OBD-II Code Decoder
Search the licensed P, B, C, and U reference library by code, definition, system, or manufacturer. Reference-only results are not a complete diagnosis.
Review-withheld definitions are excluded; lookup records are not published diagnostic pages.
Matching definitions: 499 · Unique codes: 498.
| Code | Meaning | System | Scope | Manufacturer | Severity |
|---|---|---|---|---|---|
| C0035 | Right Front Wheel Speed Sensor Supply | ABS & braking | Generic | Not manufacturer-specific | Not classified |
| C0040 | Brake Pedal Switch A | ABS & braking | Generic | Not manufacturer-specific | Not classified |
| C0045 | Brake Pressure Sensor B | ABS & braking | Generic | Not manufacturer-specific | Not classified |
| C0001 | TCS Control Channel A Valve 1 | Chassis | Generic | Not manufacturer-specific | Not classified |
| C0002 | TCS Control Channel A Valve 2 | Chassis | Generic | Not manufacturer-specific | Not classified |
| C0003 | TCS Control Channel B Valve 1 | Chassis | Generic | Not manufacturer-specific | Not classified |
| C0004 | TCS Control Channel B Valve 2 | Chassis | Generic | Not manufacturer-specific | Not classified |
| C0010 | Left Front Inlet Control | Chassis | Generic | Not manufacturer-specific | Not classified |
| C0011 | Left Front Outlet Control | Chassis | Generic | Not manufacturer-specific | Not classified |
| C0012 | Left Front Hydraulic Release Too Long | Chassis | Generic | Not manufacturer-specific | Not classified |
| C0014 | Right Front Inlet Control | Chassis | Generic | Not manufacturer-specific | Not classified |
| C0015 | Right Front Outlet Control | Chassis | Generic | Not manufacturer-specific | Not classified |
| C0016 | Right Front Hydraulic Release Too Long | Chassis | Generic | Not manufacturer-specific | Not classified |
| C0018 | Left Rear Inlet Control | Chassis | Generic | Not manufacturer-specific | Not classified |
| C0019 | Left Rear Outlet Control | Chassis | Generic | Not manufacturer-specific | Not classified |
| C001A | Left Rear Hydraulic Release Too Long | Chassis | Generic | Not manufacturer-specific | Not classified |
| C001C | Right Rear Inlet Control | Chassis | Generic | Not manufacturer-specific | Not classified |
| C001D | Right Rear Outlet Control | Chassis | Generic | Not manufacturer-specific | Not classified |
| C001E | Right Rear Hydraulic Release Too Long | Chassis | Generic | Not manufacturer-specific | Not classified |
| C0020 | ABS Pump Motor Control | Chassis | Generic | Not manufacturer-specific | Not classified |
| C0021 | Brake Booster Performance | Chassis | Generic | Not manufacturer-specific | Not classified |
| C0022 | Brake Booster Solenoid | Chassis | Generic | Not manufacturer-specific | Not classified |
| C0023 | Stop Lamp Control | Chassis | Generic | Not manufacturer-specific | Not classified |
| C0024 | Brake Pedal Feedback Pressure Solenoid Circuit | Chassis | Generic | Not manufacturer-specific | Not classified |
| C0025 | Brake Pedal Feedback Pressure Sensor Circuit | Chassis | Generic | Not manufacturer-specific | Not classified |
| C0030 | Left Front Tone Wheel | Chassis | Generic | Not manufacturer-specific | Not classified |
| C0031 | Left Front Wheel Speed Sensor | Chassis | Generic | Not manufacturer-specific | Not classified |
| C0032 | Left Front Wheel Speed Sensor Supply | Chassis | Generic | Not manufacturer-specific | Not classified |
| C0033 | Right Front Tone Wheel | Chassis | Generic | Not manufacturer-specific | Not classified |
| C0034 | Right Front Wheel Speed Sensor | Chassis | Generic | Not manufacturer-specific | Not classified |
| C0036 | Left Rear Tone Wheel | Chassis | Generic | Not manufacturer-specific | Not classified |
| C0037 | Left Rear Wheel Speed Sensor | Chassis | Generic | Not manufacturer-specific | Not classified |
| C0038 | Left Rear Wheel Speed Sensor Supply | Chassis | Generic | Not manufacturer-specific | Not classified |
| C0039 | Right Rear Tone Wheel | Chassis | Generic | Not manufacturer-specific | Not classified |
| C003A | Right Rear Wheel Speed Sensor | Chassis | Generic | Not manufacturer-specific | Not classified |
| C003B | Right Rear Wheel Speed Sensor Supply | Chassis | Generic | Not manufacturer-specific | Not classified |
| C003C | Rear Tone Wheel | Chassis | Generic | Not manufacturer-specific | Not classified |
| C003D | Rear Wheel Speed Sensor | Chassis | Generic | Not manufacturer-specific | Not classified |
| C003E | Rear Wheel Speed Sensor Supply | Chassis | Generic | Not manufacturer-specific | Not classified |
| C003F | Wheel Speed Sensors Rotation Direction Correlation | Chassis | Generic | Not manufacturer-specific | Not classified |
| C0040 | A faulty wheel speed sensor, A problem with the wheel speed sensor circuit, Reluctor issues, A problem with the ABS module | Chassis | Manufacturer-specific | Audi | Not classified |
| C0041 | Brake Pedal Switch B | Chassis | Generic | Not manufacturer-specific | Not classified |
| C0042 | Brake Pedal Position Sensor Circuit A | Chassis | Generic | Not manufacturer-specific | Not classified |
| C0043 | Brake Pedal Position Sensor Circuit B | Chassis | Generic | Not manufacturer-specific | Not classified |
| C0044 | Brake Pressure Sensor A | Chassis | Generic | Not manufacturer-specific | Not classified |
| C0046 | Brake Pressure Sensor A/B | Chassis | Generic | Not manufacturer-specific | Not classified |
| C0047 | Brake Booster Pressure Sensor | Chassis | Generic | Not manufacturer-specific | Not classified |
| C0048 | Brake Booster Travel Sensor | Chassis | Generic | Not manufacturer-specific | Not classified |
| C0049 | Brake Fluid Level | Chassis | Generic | Not manufacturer-specific | Not classified |
| C004A | Brake Lining Wear Sensor | Chassis | Generic | Not manufacturer-specific | Not classified |
No matching codes
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