoid 1 circuit problem, wiring issues, solenoid problems
P1522 Variable Resonance Induction System Solenoid #2 Circuit Variable resonance induction system (VRIS) solenoid 2 circuit problem, wiring issues, solenoid problems
P1523 IVC Solenoid Circuit Intake valve control (IVC) solenoid circuit problem, wiring issues, solenoid problems (specific system solenoid – check Ford repair manual)
P1524 Variable Intake Solenoid Circuit Variable intake solenoid circuit problem, wiring issues, solenoid problems (specific system solenoid – check Ford repair manual)
P1525 Air Bypass Valve Air bypass valve circuit problem, wiring issues, valve problems
P1526 Air Bypass System Air bypass system problem, system malfunction, valve issues, vacuum leaks
P1527 Bypass Air Solenoid (Accelerate Warm-up) Circuit Bypass air solenoid (accelerate warm-up) circuit problem, wiring issues, solenoid problems
P1528 Subsidiary Throttle Valve Solenoid Subsidiary throttle valve solenoid circuit problem, wiring issues, solenoid problems (specific system solenoid – check Ford repair manual)
P1529 SCAIR Solenoid Circuit SCAIR solenoid circuit problem, wiring issues, solenoid problems (specific system solenoid – check Ford repair manual)
P1530 A/C Clutch Circuit Open (VLCM) A/C clutch circuit open, wiring issues, A/C clutch problems, relay problems
P1531 Invalid Test -Accelerator Pedal Movement Invalid test due to accelerator pedal movement during self-test, driver error, test procedure issue
P1532 Intake Manifold Communication Control Circuit (bank2) (If applicable) Intake manifold communication control circuit problem bank 2, wiring issues, IMRC system problems
P1533 Air Assisted Injector Circuit Air assisted injector circuit problem, wiring issues, injector problems (if applicable to Ranger model)
P1534 Restraint Deployment Indicator Circuit Restraint deployment indicator circuit problem, airbag system issues, wiring issues
P1535 Blower Fan Speed Circuit Range/Performance Blower fan speed circuit range/performance issue, blower motor resistor problems, wiring issues, blower motor issues
P1536 Parking Brake Applied Failure Parking brake applied during test or unexpected condition, parking brake switch issues, sensor problems
P1537 Intake Manifold Runner Control Stuck Open (bank1) Intake manifold runner control (IMRC) stuck open bank 1, IMRC actuator/valve problems, vacuum leaks
P1538 Intake Manifold Runner Control Stuck Open (bank2) (If applicable) Intake manifold runner control (IMRC) stuck open bank 2, IMRC actuator/valve problems, vacuum leaks
P1539 A/C Clutch Circuit Overcurrent/Short (VLCM) A/C clutch circuit overcurrent or short circuit, wiring issues, A/C clutch problems, relay problems
P1540 Air Bypass Valve Circuit Air bypass valve circuit problem, wiring issues, valve problems
P1541 Intake Manifold Runner Control Circuit Range/Performance (see 2015) Intake manifold runner control (IMRC) circuit range/performance issue, IMRC system problems, sensor issues, wiring issues
P1542 Primary PCM ID Circuit (dual PCM application) (If applicable) Primary PCM ID circuit problem in dual PCM system, PCM communication issues, wiring issues
P1543 Engine Coolant heater A Control Circuit Engine coolant heater A control circuit problem, wiring issues, heater problems
P1544 Engine Coolant heater B Control Circuit (If applicable) Engine coolant heater B control circuit problem, wiring issues, heater problems
P1545 Exhaust Gas Recirculation High Side Control Circuit / Open EGR high side control circuit open or problem, wiring issues, EGR valve control issues
P1546 Exhaust Gas Recirculation High Side Control Circuit Low EGR high side control circuit low voltage, wiring issues, EGR valve control issues
P1547 Exhaust Gas Recirculation High Side Control Circuit High EGR high side control circuit high voltage, wiring issues, EGR valve control issues
P1549 Intake Manifold Communication Control Circuit (bank1) Intake manifold communication control circuit problem bank 1, wiring issues, IMRC system problems
P1550 Power Steering Pressure Sensor Out Of Self Test Range Power steering pressure sensor reading out of range during self-test, faulty sensor, power steering system issues
P1551 Injector Circuit Range/Performance – Cylinder 1 Injector cylinder 1 circuit range/performance issue, wiring issues, injector problems
P1552 Injector Circuit Range/Performance – Cylinder 2 Injector cylinder 2 circuit range/performance issue, wiring issues, injector problems
P1553 Injector Circuit Range/Performance – Cylinder 3 Injector cylinder 3 circuit range/performance issue, wiring issues, injector problems
P1554 Injector Circuit Range/Performance – Cylinder 4 Injector cylinder 4 circuit range/performance issue, wiring issues, injector problems
P1555 Injector Circuit Range/Performance – Cylinder 5 (If applicable) Injector cylinder 5 circuit range/performance issue, wiring issues, injector problems
P1556 Injector Circuit Range/Performance – Cylinder 6 (If applicable) Injector cylinder 6 circuit range/performance issue, wiring issues, injector problems
P1557 Injector Circuit Range/Performance – Cylinder 7 (If applicable) Injector cylinder 7 circuit range/performance issue, wiring issues, injector problems
P1558 Injector Circuit Range/Performance – Cylinder 8 (If applicable) Injector cylinder 8 circuit range/performance issue, wiring issues, injector problems
P1562 PCM B+ Voltage Low (KAM power) PCM battery voltage (B+) low, keep alive memory (KAM) power issue, battery problems, wiring issues, PCM power supply problems
P1563 Injection Pump Control Module Requesting Engine Stop (Diesel Rangers) Injection pump control module requesting engine stop, injection pump control issues, system malfunction
P1564 Injection Pump Control Module Requesting Reduced Fueling (Diesel Rangers) Injection pump control module requesting reduced fueling, injection pump control issues, system malfunction
P1565 Speed Control Command Switch Out of Range High Cruise control command switch signal out of range high, switch problems, wiring issues
P1566 Speed Control Command Switch Out of Range Low Cruise control command switch signal out of range low, switch problems, wiring issues
P1567 Speed Control Output Circuit Cruise control output circuit problem, wiring issues, PCM control issues
P1568 Speed Control Unable to Hold Speed Cruise control system unable to maintain set speed, cruise control system problems, sensor issues, actuator problems
P1569 Intake Manifold Runner Control Circuit Low Intake manifold runner control (IMRC) circuit low voltage, wiring issues, IMRC actuator/valve problems
P1570 Intake Manifold Runner Control Circuit High Intake manifold runner control (IMRC) circuit high voltage, wiring issues, IMRC actuator/valve problems
P1571 Brake Switch Brake switch circuit problem, wiring issues, brake switch problems
P1572 Brake Pedal Switch Circuit Brake pedal switch circuit problem, wiring issues, brake switch problems
P1573 Throttle Position Not Available Throttle position sensor signal not available, sensor failure, wiring issues, PCM communication problems
P1574 Throttle Position Sensor Outputs Disagree Throttle position sensor readings inconsistent between sensors, sensor problems, wiring issues
P1575 Pedal Position Out Of Self Test Range Pedal position sensor reading out of range during self-test, faulty sensor, wiring issues
P1576 Pedal Position Not Available Pedal position sensor signal not available, sensor failure, wiring issues, PCM communication problems
P1577 Pedal Position Sensor Outputs Disagree Pedal position sensor readings inconsistent between sensors, sensor problems, wiring issues
P1578 ETC Power Less Than Demand Electronic throttle control (ETC) power less than demanded, throttle body issues, PCM control problems
P1579 ETC In Power Limiting Mode Electronic throttle control (ETC) system in power limiting mode, system fault, PCM control strategy
P1580 Electronic Throttle Monitor PCM Override Electronic throttle monitor PCM override active, ETC system fault, PCM control strategy
P1581 Electronic Throttle Monitor Error Electronic throttle monitor error, ETC system fault, PCM/throttle body communication problems
P1582 Electronic Throttle Monitor Data Available Electronic throttle monitor data available, informational code indicating ETC system data is available for diagnostics
P1583 Electronic Throttle Monitor Cruise Disablement Electronic throttle monitor cruise control disablement, cruise control system interference with ETC, system interaction issues
P1584 Throttle Control Detected ETB Error Electronic throttle body (ETB) error detected by throttle control system, throttle body issues, PCM control problems
P1585 Throttle Control Error Throttle control system error, ETC system fault, PCM control problems
P1586 Electronic Throttle to PCM Communication Error Electronic throttle control (ETC) communication error with PCM, PCM/throttle body communication problems, wiring issues
P1587 Throttle Control Modulated Command Error Throttle control modulated command error, ETC system fault, PCM control strategy
P1588 Throttle Control Detected Loss Of Return Spring Throttle control system detected loss of throttle return spring, throttle body mechanical failure, ETC system fault
P1589 Throttle Control Unable To Control To Desired Throttle Angle Throttle control system unable to achieve desired throttle angle, ETC system fault, throttle body issues, PCM control problems
P1590 Cruise Control INCREASE DISTANCE Signal Adaptive cruise control increase distance signal problem, cruise control system issues, sensor problems (if applicable)
P1591 Cruise Control DECREASE DISTANCE Signal Adaptive cruise control decrease distance signal problem, cruise control system issues, sensor problems (if applicable)
P1592 Vehicle Data Recorder Data Available Vehicle data recorder data available, informational code indicating vehicle data recorder information is available for diagnostics (if applicable)
P1600 Loss Of KAM Power-Circuit Open Loss of keep alive memory (KAM) power, KAM circuit open, battery voltage issues, wiring issues, PCM power supply problems
P1601 ECM/TCM Serial Communication Error ECM/TCM serial communication error, engine control module (ECM) and transmission control module (TCM) communication problems, network issues
P1602 Immobilizer/ECM Communication Error Immobilizer/ECM communication error, PATS system issues, ECM communication problems, security system malfunction
P1603 ID Number Unregistered Immobilizer ID number unregistered, PATS system issues, key programming problems, security system malfunction
P1604 Code Word Unregistered Immobilizer code word unregistered, PATS system issues, key programming problems, security system malfunction
P1605 Keep Alive Memory Test Failure Keep alive memory (KAM) test failure, PCM internal memory error, PCM failure
P1606 ECM Control Relay Output Circuit ECM control relay output circuit problem, wiring issues, relay problems, PCM control issues
P1607 MIL Output Circuit Malfunction indicator lamp (MIL) output circuit problem, wiring issues, instrument cluster problems, PCM control issues
P1608 PCM Internal Circuit PCM internal circuit fault, PCM failure
P1609 Diagnostic Lamp Driver Diagnostic lamp driver circuit problem, wiring issues, instrument cluster problems, PCM control issues
P1610 SBDS Interactive Codes SBDS (Service Bay Diagnostic System) interactive codes, Ford specific diagnostic codes related to SBDS communication or testing
P1611 SBDS Interactive Codes SBDS (Service Bay Diagnostic System) interactive codes, Ford specific diagnostic codes related to SBDS communication or testing
P1612 SBDS Interactive Codes SBDS (Service Bay Diagnostic System) interactive codes, Ford specific diagnostic codes related to SBDS communication or testing
P1613 SBDS Interactive Codes SBDS (Service Bay Diagnostic System) interactive codes, Ford specific diagnostic codes related to SBDS communication or testing
P1614 SBDS Interactive Codes SBDS (Service Bay Diagnostic System) interactive codes, Ford specific diagnostic codes related to SBDS communication or testing
P1615 SBDS Interactive Codes SBDS (Service Bay Diagnostic System) interactive codes, Ford specific diagnostic codes related to SBDS communication or testing
P1616 SBDS Interactive Codes SBDS (Service Bay Diagnostic System) interactive codes, Ford specific diagnostic codes related to SBDS communication or testing
P1617 SBDS Interactive Codes SBDS (Service Bay Diagnostic System) interactive codes, Ford specific diagnostic codes related to SBDS communication or testing
P1618 SBDS Interactive Codes SBDS (Service Bay Diagnostic System) interactive codes, Ford specific diagnostic codes related to SBDS communication or testing
P1619 SBDS Interactive Codes SBDS (Service Bay Diagnostic System) interactive codes, Ford specific diagnostic codes related to SBDS communication or testing
P1620 SBDS Interactive Codes SBDS (Service Bay Diagnostic System) interactive codes, Ford specific diagnostic codes related to SBDS communication or testing
P1621 Immobilizer Code Words Do Not Match Immobilizer code words mismatch, PATS system issues, key programming problems, security system malfunction
P1622 Immobilizer ID Does Not Match Immobilizer ID mismatch, PATS system issues, key programming problems, security system malfunction
P1623 Immobilizer Code Word/ID Number Write Failure Immobilizer code word or ID number write failure, PATS system issues, programming problems, security system malfunction
P1624 Anti-theft System Anti-theft system problem, PATS system issues, security system malfunction
P1625 Fan Dvr Circuit Open to Power B+ (VLCM) Fan driver circuit open to power B+, wiring issues, PCM/fan driver module issues
P1626 A/C Circuit Open to Power B+ (VLCM) A/C circuit open to power B+, wiring issues, A/C clutch problems, relay problems
P1627 Module Supply Voltage Out Of Range Module supply voltage out of range, PCM voltage supply issues, wiring problems
P1628 Module Ignition Supply Input Module ignition supply input problem, ignition switch issues, wiring issues, PCM power supply problems
P1629 Internal Voltage Regulator PCM internal voltage regulator fault, PCM failure
P1630 Alternator regulator #1 Control Circuit Alternator regulator 1 control circuit problem, wiring issues, alternator regulator problems
P1631 Alternator regulator #2 Control Circuit (If applicable) Alternator regulator 2 control circuit problem, wiring issues, alternator regulator problems
P1632 Smart Alternator Faults Sensor / Circuit Smart alternator system fault, sensor or circuit problems, alternator control issues
P1633 Keep Alive Power Voltage Too Low Keep alive power (KAM) voltage too low, battery voltage issues, wiring issues, PCM power supply problems
P1634 Data Output Link Circuit Data output link circuit problem, diagnostic communication issues, wiring issues, PCM communication problems
P1635 Tire/Axle Out of Acceptable Range Tire size or axle ratio out of acceptable range, tire size mismatch, axle ratio configuration issues, PCM programming issues
P1636 Inductive Signature Chip Communication Error Inductive signature chip communication error, PATS system issues, key transponder problems, security system malfunction
P1637 CAN link ECM/ABS Control Module Circuit/Network CAN communication link problem between ECM and ABS control module, network issues, wiring problems, module communication problems
P1638 CAN Link ECM/INSTM Circuit/Network CAN communication link problem between ECM and instrument cluster module (INSTM), network issues, wiring problems, module communication problems
P1639 Vehicle ID Block Corrupted-Not Programmed Vehicle identification (VID) block corrupted or not programmed, PCM programming issues, module configuration problems
P1640 Powertrain DTCs Available In Another Control Module Powertrain diagnostic trouble codes (DTCs) available in another control module, informational code indicating codes are present in other modules
P1641 Fuel Pump Primary Circuit Fuel pump primary circuit problem, wiring issues, fuel pump relay problems
P1642 CAN Link Circuit CAN communication link circuit problem, network issues, wiring problems, module communication problems
P1643 CAN Link Engine Control Module/Tran Control Module Circuit/Network CAN communication link problem between engine control module (ECM) and transmission control module (TCM), network issues, wiring problems, module communication problems
P1644 Fuel Pump Speed Control Circuit Fuel pump speed control circuit problem, wiring issues, fuel pump driver module issues
P1645 Fuel Pump Resistor Switch Circuit Fuel pump resistor switch circuit problem, wiring issues, fuel pump resistor problems
P1646 Linear 02 Sensor Control Chip (Bank 1) Linear O2 sensor control chip problem bank 1, O2 sensor control circuit issues, PCM failure
P1647 Linear 02 Sensor Control Chip (Bank 2) (If applicable) Linear O2 sensor control chip problem bank 2, O2 sensor control circuit issues, PCM failure
P1648 Knock Sensor Input Chip Knock sensor input chip problem, knock sensor circuit issues, PCM failure
P1649 Fuel Injection Pump Module (Diesel Rangers) Fuel injection pump module fault, injection pump control issues, module failure
P1650 Power Steering Pressure Switch Out Of Self Test Range Power steering pressure switch reading out of range during self-test, faulty switch, power steering system issues
P1651 Power Steering Pressure Switch Input Power steering pressure switch input circuit problem, wiring issues, switch problems
P1652 Idle Air Control Monitor Disabled By PSPS Failed On Idle air control (IAC) monitor disabled due to power steering pressure switch (PSPS) failure or stuck on, power steering system issues
P1653 Power Steering Output Circuit Power steering output circuit problem, wiring issues, PCM control issues
P1654 recirculation Override Circuit Recirculation override circuit problem, A/C system issues, wiring issues, control circuit problems
P1655 Starter Disable Circuit Starter disable circuit problem, anti-theft system issues, wiring issues, starter system problems
P1656 CAN Link PCM/PCM Circuit/Network CAN communication link problem between PCMs (in dual PCM systems), network issues, wiring problems, module communication problems
P1657 CAN Link Chip Error CAN communication link chip error, network communication issues, PCM/module communication problems
P1658 Injector Pump Control Module System Voltage (Diesel Rangers) Injection pump control module system voltage problem, voltage supply issues, module power problems
P1659 Injector Pump Control Module Power Circuit (Diesel Rangers) Injection pump control module power circuit problem, wiring issues, module power supply problems
P1660 Output Circuit Check Circuit High Input Output circuit check circuit high input, wiring issues, PCM output circuit monitoring problem
P1661 Output Circuit Check Circuit Low Input Output circuit check circuit low input, wiring issues, PCM output circuit monitoring problem
P1662 EDU_EN Output Circuit EDU_EN (Electronic Driver Unit Enable) output circuit problem, wiring issues, PCM control of EDU (if applicable to Ranger model)
P1663 Fuel Demand Command Signal Output Circuit Failure Fuel demand command signal output circuit failure, PCM control of fuel demand issues, wiring issues
P1664 Injector Pump Control Module Malfunction (Diesel Rangers) Injection pump control module malfunction, module failure
P1665 Injector Pump Control Module Communications (Diesel Rangers) Injection pump control module communication problems, PCM/module communication issues, network problems
P1666 Injector Pump Control Module/ECM Crank Reference Synchronization (Diesel Rangers) Injection pump control module/ECM crank reference synchronization problem, timing issues, sensor problems
P1667 Cylinder ID Circuit Failure Cylinder identification (CID) circuit failure, sensor problems, wiring issues
P1668 PCM/IDM Diagnostic Communication Error PCM/injector driver module (IDM) diagnostic communication error, PCM/IDM communication problems, network issues
P1669 Injector Pump Control Module Monitoring ECM Fault (Diesel Rangers) Injection pump control module monitoring ECM fault, ECM/injection pump control module communication issues, system monitoring problems
P1670 EF Feedback Signal Not Detected Electronic feedback (EF) signal not detected, system feedback issues, sensor problems, wiring issues (specific system – check Ford repair manual)
P1671 Secondary Fuel Pump Relay Secondary fuel pump relay circuit problem, wiring issues, relay problems (if applicable to Ranger model)
P1672 CAN Link ECM / Suspension Control Module Circuit/Network CAN communication link problem between ECM and suspension control module, network issues, wiring problems, module communication problems (if applicable to Ranger model with air suspension)
P1673 ABS Lamp Control Circuit ABS warning lamp control circuit problem, wiring issues, instrument cluster problems, ABS module control issues
P1674 Control Module Software Corrupted Control module software corruption, PCM/module programming issues, software update may be needed
P1675 Injector Data Not Programmed Injector data not programmed into PCM, injector coding required, PCM programming issues, injector replacement without programming
P1676 Injector Data Incompatible Injector data incompatible with PCM, incorrect injector data programmed, PCM programming issues, injector mismatch
P1677 Alternative Fuel Control Communication Circuit (If applicable) Alternative fuel control communication circuit problem, alternative fuel system issues, wiring issues
P1678 Low Oil Pressure Lamp Control Circuit Low oil pressure warning lamp control circuit problem, wiring issues, instrument cluster problems, oil pressure sensor/switch issues
P1679 Engine Oil Pressure Output Circuit Engine oil pressure output circuit problem, wiring issues, instrument cluster problems, PCM control issues
P1680 Metering Oil Pump Failure (If applicable) Metering oil pump failure, oil pump problems (specific engine types)
P1683 Metering Oil Pump Temperature Sensor Circuit (If applicable) Metering oil pump temperature sensor circuit problem, wiring issues, sensor problems
P1684 Metering Oil Pump Position Sensor Circuit (If applicable) Metering oil pump position sensor circuit problem, wiring issues, sensor problems
P1685 Metering Oil Pump Stepping Motor Cont. Circuit (If applicable) Metering oil pump stepping motor control circuit problem, wiring issues, motor problems
P1689 Oil Pressure Control Solenoid Circuit Oil pressure control solenoid circuit problem, wiring issues, solenoid problems (specific system solenoid – check Ford repair manual)
P1690 Wastegate Control Valve Error (Turbocharged Rangers) Wastegate control valve error, wastegate problems, boost control issues
P1691 Turbocharger Pressure Control Solenoid Circuit (Turbocharged Rangers) Turbocharger pressure control solenoid circuit problem, wiring issues, solenoid problems
P1692 Turbocharger Control Solenoid Circuit (Turbocharged Rangers) Turbocharger control solenoid circuit problem, wiring issues, solenoid problems
P1693 Turbocharger Charge Control Circuit (Turbocharged Rangers) Turbocharger charge control circuit problem, wiring issues, boost control system problems
P1694 Turbocharger Charge Relief Circuit (Turbocharged Rangers) Turbocharger charge relief circuit problem, wiring issues, boost relief system problems
P1695 CAN Link Injection Pump Control Module/Engine Control Module (Diesel Rangers) CAN communication link problem between injection pump control module and engine control module, network issues, wiring problems, module communication problems
P1696 CAN Link Engine Control Module/Cruise Control Module Circuit/Network CAN communication link problem between engine control module and cruise control module, network issues, wiring problems, module communication problems
P1697 Cruise Control distance-Control Input Circuit Adaptive cruise control distance control input circuit problem, cruise control system issues, sensor problems (if applicable)
P1700 Tran Indeterminate Failure (Failed to Neutral) Transmission indeterminate failure, transmission failed to engage neutral, internal transmission problems
P1701 Reverse Engagement Error Transmission reverse engagement error, reverse gear problems, internal transmission issues
P1702 Tran Range Sensor Intermittent Circuit Error Transmission range sensor (TRS) intermittent circuit error, wiring issues, TRS problems
P1703 Brake Switch Out Of Self Test Range Brake switch signal out of range during self-test, brake switch problems, wiring issues
P1704 Transmission Range Circuit Not Indicating Park/Neutral During Self Test Transmission range circuit not indicating park or neutral during self-test, TRS adjustment issues, wiring problems, TRS problems
P1705 Tran Range Circuit Not Indicating P/N in Self test Transmission range circuit not indicating park or neutral during self-test, TRS adjustment issues, wiring problems, TRS problems
P1706 High Vehicle Speed Observed in Park Vehicle speed detected while in park, vehicle speed sensor issues, transmission output shaft speed sensor problems
P1707 Transfer Case Neutral Indicator Hard Fault Present (4×4 Rangers) Transfer case neutral indicator hard fault, transfer case issues, sensor problems
P1708 Clutch Switch Circuit (Manual Transmission Rangers) Clutch switch circuit problem, wiring issues, clutch switch problems
P1709 Park Neutral Position Switch Out Of Self Test Range Park/neutral position switch signal out of range during self-test, switch problems, wiring issues
P1710 Transmission Control Module Solenoid/Internal Ground Circuit Transmission control module (TCM) solenoid or internal ground circuit problem, wiring issues, TCM internal fault
P1711 Tran Fluid Temperature Sensor Out Of Self Test Range Transmission fluid temperature (TFT) sensor reading out of range during self-test, faulty sensor, transmission fluid temperature issues
P1712 Tran Torque Reduction Request Signal Transmission torque reduction request signal problem, engine/transmission control system interaction issues, sensor problems
P1713 Tran Fluid Temperature Sensor In Range Failure( Transmission fluid temperature (TFT) sensor in range failure, sensor reading within range but still faulty, sensor problems
P1714 Shift Solenoid A Inductive Signature Shift solenoid A inductive signature error, solenoid electrical characteristics out of range, solenoid problems
P1715 Shift Solenoid B Inductive Signature Error Shift solenoid B inductive signature error, solenoid electrical characteristics out of range, solenoid problems
P1716 Shift Solenoid C Inductive Signature Shift solenoid C inductive signature error, solenoid electrical characteristics out of range, solenoid problems
P1717 Shift Solenoid D Inductive Signature (If applicable) Shift solenoid D inductive signature error, solenoid electrical characteristics out of range, solenoid problems
P1718 TFT Stuck in Range High-25OF Transmission fluid temperature (TFT) sensor stuck in high range, sensor reading always high, faulty sensor
P1719 Engine Torque Signal Engine torque signal problem, engine/transmission communication issues, sensor problems
P1720 Vehicle Speed (Meter) Circuit Vehicle speed signal circuit problem for instrument cluster/meter, wiring issues, VSS problems
P1721 Gear 1 Incorrect Ratio Gear 1 incorrect ratio, transmission slipping in 1st gear, internal transmission problems
P1722 Gear 1 Incorrect Ratio Gear 1 incorrect ratio, transmission slipping in 1st gear, internal transmission problems
P1723 Gear 3 Incorrect Ratio Gear 3 incorrect ratio, transmission slipping in 3rd gear, internal transmission problems
P1724 Gear 4 Incorrect Ratio Gear 4 incorrect ratio, transmission slipping in 4th gear, internal transmission problems
P1725 Insufficient Engine Speed Increase During Self Test Insufficient engine speed increase during self-test, engine performance issues, self-test procedure problems
P1726 Insufficient Engine Speed Decrease During Self Test Insufficient engine speed decrease during self-test, engine control issues, self-test procedure problems
P1727 Coast Clutch Solenoid Inductive Signature Coast clutch solenoid inductive signature error, solenoid electrical characteristics out of range, solenoid problems
P1728 Tran Slip Error Transmission slip error, excessive transmission slippage, internal transmission problems
P1729 4x4L Switch Error (4×4 Rangers) 4×4 low range switch error, 4WD system switch problems, wiring issues
P1730 Gear Control Malfunction 2,3,5 Gear control malfunction affecting 2nd, 3rd, and 5th gears, transmission shift problems, internal transmission issues
P1731 1-2 Shift Error 1-2 shift error, transmission shift problems, shift solenoid issues, valve body problems, internal transmission problems
P1732 2-3 Shift Error 2-3 shift error, transmission shift problems, shift solenoid issues, valve body problems, internal transmission problems
P1733 3-4 Shift Error 3-4 shift error, transmission shift problems, shift solenoid issues, valve body problems, internal transmission problems
P1734 4-5 Shift Malfunction 4-5 shift malfunction, transmission shift problems, shift solenoid issues, valve body problems, internal transmission problems
P1735 First Gear Switch Circuit Failure First gear switch circuit failure, wiring issues, switch problems (manual transmission specific)
P1736 Second Gear Switch Circuit Failure Second gear switch circuit failure, wiring issues, switch problems (manual transmission specific)
P1737 Lockup Solenoid Torque converter lockup solenoid circuit problem, wiring issues, solenoid problems
P1738 Shift Time Error Transmission shift time error, slow or delayed shifts, shift solenoid issues, valve body problems, internal transmission problems
P1739 Slip Solenoid Transmission slip solenoid circuit problem, wiring issues, solenoid problems
P1740 Torque Converter Clutch Solenoid Inductive Signal Torque converter clutch solenoid inductive signal error, solenoid electrical characteristics out of range, solenoid problems
P1741 Torque Converter Clutch Solenoid Control Error Torque converter clutch solenoid control error, solenoid problems, valve body problems, PCM/TCM control issues
P1742 Torque Converter Clutch Solenoid Circuit Failed On Torque converter clutch solenoid circuit failed on, torque converter clutch stuck engaged, solenoid problems, valve body problems
P1743 Torque Converter Clutch Solenoid Circuit Failed On* Torque converter clutch solenoid circuit failed on, torque converter clutch stuck engaged, solenoid problems, valve body problems
P1744 Torque Converter Clutch System Performance Torque converter clutch system performance issues, torque converter clutch slipping or not engaging properly, solenoid problems, valve body problems, internal transmission problems
P1745 Line Pressure Solenoid Transmission line pressure solenoid circuit problem, wiring issues, solenoid problems
P1746 EPC Solenoid Open Circuit Electronic pressure control (EPC) solenoid open circuit, wiring issues, solenoid problems
P1747 EPC Solenoid Short Circuit Electronic pressure control (EPC) solenoid short circuit, wiring issues, solenoid problems
P1748 Pressure Control Solenoid A Pressure control solenoid A circuit problem, wiring issues, solenoid problems
P1749 Pressure Control Solenoid A Failed Low Pressure control solenoid A failed low, solenoid problems, valve body problems, low transmission pressure
P1750 Clutch Adaptive Learning Not Done Transmission clutch adaptive learning not completed, transmission control module learning procedure incomplete, PCM/TCM programming issues
P1751 Shift Solenoid A Performance Shift solenoid A performance issues, shift solenoid not operating correctly, solenoid problems, valve body problems
P1752 Shift Solenoid A Circuit Short Shift solenoid A circuit short circuit, wiring issues, solenoid problems
P1754 Coast Clutch Solenoid Circuit Error Coast clutch solenoid circuit error, wiring issues, solenoid problems
P1755 CAN ECM/Park Brake Control Module Circuit Malfunction CAN communication link problem between ECM and park brake control module, network issues, wiring problems, module communication problems
P1756 Shift Solenoid B Performance Shift solenoid B performance issues, shift solenoid not operating correctly, solenoid problems, valve body problems
P1757 Shift Solenoid B Circuit Short Shift solenoid B circuit short circuit, wiring issues, solenoid problems
P1758 Pressure Solenoid Control System Incorrect Current Pressure solenoid control system incorrect current, solenoid control circuit problems, wiring issues
P1759 2-4 Brake Failsafe Valve Malfunction 2-4 brake failsafe valve malfunction, valve body problems, internal transmission issues
P1760 EPC Solenoid Short Intermittent Electronic pressure control (EPC) solenoid intermittent short circuit, wiring issues, solenoid problems
P1761 Shift Solenoid C Performance Shift solenoid C performance issues, shift solenoid not operating correctly, solenoid problems, valve body problems
P1762 Overdrive Band Failed Off Overdrive band failed off, overdrive system problems, internal transmission issues
P1763 Low and Reverse Brake Pressure Switch Circuit Low and reverse brake pressure switch circuit problem, wiring issues, pressure switch problems
P1764 Low and Reverse Brake Failsafe Valve Malfunction Low and reverse brake failsafe valve malfunction, valve body problems, internal transmission issues
P1765 Timing Solenoid Circuit Timing solenoid circuit problem, wiring issues, solenoid problems (specific transmission solenoid – check Ford repair manual)
P1766 Shift Solenoid D Performance (If applicable) Shift solenoid D performance issues, shift solenoid not operating correctly, solenoid problems, valve body problems
P1767 Torque Converter Clutch Circuit Torque converter clutch circuit problem, wiring issues, solenoid problems
P1768 Performance/Normal/Winter Mode Input Performance/normal/winter mode switch input circuit problem, mode switch problems, wiring issues
P1769 AG4 Transmission Torque Modulation Fault (VW trans) (If applicable) AG4 transmission torque modulation fault, specific to VW sourced transmissions used in some Rangers, transmission control issues
P1770 Clutch Solenoid Circuit Clutch solenoid circuit problem, wiring issues, solenoid problems (specific transmission solenoid – check Ford repair manual)
P1771 Sift Solenoid E Performance (If applicable) Shift solenoid E performance issues, shift solenoid not operating correctly, solenoid problems, valve body problems
P1772 Throttle Position Sensor Circuit Low Input Throttle position sensor circuit low input, TPS signal wire short to ground, sensor problems, wiring issues
P1773 CAN Link PCM/Fuel Fied Heater Malfunction CAN communication link problem between PCM and fuel fired heater, network issues, wiring problems, fuel fired heater system issues (if applicable)
P1774 CAN Link Gear Shift Module / TCM CAN communication link problem between gear shift module and TCM, network issues, wiring issues, module communication problems (if applicable to specific Ranger models with gear shift modules)
P1775 Transmission System MIL Fault Transmission system malfunction indicator lamp (MIL) fault, transmission problem triggering MIL, TCM control issues
P1776 Ignition Retard Request Duration Ignition retard request duration issue, engine/transmission control system interaction problems, timing control issues
P1777 Ignition Retard Request Circuit Ignition retard request circuit problem, engine/transmission control system interaction issues, wiring issues
P1778 Transmission Reverse I/P Circuit Transmission reverse input circuit problem, wiring issues, transmission range sensor issues, reverse gear engagement problems
P1779 TCIL Circuit Transmission control indicator lamp (TCIL) circuit problem, wiring issues, instrument cluster problems, TCM control issues
P1780 TCS Circuit Out of self Test Range Traction control system (TCS) circuit out of self-test range, TCS system problems, sensor issues, wiring issues
P1781 4x4L Circuit Out of Self Test Range (4×4 Rangers) 4×4 low range circuit out of self-test range, 4WD system switch problems, wiring issues
P1782 Performance/Economy Switch Circuit Out Of Self Test Range Performance/economy mode switch circuit out of self-test range, mode switch problems, wiring issues
P1783 Tran Overtemp Condition Transmission over temperature condition, transmission overheating, low transmission fluid, transmission cooler issues, TFT sensor issues
P1784 Tran Mechanical Failure – 1st And Reverse Transmission mechanical failure affecting 1st gear and reverse, internal transmission damage, mechanical problems
P1785 Tran Mechanical Failure – 1st And 2nd Transmission mechanical failure affecting 1st and 2nd gears, internal transmission damage, mechanical problems
P1786 3-2 Downshift Error 3-2 downshift error, transmission shift problems, shift solenoid issues, valve body problems, internal transmission problems
P1787 2-1 Downshift Error 2-1 downshift error, transmission shift problems, shift solenoid issues, valve body problems, internal transmission problems
P1788 Pressure Control Solenoid B Open Circuit Pressure control solenoid B open circuit, wiring issues, solenoid problems
P1789 Pressure Control Solenoid B Short Circuit Pressure control solenoid B short circuit, wiring issues, solenoid problems
P1790 TP (Mechanical) Circuit Throttle position (mechanical) circuit problem, wiring issues, TPS mechanical linkage problems (older Rangers)
P1791 TP (Electric) Circuit Throttle position (electric) circuit problem, wiring issues, TPS electrical problems
P1792 Barometer Pressure Circuit Barometric pressure circuit problem, wiring issues, BARO sensor problems
P1793 Intake Air Volume Circuit Intake air volume circuit problem, wiring issues, MAF/VAF sensor issues
P1794 Battery Voltage Circuit Battery voltage circuit problem, low battery voltage, charging system issues, wiring issues
P1795 Inconsistent CAN Level Inconsistent CAN communication level, network communication problems, module communication issues
P1796 Kick Down Switch Circuit Kick-down switch circuit problem, wiring issues, kick-down switch problems (automatic transmissions)
P1797 Clutch Pedal Position Switch/Neutral Switch Circuit Clutch pedal position switch or neutral switch circuit problem, wiring issues, switch problems (manual transmissions)
P1798 Coolant Temperature Circuit Coolant temperature circuit problem, wiring issues, ECT sensor problems
P1799 CAN TCM/ABS Circuit Malfunction CAN communication link problem between TCM and ABS module, network issues, wiring problems, module communication problems
P1800 Transmission Clutch Interlock Safety Switch Circuit Failure (Manual Transmission Rangers) Transmission clutch interlock safety switch circuit failure, wiring issues, switch problems
P1801 Transmission Clutch Interlock Safety Switch Open Circuit (Manual Transmission Rangers) Transmission clutch interlock safety switch open circuit, wiring issues, switch problems
P1802 Transmission Clutch Interlock Safety Switch Short Circuit To Battery (Manual Transmission Rangers) Transmission clutch interlock safety switch short circuit to battery, wiring issues, switch problems
P1803 Transmission Clutch Interlock Safety Switch Short Circuit To Ground (Manual Transmission Rangers) Transmission clutch interlock safety switch short circuit to ground, wiring issues, switch problems
P1804 4WD High Indicator Circuit Open/Shorted To Ground (4×4 Rangers) 4WD high indicator circuit open or shorted to ground, wiring issues, indicator light problems
P1805 4-Wheel Drive High Indicator Open Circuit (4×4 Rangers) 4WD high indicator circuit open, wiring issues, indicator light problems
P1806 4WD High Indicator Short To Battery (4×4 Rangers) 4WD high indicator short to battery, wiring issues, indicator light problems
P1807 4-Wheel Drive High Indicator Short Circuit to Ground (4×4 Rangers) 4WD high indicator short circuit to ground, wiring issues, indicator light problems
P1808 4WD Low Indicator Circuit Open/Short To Ground (4×4 Rangers) 4WD low indicator circuit open or shorted to ground, wiring issues, indicator light problems
P1809 4-Wheel Drive Low Indicator Open Circuit (4×4 Rangers) 4WD low indicator circuit open, wiring issues, indicator light problems
P1810 4WD Low Indicator Short To Battery (4×4 Rangers) 4WD low indicator short to battery, wiring issues, indicator light problems
P1811 4-Wheel Drive Low Indicator Short Circuit To Ground (4×4 Rangers) 4WD low indicator short circuit to ground, wiring issues, indicator light problems
P1812 4WD Mode Select Switch Circuit Open (4×4 Rangers) 4WD mode select switch circuit open, wiring issues, switch problems
P1813 4-Wheel Drive Mode Select Open Circuit (4×4 Rangers) 4WD mode select switch circuit open, wiring issues, switch problems
P1814 4-Wheel Drive Mode Select Short Circuit To Battery (4×4 Rangers) 4WD mode select switch circuit short circuit to battery, wiring issues, switch problems
P1815 4WD Mode Select Switch Circuit Short To Ground (4×4 Rangers) 4WD mode select switch circuit short circuit to ground, wiring issues, switch problems
P1816 Transmission Neutral Safety Switch Circuit Failure (Automatic Transmission Rangers) Transmission neutral safety switch circuit failure, wiring issues, switch problems
P1817 Transmission Neutral Safety Switch Open Circuit (Automatic Transmission Rangers) Transmission neutral safety switch open circuit, wiring issues, switch problems
P1818 Transmission Neutral Safety Switch Short Circuit To Battery (Automatic Transmission Rangers) Transmission neutral safety switch short circuit to battery, wiring issues, switch problems
P1819 Neutral Safety Switch Input Short To Ground Neutral safety switch input short to ground, wiring issues, switch problems
P1820 Transfer Case LO/HI Shift Relay Circuit Open/Short To Gnd (4×4 Rangers) Transfer case low/high shift relay circuit open or shorted to ground, wiring issues, relay problems
P1821 Transfer Case Clockwise Shift Relay Coil Open Circuit (4×4 Rangers) Transfer case clockwise shift relay coil open circuit, wiring issues, relay problems
P1822 Transfer Case LO/HI Shift Relay Coil Short To Battery (4×4 Rangers) Transfer case low/high shift relay coil short to battery, wiring issues, relay problems
P1823 Transfer Case Clockwise Shift Relay Coil Short Circuit To Ground (4×4 Rangers) Transfer case clockwise shift relay coil short circuit to ground, wiring issues, relay problems
P1824 4-Wheel Drive Clutch Relay Open/Short To Ground (4×4 Rangers) 4WD clutch relay open or shorted to ground, wiring issues, relay problems
P1825 4-Wheel Drive Clutch Relay Open Circuit (4×4 Rangers) 4WD clutch relay open circuit, wiring issues, relay problems
P1826 4-Wheel Drive Clutch Relay Short To Battery (4×4 Rangers) 4WD clutch relay short to battery, wiring issues, relay problems
P1827 4-Wheel Drive Low Clutch Relay Circuit To Ground (4×4 Rangers) 4WD low clutch relay circuit to ground, wiring issues, relay problems
P1828 Transfer Case HI/LO Shift Relay Coil Circuit Open/Short to Gnd (4×4 Rangers) Transfer case high/low shift relay coil circuit open or shorted to ground, wiring issues, relay problems
P1829 Transfer Case Counter Clockwise Shift Relay Coil Open Circuit (4×4 Rangers) Transfer case counter clockwise shift relay coil open circuit, wiring issues, relay problems
P1830 Transfer Case HI/LO Shift Relay Coil Circuit Short To Battery (4×4 Rangers) Transfer case high/low shift relay coil circuit short to battery, wiring issues, relay problems
P1831 Transfer Case Counter Clockwise Shift Relay Coil Short Circuit To Ground (4×4 Rangers) Transfer case counter clockwise shift relay coil short circuit to ground, wiring issues, relay problems
P1832 Transfer Case 4WD Solenoid Circuit Open/Short To Ground (4×4 Rangers) Transfer case 4WD solenoid circuit open or shorted to ground, wiring issues, solenoid problems
P1833 Transfer Case Differential Lock-Up Solenoid Open Circuit (4×4 Rangers) Transfer case differential lock-up solenoid open circuit, wiring issues, solenoid problems
P1834 Transfer Case 4WD Solenoid Circuit Short To Battery (4×4 Rangers) Transfer case 4WD solenoid circuit short to battery, wiring issues, solenoid problems
P1835 Transfer Case Differential Lock-Up Solenoid Short Circuit To Ground (4×4 Rangers) Transfer case differential lock-up solenoid short circuit to ground, wiring issues, solenoid problems
P1836 Transfer Case Front Shaft Speed Sensor Circuit Failure (4×4 Rangers) Transfer case front shaft speed sensor circuit failure, wiring issues, sensor problems
P1837 Transfer Case Rear Shaft Speed Sensor Circuit Failure (4×4 Rangers) Transfer case rear shaft speed sensor circuit failure, wiring issues, sensor problems
P1838 No Shift Motor Movement Detected (4×4 Rangers) Transfer case shift motor no movement detected, shift motor problems, transfer case mechanical issues
P1839 Transfer Case Shift Motor Open Circuit (4×4 Rangers) Transfer case shift motor open circuit, wiring issues, shift motor problems
P1840 Transfer Case Shift Motor Short Circuit To Battery (4×4 Rangers) Transfer case shift motor short circuit to battery, wiring issues, shift motor problems
P1841 Transfer Case Shift Motor Short Circuit To Battery (4×4 Rangers) Transfer case shift motor short circuit to battery, wiring issues, shift motor problems
P1842 Transfer Case Differential Lock-Up Feedback Switch Circuit Failure (4×4 Rangers) Transfer case differential lock-up feedback switch circuit failure, wiring issues, switch problems
P1843 Transfer Case Differential Lock-Up Feedback Switch Open Circuit (4×4 Rangers) Transfer case differential lock-up feedback switch open circuit, wiring issues, switch problems
P1844 Transfer Case Differential Lock-Up Feedback Switch Short Circuit To Battery (4×4 Rangers) Transfer case differential lock-up feedback switch short circuit to battery, wiring issues, switch problems
P1845 Transfer Case Differential Lock-Up Feedback Switch Short Circuit To Ground (4×4 Rangers) Transfer case differential lock-up feedback switch short circuit to ground, wiring issues, switch problems
P1846 Transfer Case Contact Plate ‘A’ Circuit Failure (4×4 Rangers) Transfer case contact plate ‘A’ circuit failure, transfer case shift motor contact plate issues, wiring issues
P1847 Transfer Case Contact Plate ‘A’ Open Circuit (4×4 Rangers) Transfer case contact plate ‘A’ open circuit, transfer case shift motor contact plate issues, wiring issues
P1848 Transfer Case Contact Plate ‘A’ Short Circuit To Battery (4×4 Rangers) Transfer case contact plate ‘A’ short circuit to battery, transfer case shift motor contact plate issues, wiring issues
P1849 Transfer Case Contact Plate ‘A’ Short Circuit To Ground (4×4 Rangers) Transfer case contact plate ‘A’ short circuit to ground, transfer case shift motor contact plate issues, wiring issues
P1850 Transfer Case Contact Plate ‘B’ Circuit Failure (4×4 Rangers) Transfer case contact plate ‘B’ circuit failure, transfer case shift motor contact plate issues, wiring issues
P1851 Transfer Case Contact Plate ‘B’ Open Circuit (4×4 Rangers) Transfer case contact plate ‘B’ open circuit, transfer case shift motor contact plate issues, wiring issues
P1852 Transfer Case Contact Plate ‘B’ Short Circuit To Battery (4×4 Rangers) Transfer case contact plate ‘B’ short circuit to battery, transfer case shift motor contact plate issues, wiring issues
P1853 Transfer Case Contact Plate ‘B’ Short Circuit To Ground (4×4 Rangers) Transfer case contact plate ‘B’ short circuit to ground, transfer case shift motor contact plate issues, wiring issues
P1854 Transfer Case Contact Plate ‘C’ Circuit Failure (4×4 Rangers) Transfer case contact plate ‘C’ circuit failure, transfer case shift motor contact plate issues, wiring issues
P1855 Transfer Case Contact Plate ‘C’ Open Circuit (4×4 Rangers) Transfer case contact plate ‘C’ open circuit, transfer case shift motor contact plate issues, wiring issues
P1856 Transfer Case Contact Plate ‘C’ Short Circuit To Battery (4×4 Rangers) Transfer case contact plate ‘C’ short circuit to battery, transfer case shift motor contact plate issues, wiring issues
P1857 Transfer Case Contact Plate ‘C’ Short Circuit To Ground (4×4 Rangers) Transfer case contact plate ‘C’ short circuit to ground, transfer case shift motor contact plate issues, wiring issues
P1858 Transfer Case Contact Plate ‘D’ Circuit Failure (4×4 Rangers) Transfer case contact plate ‘D’ circuit failure, transfer case shift motor contact plate issues, wiring issues
P1859 Transfer Case Contact Plate ‘D’ Open Circuit (4×4 Rangers) Transfer case contact plate ‘D’ open circuit, transfer case shift motor contact plate issues, wiring issues
P1860 Transfer Case Contact Plate ‘D’ Short Circuit To Battery (4×4 Rangers) Transfer case contact plate ‘D’ short circuit to battery, transfer case shift motor contact plate issues, wiring issues
P1861 Transfer Case Contact Plate ‘D’ Short Circuit To Ground (4×4 Rangers) Transfer case contact plate ‘D’ short circuit to ground, transfer case shift motor contact plate issues, wiring issues
P1862 Transfer Case Contact Plate Power Circuit Failure (4×4 Rangers) Transfer case contact plate power circuit failure, transfer case shift motor contact plate power supply issues, wiring issues
P1863 Transfer Case Contact Plate Power Open Circuit (4×4 Rangers) Transfer case contact plate power open circuit, transfer case shift motor contact plate power supply issues, wiring issues
P1864 Transfer Case Contact Plate Power Short to Battery (4×4 Rangers) Transfer case contact plate power short to battery, transfer case shift motor contact plate power supply issues, wiring issues
P1865 Transfer Case Contact Plate Power Short to Ground (4×4 Rangers) Transfer case contact plate power short to ground, transfer case shift motor contact plate power supply issues, wiring issues
P1866 Transfer Case Cannot Be Shifted (4×4 Rangers) Transfer case cannot be shifted, transfer case mechanical problems, shift motor issues, control system problems
P1867 Transfer Case Contact Plate General Circuit Failure (4×4 Rangers) Transfer case contact plate general circuit failure, transfer case shift motor contact plate issues, wiring issues
P1868 4-Wheel Drive Indicator (Lamp) Circuit Failure (4×4 Rangers) 4WD indicator lamp circuit failure, wiring issues, indicator lamp problems
P1869 4-Wheel Drive Indicator (Lamp) Circuit Short to Battery (4×4 Rangers) 4WD indicator lamp circuit short to battery, wiring issues, indicator lamp problems
P1870 Mechanical Transfer Case 4×4 Switch Circuit Failure (4×4 Rangers) Mechanical transfer case 4×4 switch circuit failure, wiring issues, switch problems (for Rangers with mechanical shift 4WD)
P1871 Mechanical Transfer Case 4×4 Switch Circuit Short To Battery (4×4 Rangers) Mechanical transfer case 4×4 switch circuit short to battery, wiring issues, switch problems (for Rangers with mechanical shift 4WD)
P1872 Mechanical 4-Wheel Drive Axle Lock Lamp Circuit Failure (4×4 Rangers) Mechanical 4WD axle lock lamp circuit failure, wiring issues, indicator lamp problems (if applicable to Ranger model with axle lock)
P1873 Mechanical Transfer Case 4×4 Switch Circuit Short To Battery (4×4 Rangers) Mechanical transfer case 4×4 switch circuit short to battery, wiring issues, switch problems (for Rangers with mechanical shift 4WD)
P1874 Transfer Case Hall Effect Sensor Power Circuit Failure (4×4 Rangers) Transfer case Hall effect sensor power circuit failure, wiring issues, sensor power supply problems
P1875 Transfer Case Hall Effect Sensor Power Circuit Short To Battery (4×4 Rangers) Transfer case Hall effect sensor power circuit short to battery, wiring issues, sensor power supply problems
P1876 Transfer Case 2WD Solenoid Circuit Failure (4×4 Rangers) Transfer case 2WD solenoid circuit failure, wiring issues, solenoid problems (if applicable to specific 4WD system)
P1877 Transfer Case 2WD Solenoid Circuit Short To Battery (4×4 Rangers) Transfer case 2WD solenoid circuit short to battery, wiring issues, solenoid problems (if applicable to specific 4WD system)
P1878 Transfer Case Disengaged Solenoid Circuit Failure (4×4 Rangers) Transfer case disengaged solenoid circuit failure, wiring issues, solenoid problems (if applicable to specific 4WD system)
P1879 Transfer Case Disengaged Solenoid Open Circuit (4×4 Rangers) Transfer case disengaged solenoid open circuit, wiring issues, solenoid problems (if applicable to specific 4WD system)
P1880 Transfer Case Disengaged Solenoid Short to Battery (4×4 Rangers) Transfer case disengaged solenoid short to battery, wiring issues, solenoid problems (if applicable to specific 4WD system)
P1881 Engine Coolant Level Switch Circuit Engine coolant level switch circuit problem, wiring issues, coolant level sensor problems
P1882 Engine Coolant Level Switch Circuit Short To Ground Engine coolant level switch circuit short to ground, wiring issues, coolant level sensor problems
P1883 Engine Coolant Level Switch Circuit Engine coolant level switch circuit problem, wiring issues, coolant level sensor problems
P1884 Engine Coolant Level Lamp Circuit Short To Ground Engine coolant level warning lamp circuit short to ground, wiring issues, indicator lamp problems
P1885 Transfer Case Disengaged Solenoid Short to Ground (4×4 Rangers) Transfer case disengaged solenoid short to ground, wiring issues, solenoid problems (if applicable to specific 4WD system)
P1886 4×4 Initialization Failure (4×4 Rangers) 4×4 system initialization failure, 4WD system control module issues, system programming problems
P1887 4-Wheel Drive Control Solenoid Circuit Failure (4×4 Rangers) 4WD control solenoid circuit failure, wiring issues, solenoid problems (if applicable to specific 4WD system)
P1888 Differential Oil temperature Sensor Circuit Failure (4×4 Rangers) Differential oil temperature sensor circuit failure, wiring issues, sensor problems (if applicable to Ranger model with differential oil temperature sensor)
P1889 Oil Pressure Pump Performance (If applicable) Oil pressure pump performance issue, oil pump problems (specific engine types)
P1890 4-Wheel Drive Mode Select Return Input Circuit Failure (4×4 Rangers) 4WD mode select return input circuit failure, wiring issues, switch/sensor feedback problems
P1891 Transfer Case Contact Plate Ground Return Open Circuit (4×4 Rangers) Transfer case contact plate ground return open circuit, transfer case shift motor contact plate ground circuit issues, wiring issues
P1892 Axle Disconnect Engagement Solenoid Circuit High (4×4 Rangers) Axle disconnect engagement solenoid circuit high voltage, wiring issues, solenoid problems (if applicable to Ranger model with axle disconnect system)
P1893 Axle Disconnect Engagement Solenoid Circuit Low (4×4 Rangers) Axle disconnect engagement solenoid circuit low voltage, wiring issues, solenoid problems (if applicable to Ranger model with axle disconnect system)
P1894 Axle Disconnect Disengagement Solenoid Circuit High (4×4 Rangers) Axle disconnect disengagement solenoid circuit high voltage, wiring issues, solenoid problems (if applicable to Ranger model with axle disconnect system)
P1895 Axle Disconnect Disengagement Solenoid Circuit Low (4×4 Rangers) Axle disconnect disengagement solenoid circuit low voltage, wiring issues, solenoid problems (if applicable to Ranger model with axle disconnect system)
P1896 Axle Disconnect Engagement Position Sensor Circuit High (4×4 Rangers) Axle disconnect engagement position sensor circuit high input, sensor problems, wiring issues (if applicable to Ranger model with axle disconnect system)
P1897 Axle Disconnect Engagement Position Sensor Circuit Low (4×4 Rangers) Axle disconnect engagement position sensor circuit low input, sensor problems, wiring issues (if applicable to Ranger model with axle disconnect system)
P1898 Axle Disconnect Indicator Circuit High (4×4 Rangers) Axle disconnect indicator circuit high voltage, wiring issues, indicator light problems (if applicable to Ranger model with axle disconnect system)
P1899 Axle Disconnect Indicator Circuit Low (4×4 Rangers) Axle disconnect indicator circuit low voltage, wiring issues, indicator light problems (if applicable to Ranger model with axle disconnect system)
P1900 Output Shaft Speed Sensor Circuit Intermittent Output shaft speed sensor circuit intermittent, wiring issues, sensor problems
P1901 Turbine Shaft Speed Sensor Circuit Intermittent Turbine shaft speed sensor circuit intermittent, wiring issues, sensor problems
P1902 Kickdown Solenoid Relay Control Circuit (Allison) (If applicable, specific to Allison transmissions in some Rangers) Kickdown solenoid relay control circuit problem, wiring issues, relay problems
P1903 Kickdown Solenoid Circuit Low Voltage Kickdown solenoid circuit low voltage, wiring issues, solenoid problems (automatic transmissions)
P1904 Kickdown Solenoid Circuit High Voltage Kickdown solenoid circuit high voltage, wiring issues, solenoid problems (automatic transmissions)
P1905 Control Module Configured for End-of-Line Test Mode Control module configured for end-of-line test mode, PCM programming status, module configuration issues
P1906 Kickdown Pull Relay Open Or Short To Ground (A4LD) (If applicable, specific to A4LD transmissions in older Rangers) Kickdown pull relay open or short to ground, wiring issues, relay problems
P1907 Kickdown Hold Relay Open Or Short To Ground (A4LD) (If applicable, specific to A4LD transmissions in older Rangers) Kickdown hold relay open or short to ground, wiring issues, relay problems
P1908 Transmission Pressure Control Solenoid Open or Short (A4LD) (If applicable, specific to A4LD transmissions in older Rangers) Transmission pressure control solenoid open or short circuit, wiring issues, solenoid problems
P1909 Transmission Fluid Temperature Sensor Circuit Open or Short (A4LD) (If applicable, specific to A4LD transmissions in older Rangers) Transmission fluid temperature sensor circuit open or short circuit, wiring issues, sensor problems
P1910 Reverse Lamp Control Circuit / Open Reverse lamp control circuit problem or open circuit, wiring issues, reverse light problems
P1911 Reverse Lamp Control Circuit Low Reverse lamp control circuit low voltage, wiring issues, reverse light problems
P1912 Reverse Lamp Control Circuit High Reverse lamp control circuit high voltage, wiring issues, reverse light problems
P1913 Sensor Ground Reference A Circuit/Open Sensor ground reference A circuit problem or open circuit, wiring issues, sensor grounding problems
P1914 Sensor Ground Reference A Circuit Low Sensor ground reference A circuit low voltage, wiring issues, sensor grounding problems
P1915 Sensor Ground Reference A Circuit High Sensor ground reference A circuit high voltage, wiring issues, sensor grounding problems
P1916 Sensor Ground Reference B Circuit/Open Sensor ground reference B circuit problem or open circuit, wiring issues, sensor grounding problems
P1917 Sensor Ground Reference B Circuit Low Sensor ground reference B circuit low voltage, wiring issues, sensor grounding problems
P1918 Sensor Ground Reference B Circuit High Sensor ground reference B circuit high voltage, wiring issues, sensor grounding problems
P1919 Engine Coolant Temperature Signal Engine coolant temperature signal issue, wiring issues, ECT sensor problems, PCM communication problems
P1920 Engine Speed Signal Engine speed signal issue, wiring issues, crankshaft position sensor problems, PCM communication problems
P1921 Transmission Range Signal Transmission range signal issue, wiring issues, transmission range sensor problems, PCM communication problems
P1922 Fuel Additive Level Circuit Fuel additive level sensor circuit problem, wiring issues, fuel additive system problems (if applicable to diesel Rangers with fuel additive systems)
P1923 Fuel Additive Level Circuit Range/Performance Fuel additive level sensor circuit range/performance issue, sensor reading inaccuracies, fuel additive system problems (if applicable to diesel Rangers with fuel additive systems)
P1924 Fuel Additive Level Circuit Low Fuel additive level sensor circuit low input, low fuel additive level, sensor problems, wiring issues (if applicable to diesel Rangers with fuel additive systems)
P1925 Fuel Additive Level Circuit High Fuel additive level sensor circuit high input, high fuel additive level (sensor malfunction), sensor problems, wiring issues (if applicable to diesel Rangers with fuel additive systems)
P1926 Fuel Additive Level Circuit Intermittent/Erratic Fuel additive level sensor circuit intermittent or erratic signal, wiring issues, sensor problems (if applicable to diesel Rangers with fuel additive systems)
P1927 Fuel Additive Level Circuit Too Low/Empty Fuel additive level circuit indicating fuel additive level too low or empty, low fuel additive level, sensor problems (if applicable to diesel Rangers with fuel additive systems)
P1928 Fuel Additive Pump Control Circuit / Open Fuel additive pump control circuit problem or open circuit, wiring issues, fuel additive pump problems (if applicable to diesel Rangers with fuel additive systems)
P1929 Fuel Additive Pump Control Circuit Performance Fuel additive pump control circuit performance issue, fuel additive pump control problems, wiring issues (if applicable to diesel Rangers with fuel additive systems)
P1930 Fuel Additive Pump Control Circuit Low Fuel additive pump control circuit low voltage, wiring issues, fuel additive pump problems (if applicable to diesel Rangers with fuel additive systems)
P1931 Fuel Additive Pump Control Circuit High Fuel additive pump control circuit high voltage, wiring issues, fuel additive pump problems (if applicable to diesel Rangers with fuel additive systems)
P1932 Fuel Additive Level Low Fuel additive level low condition, low fuel additive reservoir level (if applicable to diesel Rangers with fuel additive systems)
P1933 Fuel Level Signal Fuel level signal issue, wiring issues, fuel level sensor problems, PCM communication problems
P1934 Vehicle Speed Signal Vehicle speed signal issue, wiring issues, vehicle speed sensor problems, PCM communication problems
P1935 Brake Switch/Sensor Signal Brake switch or sensor signal issue, wiring issues, brake switch/sensor problems, PCM communication problems
P1936 Clutch Switch/Sensor Signal Clutch switch or sensor signal issue, wiring issues, clutch switch/sensor problems, PCM communication problems (manual transmission Rangers)
P1937 Fuel Fired Heater Control Circuit / Open (If applicable to diesel Rangers with fuel fired heaters) Fuel fired heater control circuit problem or open circuit, wiring issues, fuel fired heater system problems
P1938 Fuel Fired Heater Control Circuit Low (If applicable to diesel Rangers with fuel fired heaters) Fuel fired heater control circuit low voltage, wiring issues, fuel fired heater system problems
P1939 Fuel Fired Heater Control Circuit High (If applicable to diesel Rangers with fuel fired heaters) Fuel fired heater control circuit high voltage, wiring issues, fuel fired heater system problems

Understanding P1000-P1999 codes: These Ford-specific codes often require access to Ford repair information and potentially Ford-specific scan tools for accurate diagnosis. They can provide more granular detail than generic OBD2 codes, pointing to specific circuits, components, or system malfunctions within your Ford Ranger. Consulting a Ford technician or using a professional-grade scan tool is often advisable when dealing with these codes.

Using an OBD2 Scanner on Your Ford Ranger

Using an OBD2 scanner on your Ford Ranger is a straightforward process:

  1. Locate the OBD2 Port: The OBD2 port is typically located under the dashboard on the driver’s side. It’s usually near the steering column or fuse box and is trapezoidal in shape.
  2. Turn Ignition to “ON” (Engine OFF): Insert your key into the ignition and turn it to the “ON” position. This powers up the vehicle’s electrical systems without starting the engine.
  3. Plug in the OBD2 Scanner: Connect the OBD2 scanner to the port. Ensure it’s firmly plugged in.
  4. Power On the Scanner: Most scanners will power on automatically once connected. If not, there will be a power button.
  5. Read Codes: Navigate the scanner’s menu to find the “Read Codes” or “Diagnostic Codes” option. The scanner will communicate with your Ford Ranger’s computer and display any stored DTCs.
  6. Record the Codes: Write down or take a picture of the codes displayed on the scanner.
  7. Clear Codes (Optional and with Caution): Some scanners allow you to clear codes. However, only clear codes after you have recorded them and understood the potential issue. Clearing codes without addressing the underlying problem will likely result in the check engine light returning. Clearing codes may also reset emission monitors, which can be relevant for emissions testing.
  8. Interpret Codes: Use a resource like this guide to understand the meaning of the Ford Ranger OBD2 codes you’ve retrieved.

Conclusion

This comprehensive guide to Ford Ranger OBD2 codes provides a valuable starting point for troubleshooting your vehicle. Remember that OBD2 codes are diagnostic aids and not definitive diagnoses. While they point towards potential problem areas, further investigation and testing are often needed to pinpoint the exact cause of the issue.

For complex problems or if you are not comfortable performing automotive repairs, it is always best to consult a qualified mechanic. Regular vehicle maintenance and prompt attention to warning lights can help prevent many issues and keep your Ford Ranger running smoothly for years to come. Be sure to explore more content on techcarusa.com for further automotive troubleshooting tips and information to keep you informed and empowered on the road.

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