Understanding the diagnostic trouble codes (DTCs) in your 2012 Dodge Ram 2500 is crucial for maintaining its performance and longevity. When your check engine light illuminates, it signifies that your truck’s onboard diagnostic system has detected an issue. These issues are communicated through standardized OBD2 codes, which can seem cryptic at first glance. This comprehensive list focuses on the P0000-P0099 OBD2 codes specifically relevant to the 2012 Dodge Ram 2500, helping you understand potential problems and guide your repair decisions.
This guide provides a detailed breakdown of these codes, offering insights into what each code signifies. While this list is a valuable resource for initial diagnosis, remember that professional diagnosis with specialized tools is always recommended for accurate troubleshooting and repair. Ignoring these codes can lead to more significant problems and costly repairs down the line. Using this list, you can become more informed about your 2012 Dodge Ram 2500’s health and communicate effectively with your mechanic.
Please note: This list is for informational purposes only and should not be used as a substitute for professional automotive diagnosis and repair.
P0000 – P0099 OBD2 Codes for 2012 Dodge Ram 2500
| Code | Description | Potential Issues |
|---|---|---|
| P0001 | Fuel Volume Regulator Control Circuit/Open | Wiring issues, faulty fuel volume regulator, PCM failure |
| P0002 | Fuel Volume Regulator Control Circuit Range/Performance | Faulty fuel volume regulator, fuel pressure issues, PCM problems |
| P0003 | Fuel Volume Regulator Control Circuit Low | Short circuit in wiring, faulty fuel volume regulator, PCM malfunction |
| P0004 | Fuel Volume Regulator Control Circuit High | Open circuit in wiring, faulty fuel volume regulator, PCM issue |
| P0005 | Fuel Shutoff Valve A Control Circuit/Open | Wiring problems, faulty fuel shutoff valve, PCM failure |
| P0006 | Fuel Shutoff Valve A Control Circuit Low | Short circuit, faulty fuel shutoff valve, PCM malfunction |
| P0007 | Fuel Shutoff Valve A Control Circuit High | Open circuit, faulty fuel shutoff valve, PCM issue |
| P0008 | Engine Position System Performance Bank 1 | Timing chain/belt issues, camshaft/crankshaft sensor problems, mechanical engine damage |
| P0009 | Engine Position System Performance Bank 2 | Timing chain/belt issues, camshaft/crankshaft sensor problems, mechanical engine damage |
| P0010 | “A” Camshaft Position Actuator Circuit Bank 1 | Wiring issues, faulty camshaft actuator, PCM failure |
| P0011 | “A” Camshaft Position – Timing Over-Advanced or System Performance Bank 1 | Low oil pressure, faulty camshaft actuator, timing chain/belt issues, PCM malfunction |
| P0012 | “A” Camshaft Position – Timing Over-Retarded Bank 1 | Low oil pressure, faulty camshaft actuator, timing chain/belt issues, PCM malfunction |
| P0013 | “B” Camshaft Position Actuator Circuit Bank 1 | Wiring issues, faulty camshaft actuator, PCM failure |
| P0014 | “B” Camshaft Position – Timing Over-Advanced or System Performance Bank 1 | Low oil pressure, faulty camshaft actuator, timing chain/belt issues, PCM malfunction |
| P0015 | “B” Camshaft Position – Timing Over-Retarded Bank 1 | Low oil pressure, faulty camshaft actuator, timing chain/belt issues, PCM malfunction |
| P0016 | Crankshaft/Camshaft Misalignment/Synchronization | Timing chain/belt stretched or jumped, faulty sensors, mechanical engine issues |
| P0017 | Crankshaft Position – Camshaft Position Correlation Bank 1 Sensor B | Faulty sensors, timing chain/belt issues, PCM problems |
| P0018 | Crankshaft Position – Camshaft Position Correlation Bank 2 Sensor A | Faulty sensors, timing chain/belt issues, PCM problems |
| P0019 | Crankshaft Position – Camshaft Position Correlation Bank 2 Sensor B | Faulty sensors, timing chain/belt issues, PCM problems |
| P0020 | “A” Camshaft Position Actuator Circuit Bank 2 | Wiring issues, faulty camshaft actuator, PCM failure |
| P0021 | “A” Camshaft Position – Timing Over-Advanced or System Performance Bank 2 | Low oil pressure, faulty camshaft actuator, timing chain/belt issues, PCM malfunction |
| P0022 | “A” Camshaft Position – Timing Over-Retarded Bank 2 | Low oil pressure, faulty camshaft actuator, timing chain/belt issues, PCM malfunction |
| P0023 | “B” Camshaft Position Actuator Circuit Bank 2 | Wiring issues, faulty camshaft actuator, PCM failure |
| P0024 | “B” Camshaft Position – Timing Over-Advanced or System Performance Bank 2 | Low oil pressure, faulty camshaft actuator, timing chain/belt issues, PCM malfunction |
| P0025 | “B” Camshaft Position – Timing Over-Retarded Bank 2 | Low oil pressure, faulty camshaft actuator, timing chain/belt issues, PCM malfunction |
| P0026 | Intake Valve Control Solenoid Circuit Range/Performance Bank 1 | Faulty solenoid, wiring issues, PCM problems, valve train issues |
| P0027 | Exhaust Valve Control Solenoid Circuit Range/Performance Bank 1 | Faulty solenoid, wiring issues, PCM problems, valve train issues |
| P0028 | Intake Valve Control Solenoid Circuit Range/Performance Bank 2 | Faulty solenoid, wiring issues, PCM problems, valve train issues |
| P0029 | Exhaust Valve Control Solenoid Circuit Range/Performance Bank 2 | Faulty solenoid, wiring issues, PCM problems, valve train issues |
| P0030 | HO2S Heater Relay Malfunction Bank 1 Sensor 1 | Faulty relay, wiring issues, PCM failure, oxygen sensor heater problem |
| P0031 | HO2S Heater Control Circuit Low Bank 1 Sensor 1 | Short circuit in wiring, faulty oxygen sensor heater, PCM malfunction |
| P0032 | HO2S Heater Control Circuit High Bank 1 Sensor 1 | Open circuit in wiring, faulty oxygen sensor heater, PCM issue |
| P0033 | Turbo Charger Bypass Valve Control Circuit | Wiring issues, faulty bypass valve, PCM failure |
| P0034 | Turbo Charger Bypass Valve Control Circuit Low | Short circuit, faulty bypass valve, PCM malfunction |
| P0035 | Turbo Charger Bypass Valve Control Circuit High | Open circuit, faulty bypass valve, PCM issue |
| P0036 | HO2S Heater Relay Malfunction Bank 1 Sensor 2 | Faulty relay, wiring issues, PCM failure, oxygen sensor heater problem |
| P0037 | HO2S Heater Control Circuit Low Bank 1 Sensor 2 | Short circuit in wiring, faulty oxygen sensor heater, PCM malfunction |
| P0038 | HO2S Heater Control Circuit High Bank 1 Sensor 2 | Open circuit in wiring, faulty oxygen sensor heater, PCM issue |
| P0039 | Turbo/Super Charger Bypass Valve Control Circuit Range/Performance | Faulty bypass valve, vacuum leaks, boost control issues, wiring problems |
| P0040 | O2 Sensor Signals Swapped Bank 1 Sensor 1 / Bank 2 Sensor 1 | Incorrect sensor installation, wiring crossed, PCM issue |
| P0041 | O2 Sensor Signals Swapped Bank 1 Sensor 2 / Bank 2 Sensor 2 | Incorrect sensor installation, wiring crossed, PCM issue |
| P0042 | HO2S Heater Control Circuit Bank 1 Sensor 3 | Wiring issues, faulty oxygen sensor heater, PCM failure |
| P0043 | HO2S Heater Control Circuit Low Bank 1 Sensor 3 | Short circuit in wiring, faulty oxygen sensor heater, PCM malfunction |
| P0044 | HO2S Heater Control Circuit High Bank 1 Sensor 3 | Open circuit in wiring, faulty oxygen sensor heater, PCM issue |
| P0045 | Turbo/Super Charger Boost Control Solenoid Circuit/Open | Wiring problems, faulty boost control solenoid, vacuum leaks, PCM failure |
| P0046 | Turbo/Super Charger Boost Control Solenoid Circuit Range/Performance | Faulty solenoid, boost leaks, wiring issues, PCM problems |
| P0047 | Turbo/Super Charger Boost Control Solenoid Circuit Low | Short circuit, faulty boost control solenoid, wiring issues, PCM malfunction |
| P0048 | Turbo/Super Charger Boost Control Solenoid Circuit High | Open circuit, faulty boost control solenoid, wiring issues, PCM issue |
| P0049 | Turbo/Super Charger Turbine Overspeed | Overboost condition, faulty boost control, mechanical turbocharger issues |
| P0050 | HO2S Heater Control Circuit Bank 2 Sensor 1 | Wiring issues, faulty oxygen sensor heater, PCM failure |
| P0051 | HO2S Heater Control Circuit Low Bank 2 Sensor 1 | Short circuit in wiring, faulty oxygen sensor heater, PCM malfunction |
| P0052 | HO2S Heater Control Circuit High Bank 2 Sensor 1 | Open circuit in wiring, faulty oxygen sensor heater, PCM issue |
| P0053 | HO2S Heater Resistance Bank 1 Sensor 1 | Faulty oxygen sensor heater, wiring issues, PCM problem |
| P0054 | HO2S Heater Resistance Bank 1 Sensor 2 | Faulty oxygen sensor heater, wiring issues, PCM problem |
| P0055 | HO2S Heater Resistance Bank 1 Sensor 3 | Faulty oxygen sensor heater, wiring issues, PCM problem |
| P0056 | HO2S Heater Control Circuit Bank 2 Sensor 2 | Wiring issues, faulty oxygen sensor heater, PCM failure |
| P0057 | HO2S Heater Control Circuit Low Bank 2 Sensor 2 | Short circuit in wiring, faulty oxygen sensor heater, PCM malfunction |
| P0058 | HO2S Heater Control Circuit High Bank 2 Sensor 2 | Open circuit in wiring, faulty oxygen sensor heater, PCM issue |
| P0059 | HO2S Heater Resistance Bank 2 Sensor 1 | Faulty oxygen sensor heater, wiring issues, PCM problem |
| P0060 | HO2S Heater Resistance Bank 2 Sensor 2 | Faulty oxygen sensor heater, wiring issues, PCM problem |
| P0061 | HO2S Heater Resistance Bank 2 Sensor 3 | Faulty oxygen sensor heater, wiring issues, PCM problem |
| P0062 | HO2S Heater Control Circuit Bank 2 Sensor 3 | Wiring issues, faulty oxygen sensor heater, PCM failure |
| P0063 | HO2S Heater Control Circuit Low Bank 2 Sensor 3 | Short circuit in wiring, faulty oxygen sensor heater, PCM malfunction |
| P0064 | HO2S Heater Control Circuit High Bank 2 Sensor 3 | Open circuit in wiring, faulty oxygen sensor heater, PCM issue |
| P0065 | Air Assisted Injector Control Range/Performance | Faulty air injector, wiring issues, PCM problem, air supply issues |
| P0066 | Air Assisted Injector Control Circuit or Circuit Low | Wiring issues, faulty air injector, PCM malfunction |
| P0067 | Air Assisted Injector Control Circuit High | Wiring issues, faulty air injector, PCM issue |
| P0068 | MAP/MAF – Throttle Position Correlation | Faulty MAP/MAF sensor, throttle position sensor issue, vacuum leaks, intake leaks |
| P0069 | MAP – Barometric Pressure Correlation | Faulty MAP sensor, faulty barometric pressure sensor, altitude changes, PCM issue |
| P0070 | Ambient Air Temperature Sensor Circuit | Wiring issues, faulty ambient air temperature sensor, PCM failure |
| P0071 | Ambient Air Temperature Sensor Performance | Faulty sensor, sensor location issues, PCM problem |
| P0072 | Ambient Air Temperature Sensor Circuit Low | Short circuit, faulty ambient air temperature sensor, PCM malfunction |
| P0073 | Ambient Air Temperature Sensor Circuit High | Open circuit, faulty ambient air temperature sensor, PCM issue |
| P0074 | Ambient Air Temperature Sensor Circuit Intermittent | Intermittent wiring issue, loose connection, sensor problem, PCM issue |
| P0075 | Intake Valve Control Solenoid Circuit Bank 1 | Wiring issues, faulty solenoid, PCM failure |
| P0076 | Intake Valve Control Solenoid Circuit Low Bank 1 | Short circuit, faulty solenoid, PCM malfunction |
| P0077 | Intake Valve Control Solenoid Circuit High Bank 1 | Open circuit, faulty solenoid, PCM issue |
| P0078 | Exhaust Valve Control Solenoid Circuit Bank 1 | Wiring issues, faulty solenoid, PCM failure |
| P0079 | Exhaust Valve Control Solenoid Circuit Low Bank 1 | Short circuit, faulty solenoid, PCM malfunction |
| P0080 | Exhaust Valve Control Solenoid Circuit High Bank 1 | Open circuit, faulty solenoid, PCM issue |
| P0081 | Intake Valve Control Solenoid Circuit Bank 2 | Wiring issues, faulty solenoid, PCM failure |
| P0082 | Intake Valve Control Solenoid Circuit Low Bank 2 | Short circuit, faulty solenoid, PCM malfunction |
| P0083 | Intake Valve Control Solenoid Circuit High Bank 2 | Open circuit, faulty solenoid, PCM issue |
| P0084 | Exhaust Valve Control Solenoid Circuit Bank 2 | Wiring issues, faulty solenoid, PCM failure |
| P0085 | Exhaust Valve Control Solenoid Circuit Low Bank 2 | Short circuit, faulty solenoid, PCM malfunction |
| P0086 | Exhaust Valve Control Solenoid Circuit High Bank 2 | Open circuit, faulty solenoid, PCM issue |
| P0087 | Fuel Rail/System Pressure – Too Low | Fuel pump issues, fuel filter blockage, fuel pressure regulator malfunction, fuel leaks |
| P0088 | Fuel Rail/System Pressure – Too High | Fuel pressure regulator malfunction, faulty fuel pressure sensor, wiring issues |
| P0089 | Fuel Pressure Regulator 1 Performance | Faulty fuel pressure regulator, fuel system leaks, fuel pump issues |
| P0090 | Fuel Pressure Regulator 1 Control Circuit | Wiring issues, faulty fuel pressure regulator, PCM failure |
| P0091 | Fuel Pressure Regulator 1 Control Circuit Low | Short circuit, faulty fuel pressure regulator, PCM malfunction |
| P0092 | Fuel Pressure Regulator 1 Control Circuit High | Open circuit, faulty fuel pressure regulator, PCM issue |
| P0093 | Fuel System Leak Detected – Large Leak | Major fuel leak in the system, faulty fuel pump, fuel pressure regulator issues |
| P0094 | Fuel System Leak Detected – Small Leak | Minor fuel leak in the system, faulty fuel cap, leaking injectors, fuel line issues |
| P0095 | Intake Air Temperature Sensor 2 Circuit | Wiring issues, faulty IAT sensor 2, PCM failure |
| P0096 | Intake Air Temperature Sensor 2 Circuit Range/Performance | Faulty IAT sensor 2, sensor location issues, PCM problem |
| P0097 | Intake Air Temperature Sensor 2 Circuit Low | Short circuit, faulty IAT sensor 2, PCM malfunction |
| P0098 | Intake Air Temperature Sensor 2 Circuit High | Open circuit, faulty IAT sensor 2, PCM issue |
| P0099 | Intake Air Temperature Sensor 2 Circuit Intermittent | Intermittent wiring issue, loose connection, sensor problem, PCM issue |
Conclusion
This OBD2 code list for the 2012 Dodge Ram 2500 covering P0000-P0099 provides a starting point for understanding potential issues when your check engine light comes on. Remember to use this information as a guide for initial troubleshooting and communication with a certified mechanic. For accurate diagnosis and repair, always consult a professional technician who can use specialized tools and expertise to pinpoint the exact cause of the problem and ensure your 2012 Dodge Ram 2500 is running smoothly and reliably. Regular maintenance and prompt attention to warning lights are key to preventing minor issues from escalating into major, expensive repairs.
