That dreaded check engine light – every Subaru owner knows it. It pops up on your dash, a tiny icon signaling potential trouble under the hood of your trusty Subaru Outback, Forester, or Impreza. Instead of immediately scheduling an expensive visit to the dealership, what if you could understand the problem yourself? Enter the OBD2 scanner, your secret weapon for decoding your Subaru’s health.
Since 1996, every car in the U.S., including your Subaru, has been equipped with an On-Board Diagnostic II (OBD2) system. This system is essentially your car’s nervous system, constantly monitoring everything from engine temperature to sensor readings. When something goes amiss, the system logs Diagnostic Trouble Codes (DTCs) and often illuminates that check engine light.
A quality OBD2 scanner allows you to tap into this wealth of information. It’s a tool that can save you time, money, and the headache of guesswork. While basic scanners read standardized codes, the Best Obd2 Scan Tool For Subaru vehicles will go further. They access manufacturer-specific codes, offering a deeper dive into your Subaru’s unique systems.
To help you find the right tool for your needs, we’ve consulted the Subaru community and compiled a list of top-recommended OBD2 scanners that are perfect for diagnosing your Subaru at home.
1. OBDLink MX+: SubaruOutback.org Community Favorite
The OBDLink brand is a popular choice within the Subaru community, and the MX+ model stands out for its performance and versatility. Its rapid Bluetooth connection ensures you get real-time live data streaming directly from your Subaru’s engine computer. This is invaluable for diagnosing intermittent issues or monitoring sensor behavior while driving.
Unlike some budget Bluetooth scanners limited to Android, the OBDLink MX+ is compatible with Apple iOS, Android, and Windows devices. OBDLink provides a free companion app, and the scanner works seamlessly with various third-party OBD2 apps available on the market, giving you flexibility in how you access and interpret your Subaru’s data.
Key Features of OBDLink MX+:
- Fast Bluetooth: Reliable and quick data transmission.
- Broad Compatibility: Works with iOS, Android, and Windows.
- OEM-Specific Codes: Accesses Subaru-specific diagnostic information beyond generic codes.
- Free OBDLink App: User-friendly interface for diagnostics and data viewing.
- 3-Year Warranty: Solid warranty for peace of mind.
- Safe to Leave Plugged In: Designed for continuous connection without draining battery.
2. ScanGauge II: More Than Just a Scanner
The ScanGauge II offers a unique proposition: it’s not just an OBD2 scanner; it’s also a customizable gauge display for your Subaru. While it performs all the standard diagnostic functions – reading and clearing trouble codes (both current and pending) – it goes above and beyond by providing a wealth of real-time vehicle data.
Its compact screen can display a variety of gauges, including RPM, speed, intake air temperature, fuel pressure, coolant temperature, and more. For Subaru owners interested in fuel efficiency, ScanGauge II can show instantaneous and average fuel consumption, and even calculate cost per mile. It also supports vehicle-specific gauges, including boost pressure for turbocharged Subaru models. This makes the ScanGauge II a valuable tool for both diagnostics and performance monitoring.
Key Features of ScanGauge II:
- Diagnostic Capabilities: Reads and clears OBDII trouble codes (generic and some manufacturer-specific).
- Real-time Gauges: Displays a wide range of vehicle parameters on its screen.
- Trip Computer Functions: Tracks fuel economy, trip distance, and more.
- Customizable Display: Backlit screen adjustable for day and night driving.
- Easy Installation: Plugs directly into the OBD2 port.
3. Innova 5610: Advanced Diagnostics for the Subaru DIYer
The Innova 5610 steps up the diagnostic game, offering features typically found in more professional-grade scan tools. It handles both basic OBD2 codes and manufacturer-specific codes for Subaru, providing comprehensive diagnostic coverage. Its large color screen clearly displays data, trouble codes, and even graphs of live sensor readings, making it easy to visualize your Subaru’s performance.
Beyond basic scanning, the Innova 5610 offers bi-directional control capabilities. This advanced feature allows you to send commands to vehicle modules and sensors – similar to what a dealership technician can do. You can test components like EGR valves, disable modules for isolation testing, and perform other active diagnostics. For the serious DIY Subaru mechanic, the Innova 5610 provides a powerful set of tools for in-depth troubleshooting.
Key Features of Innova 5610:
- Comprehensive Code Reading: Supports generic and manufacturer-specific codes for Subaru.
- Large Color Screen: Easy-to-read display for data and graphs.
- Bi-Directional Control: Allows active testing and module commands.
- Module Scanning: Scans various vehicle modules, including tire pressure monitoring systems (TPMS).
- Live Data Graphing: Visual representation of sensor data for analysis.
4. BlueDriver Pro: Smart Diagnostics with Repair Reports
The BlueDriver Pro is another highly-regarded OBD2 scan tool favored by Subaru owners. This Bluetooth-based scanner pairs with your smartphone or tablet and offers a user-friendly app experience. It reads and clears all standard OBD2 trouble codes, provides freeze frame data (a snapshot of vehicle conditions when a code was triggered), and displays live sensor data.
A standout feature of the BlueDriver Pro is its repair report function. For each trouble code, the app can generate a report detailing possible causes, common fixes reported by other vehicle owners, and other helpful diagnostic information. This can significantly streamline your troubleshooting process and help you pinpoint the problem faster. It also includes a smog check readiness test, which is useful for ensuring your Subaru will pass emissions inspections.
Key Features of BlueDriver Pro:
- Smartphone-Based: Uses Bluetooth and a user-friendly mobile app.
- Repair Reports: Provides detailed information and potential fixes for trouble codes.
- Freeze Frame Data: Captures vehicle conditions when codes are triggered.
- Live Data Streaming: Real-time sensor readings displayed on your device.
- Smog Check Readiness: Indicates if your Subaru is ready for emissions testing.
5. Autel AutoLink AL329: Professional Features for the DIY Budget
Autel is a well-known name in professional automotive diagnostics, often seen in workshops and garages. While they produce high-end diagnostic systems, the Autel AutoLink AL329 offers a more accessible option for the DIY Subaru owner. This standalone tool eliminates the need for smartphones or apps – simply plug it in and start diagnosing.
The AL329 features a color screen and a straightforward interface. It retrieves generic and manufacturer-specific codes, displays emissions readiness status, and shows freeze frame data. While it may not have all the advanced features of Autel’s top-tier systems, the AL329 provides essential diagnostic capabilities to help you keep your Subaru running smoothly, all at a very reasonable price point. If you prefer a dedicated handheld scanner without relying on a phone, the Autel AutoLink AL329 is a solid choice.
Key Features of Autel AutoLink AL329:
- Standalone Scanner: No smartphone or app required.
- Color Display: Clear and easy-to-read screen.
- Generic & Manufacturer Codes: Accesses both standard and Subaru-specific codes.
- Emissions Readiness: Checks smog test status.
- Freeze Frame Data: Captures vehicle data when trouble codes are set.
Having the best OBD2 scan tool for your Subaru empowers you to take control of your vehicle’s maintenance. Whether you choose a Bluetooth-enabled scanner for in-depth data and repair reports or a standalone unit for quick code checks, investing in one of these tools can save you money and keep your Subaru adventure-ready.
