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 P1866: Data Bus Powertrain Missing Messages

By OBDCodex / February 11, 2024

If your Volkswagen is triggering the P1866 code, it's important to address the issue promptly to optimize your engine's performance. Read on now to learn more.

Volkswagen P1912: Brake Booster Pressure Sensor Short Circuit to B+

By OBDCodex / February 10, 2024

If your Volkswagen is triggering the P1912 code, it's important to address the issue promptly to optimize your engine's performance. Read on now to learn more.

Volkswagen P1913: Brake Booster Pressure Sensor Short Circuit to Ground

By OBDCodex / February 09, 2024

If your Volkswagen is triggering the P1913 code, it's important to address the issue promptly to optimize your engine's performance. Read on now to learn more.

Volkswagen P3028: Throttle Actuation 2 Potentiometer Sign.2 Range/Performance

By OBDCodex / February 11, 2024

If your Volkswagen is triggering the P3028 code, it's important to address the issue promptly to optimize your engine's performance. Read on now to learn more.

Volkswagen P3031: Throttle Actuator 2 Electrical Malfunction

By OBDCodex / February 13, 2024

If your Volkswagen is triggering the P3031 code, it's important to address the issue promptly to optimize your engine's performance. Read on now to learn more.

Volkswagen P3032: Idle Speed Control Throttle Position 2 Adaptation Malfunction

By OBDCodex / February 12, 2024

If your Volkswagen is triggering the P3032 code, it's important to address the issue promptly to optimize your engine's performance. Read on now to learn more.

Volkswagen P3035: Idle Speed Control Throttle Position 2 Mechanical Malfunction

By OBDCodex / February 09, 2024

If your Volkswagen is triggering the P3035 code, it's important to address the issue promptly to optimize your engine's performance. Read on now to learn more.

Volkswagen P3047: Activation starter relay 2 Short circuit to B+

By OBDCodex / February 09, 2024

If your Volkswagen is triggering the P3047 code, it's important to address the issue promptly to optimize your engine's performance. Read on now to learn more.

Volkswagen P3048: Activation starter relay 2 Short circuit to Ground (GND)

By OBDCodex / February 11, 2024

If your Volkswagen is triggering the P3048 code, it's important to address the issue promptly to optimize your engine's performance. Read on now to learn more.

Volkswagen P3049: Activation starter relay 2 Open circuit

By OBDCodex / February 09, 2024

If your Volkswagen is triggering the P3049 code, it's important to address the issue promptly to optimize your engine's performance. Read on now to learn more.