Manufacturer-specific Codes
While generic OBD2 codes are standardized across all vehicles, manufacturer-specific codes are unique to each car manufacturer. These codes provide even more specific information about issues with your vehicle and can be incredibly helpful in diagnosing and fixing problems.
On this page, you’ll find a wealth of articles covering a wide range of manufacturer-specific OBD2 codes, going beyond just an explanation of what they mean. Explore now!
In a hurry? Quickly jump to the code you're facing:
Volkswagen P129C: Fuel Pressure Regulator 2 Control Circuit Low
If your Volkswagen is triggering the P129C code, it's important to address the issue promptly to optimize your engine's performance. Read on now to learn more.
Volkswagen P129D: Fuel Pressure Regulator 2 Control Circuit High
If your Volkswagen is triggering the P129D code, it's important to address the issue promptly to optimize your engine's performance. Read on now to learn more.
Volkswagen P12A1: Fuel Rail Pressure Sensor Inappropriately Low
If your Volkswagen is triggering the P12A1 code, it's important to address the issue promptly to optimize your engine's performance. Read on now to learn more.
Volkswagen P12A2: Fuel Rail Pressure Sensor Inappropriately High
If your Volkswagen is triggering the P12A2 code, it's important to address the issue promptly to optimize your engine's performance. Read on now to learn more.
Volkswagen P12A4: Fuel Rail Pump Control Valve Stuck Closed
If your Volkswagen is triggering the P12A4 code, it's important to address the issue promptly to optimize your engine's performance. Read on now to learn more.
Volkswagen P1300: Misfire Detected Low Fuel
If your Volkswagen is triggering the P1300 code, it's important to address the issue promptly to optimize your engine's performance. Read on now to learn more.
Volkswagen P1321: Knock Sensor 3 Circuit Low Input
If your Volkswagen is triggering the P1321 code, it's important to address the issue promptly to optimize your engine's performance. Read on now to learn more.
Volkswagen P1322: Knock Sensor 3 Circuit High Input
If your Volkswagen is triggering the P1322 code, it's important to address the issue promptly to optimize your engine's performance. Read on now to learn more.
Volkswagen P1323: Knock Sensor 4 Circuit Low Input
If your Volkswagen is triggering the P1323 code, it's important to address the issue promptly to optimize your engine's performance. Read on now to learn more.
Volkswagen P1324: Knock Sensor 4 Circuit High Input
If your Volkswagen is triggering the P1324 code, it's important to address the issue promptly to optimize your engine's performance. Read on now to learn more.