Fault codes C05xx: ABS brakes, stability and all-wheel drive
Chassis codes common to all makes: brakes, stability, steering, suspension. A fault in braking, steering or stability can affect your safety: have it checked quickly by a professional.
Official codes: 256, from smallest to largest. Tap a code to get a direct link to share.
| Code | Meaning |
|---|---|
| C0500 | Anti-lock Brake System Disabled |
| C0501 | ESC Active Performance |
| C0502 | Left Front Wheel Speed Sensor A Circuit Low |
| C0503 | Left Front Wheel Speed Sensor A Circuit High |
| C0504 | Left Front Wheel Speed Sensor A Intermittent/Erratic |
| C0505 | ESC Switch Circuit |
| C0506 | Right Front Wheel Speed Sensor A Circuit/Open |
| C0507 | Right Front Wheel Speed Sensor A Range/Performance |
| C0508 | Right Front Wheel Speed Sensor A Circuit Low |
| C0509 | Right Front Wheel Speed Sensor A Circuit High |
| C050A | Right Front Wheel Speed Sensor A Intermittent/Erratic |
| C050B | Right Front Wheel Speed Sensor A Correlation |
| C050C | Left Rear Wheel Speed Sensor A Circuit/Open |
| C050D | Left Rear Wheel Speed Sensor A Range/Performance |
| C050E | Left Rear Wheel Speed Sensor A Circuit Low |
| C050F | Left Rear Wheel Speed Sensor A Circuit High |
| C0510 | Hill Hold Function Disabled |
| C0511 | Left Rear Wheel Speed Sensor A Correlation |
| C0512 | Right Rear Wheel Speed Sensor A Circuit/Open |
| C0513 | Right Rear Wheel Speed Sensor A Range/Performance |
| C0514 | Right Rear Wheel Speed Sensor A Circuit Low |
| C0515 | Right Rear Wheel Speed Sensor A Circuit High |
| C0516 | Right Rear Wheel Speed Sensor A Intermittent/Erratic |
| C0517 | Right Rear Wheel Speed Sensor A Correlation |
| C0518 | Left Front Wheel Speed Sensor - Mechanical |
| C0519 | Right Front Wheel Speed Sensor - Mechanical |
| C051A | Left Rear Wheel Speed Sensor - Mechanical |
| C051B | Right Rear Wheel Speed Sensor - Mechanical |
| C051C | Multi-axis Acceleration Sensor Module A Range/Performance |
| C051D | Multi-axis Acceleration Sensor Module A Missing Calibration |
| C051E | Multi-axis Acceleration Sensor Module A Intermittent/Erratic |
| C051F | Multi-axis Acceleration Sensor Module A Correlation |
| C0520 | Brake Pedal Force Sensor Circuit |
| C0521 | Multi-axis Acceleration Sensor Module B Range/Performance |
| C0522 | Multi-axis Acceleration Sensor Module B Missing Calibration |
| C0523 | Multi-axis Acceleration Sensor Module B Intermittent/Erratic |
| C0524 | Multi-axis Acceleration Sensor Module B Correlation |
| C0525 | Multi-axis Acceleration Sensor Module B |
| C0526 | Steering Angle Sensor Module |
| C0527 | Steering Angle Sensor Module Mechanical |
| C0528 | Steering Angle Sensor Module Range/Performance |
| C0529 | Steering Angle Sensor Module Missing Calibration |
| C052A | Steering Angle Sensor Module Correlation |
| C052B | ABS Pump Motor Control Range/Performance |
| C052C | ABS Pump Motor Control Circuit/Open |
| C052D | ABS Pump Motor Control Circuit High |
| C052E | ABS Pump Motor Control Circuit Low |
| C052F | ABS Pump Motor Supply Voltage Circuit/Open |
| C0530 | Motor Control A Range/Performance |
| C0531 | Motor Control A Circuit/Open |
| C0532 | Motor Control A Circuit High |
| C0533 | Motor Control A Circuit Low |
| C0534 | Motor Control A Supply Voltage Circuit/Open |
| C0535 | Motor Control B Range/Performance |
| C0536 | Motor Control B Circuit/Open |
| C0537 | Motor Control B Circuit High |
| C0538 | Motor Control B Circuit Low |
| C0539 | Motor Control B Supply Voltage Circuit/Open |
| C053A | ABS Valves Missing Calibration |
| C053B | ABS Valves Supply Voltage Circuit/Open |
| C053C | Wheel Speed Sensor Generic Range/Performance |
| C053D | Brake Pressure Sensor A Range/Performance |
| C053E | Brake Pressure Sensor A Circuit Low |
| C053F | Brake Pressure Sensor A Circuit High |
| C0540 | Hill Hold Control Performance |
| C0541 | Brake Pressure Sensor B Range/Performance |
| C0542 | Brake Pressure Sensor B Circuit Low |
| C0543 | Brake Pressure Sensor B Circuit High |
| C0544 | Brake Pressure Sensor B Circuit/Open |
| C0545 | VIN Not Programmed or Incompatible - BSCM |
| C0546 | VIN Not Programmed or Incompatible |
| C0547 | Vacuum Sensor Supply Voltage Circuit/Open |
| C0548 | Vacuum Sensor Supply Voltage Low |
| C0549 | Vacuum Sensor A Circuit/Open |
| C054A | Vacuum Sensor A Range/Performance |
| C054B | Vacuum Sensor A Circuit Low |
| C054C | Vacuum Sensor A Circuit High |
| C054D | Vacuum Sensor B Circuit/Open |
| C054E | Vacuum Sensor B Range/Performance |
| C054F | Vacuum Sensor B Circuit Low |
| C0550 | Encoder Position Switch Circuit |
| C0551 | Longitudinal Acceleration Sensor Circuit/Open |
| C0552 | Longitudinal Acceleration Sensor Range/Performance |
| C0553 | Longitudinal Acceleration Sensor Circuit Low |
| C0554 | Longitudinal Acceleration Sensor Circuit High |
| C0555 | Lateral Accelerometer Voltage Out of Range |
| C0556 | Brake Booster Pressure Sensor Performance |
| C0557 | Left Rear Wheel Speed Sensor A Incorrect Component Installed |
| C0558 | Right Rear Wheel Speed Sensor A Incorrect Component Installed |
| C0559 | Power Steering Control Module Range/Performance – Rear |
| C055A | ABS Pump Motor Supply Voltage Circuit A High |
| C055B | ABS Pump Motor Supply Voltage Circuit A Low |
| C055C | ABS Pump Motor Supply Voltage Circuit A Range/Performance |
| C055D | Brake Hydraulic Circuit B Leak |
| C055E | Brake Hydraulic Circuit A Leak |
| C055F | BSCM/EBBC Hydraulic Unit Performance |
| C0560 | Calibration Required |
| C0561 | ABS Disabled Warning Indicator Request |
| C0562 | Brake Pedal Position Sensor Supply Voltage Circuit/Open |
| C0563 | Calibration Mismatch |
| C0564 | ABS Control Module System Voltage Low |
| C0565 | ABS Control Module System Voltage High |
| C0566 | Brake Booster Solenoid Circuit/Open |
| C0567 | Brake Booster Solenoid Circuit Low |
| C0568 | Brake Booster Solenoid Circuit High |
| C0569 | Brake Booster Solenoid Circuit Performance |
| C056A | Brake Booster Pressure Sensor Power Supply Circuit |
| C056B | Brake Pressure Sensor A Intermittent/Erratic |
| C056C | Brake Pressure Sensor B Intermittent/Erratic |
| C056D | Brake Pedal Position Sensor Supply Voltage Circuit Low |
| C056E | Brake Pedal Position Sensor Supply Voltage Circuit High |
| C056F | Brake Booster Travel Sensor Circuit Low |
| C0570 | Brake Booster Travel Sensor Circuit High |
| C0571 | Active Brake Assist Performance |
| C0572 | Brake Pressure Sensor C Circuit High |
| C0573 | Electric Park Brake Switch Circuit Malfunction |
| C0574 | Brake Pressure Sensor C Circuit Range/Performance |
| C0575 | Park Brake Actuator Position Signal Malfunction |
| C0576 | Brake Pressure Sensor D Circuit High |
| C0577 | Park Brake Force Sensor Circuit Malfunction |
| C0578 | Park Brake Switch Stuck Open |
| C0579 | Brake Booster Temperature Sensor B Circuit Low |
| C057A | Brake Booster Temperature Sensor B Circuit High |
| C057B | Brake Booster Temperature Sensor B Circuit/Open |
| C057C | Brake Booster Temperature Sensor B Circuit Range/Performance |
| C057D | Brake Booster Temperature Sensor Circuit B Intermittent/Erratic |
| C057E | Brake Booster Temperature Sensor A/B Correlation |
| C057F | Brake Booster Motor A Phase U-V-W Circuit/Open |
| C0580 | Brake Booster Motor A Phase U-V-W Circuit Low |
| C0581 | Park Brake Apply Performance |
| C0582 | Brake Booster Motor A Phase U-V-W Circuit Range/Performance |
| C0583 | Park Brake Release Performance |
| C0584 | Brake Booster Motor B Phase U-V-W Circuit Low |
| C0585 | Brake Booster Motor B Phase U-V-W Circuit High |
| C0586 | Brake Booster Motor B Phase U-V-W Circuit Range/Performance |
| C0587 | Brake Booster Motor A Position Sensor Circuit/Open |
| C0588 | Brake Booster Motor A Position Sensor Circuit Low |
| C0589 | Brake Booster Motor A Position Sensor Circuit High |
| C058A | Brake Booster Motor A Position Sensor Circuit Range/Performance |
| C058B | Brake Booster Motor B Position Sensor Circuit/Open |
| C058C | Brake Booster Motor B Position Sensor Circuit Low |
| C058D | Brake Booster Motor B Position Sensor Circuit High |
| C058E | Brake Booster Motor B Position Sensor Circuit Range/Performance |
| C058F | Regeneration Torque Performance |
| C0590 | Brake Booster Motor A Phase U-V-W Current High |
| C0591 | Brake Booster Motor A Phase U-V-W Current Low |
| C0592 | Brake Booster Motor B Phase U-V-W Current High |
| C0593 | Brake Booster Motor B Phase U-V-W Current Low |
| C0594 | Brake Pedal Travel Sensor |
| C0595 | Brake Booster Internal Power Driver Range/Performance |
| C0596 | Brake Booster Motor A Current Sensor Circuit Range/Performance |
| C0597 | Brake System Control Module A Performance |
| C0598 | Brake System Control Module B Performance |
| C0599 | Brake Booster Control Module Missing Calibration |
| C059A | Power Steering Control Module - Rear Missing Calibration |
| C059B | Brake Pressure Sensor B Missing Calibration |
| C059C | Brake Pressure Sensor C Missing Calibration |
| C059D | Brake Pressure Sensor D Missing Calibration |
| C059E | Brake Pressure Sensor E Missing Calibration |
| C059F | Brake Pressure Sensor E Circuit Low |
| C05A0 | Brake Pressure Sensor E Circuit High |
| C05A1 | Brake Pressure Sensor E Circuit/Open |
| C05A2 | Brake Pressure Sensor E Range/Performance |
| C05A3 | Wheel Speed Sensors Supply Circuit High |
| C05A4 | Wheel Speed Sensors Supply Circuit Low |
| C05A5 | ABS Pump Motor Supply Voltage B Circuit/Open |
| C05A6 | ABS Pump Motor Supply Voltage B Circuit High |
| C05A7 | ABS Pump Motor Supply Voltage B Circuit Low |
| C05A8 | ABS Pump Motor Supply Voltage B Circuit Range/Performance |
| C05A9 | ABS Pump Motor Supply Voltage Circuit A/B Correlation |
| C05AA | ABS Pump Motor Temperature Too High |
| C05AB | Brake Blending Separation Valve Performance |
| C05AC | Brake Blending Separation Valve Stuck Closed |
| C05AD | Brake Blending System Performance |
| C05AE | ABS Pump Motor Calibration Not Learned |
| C05AF | Brake Booster Motor B Current Sensor Circuit Range/Performance |
| C05B0 | Brake Hydraulic Circuit C Leak |
| C05B1 | Brake Hydraulic Circuit D Leak |
| C05B2 | Steering Wheel Angle Sensor Signal - Yaw Rate Sensor Signal Correlation |
| C05B3 | Brake Booster Temperature Sensor C Circuit Low |
| C05B4 | Brake Booster Temperature Sensor C Circuit High |
| C05B5 | Brake Booster Temperature Sensor C Circuit/Open |
| C05B6 | Brake Booster Temperature Sensor C Circuit Range/Performance |
| C05B7 | Brake Booster Temperature Sensor C Circuit Intermittent/Erratic |
| C05B8 | Brake Booster Motor A Position Sensor Supply Circuit/Open |
| C05B9 | Brake Booster Motor A Position Sensor Supply Circuit Low |
| C05BA | Brake Booster Motor A Position Sensor Supply Circuit High |
| C05BB | Brake Booster Motor A Position Sensor Supply Circuit Range/Performance |
| C05BC | Brake Booster Motor B Position Sensor Supply Circuit/Open |
| C05BD | Brake Booster Motor B Position Sensor Supply Circuit Low |
| C05BE | Brake Booster Motor B Position Sensor Supply Circuit High |
| C05BF | Brake Booster Motor B Position Sensor Supply Circuit Range/Performance |
| C05C0 | Brake Pedal Position Sensor A Not Learned |
| C05C1 | Brake Pedal Position Sensor B Not Learned |
| C05C2 | Brake Booster Motor A Over Temperature |
| C05C3 | Brake Booster Motor A Supply Circuit |
| C05C4 | Brake Pressure Sensor F Missing Calibration |
| C05C5 | Brake Pressure Sensor F Circuit Range/Performance |
| C05C6 | Brake Pressure Sensor F Circuit Low |
| C05C7 | Brake Pressure Sensor F Circuit High |
| C05C8 | Brake Pressure Sensor F Circuit/Open |
| C05C9 | Brake Pressure Sensor Supply Circuit |
| C05CA | Brake Master Cylinder Piston Position Sensor A Circuit Voltage High |
| C05CB | Brake Master Cylinder Piston Position Sensor A Circuit Voltage Low |
| C05CC | Brake Master Cylinder Piston Position Sensor A Circuit Range/Performance |
| C05CD | Brake Master Cylinder Piston Position Sensor B Circuit Voltage High |
| C05CE | Brake Master Cylinder Piston Position Sensor B Circuit Voltage Low |
| C05CF | Brake Master Cylinder Piston Position Sensor B Circuit Range/Performance |
| C05D0 | Brake Master Cylinder Piston Position Sensor A/B Correlation |
| C05D1 | Brake Master Cylinder Piston Position Sensor Supply Circuit |
| C05D2 | Master Cylinder Piston Position Higher Than Expected |
| C05D3 | Driver Applied Pressure Higher Than Expected |
| C05D4 | Brake Master Cylinder Piston Position Sensor Calibration Not Learned |
| C05D5 | Brake Master Cylinder Cut Off Valve |
| C05D6 | Power Steering Control Module Processor Performance |
| C05D7 | Brake Transmission Shift Interlock (BTSI) Control Circuit |
| C05D8 | 4WD/AWD Clutch A Actuator Control Circuit/Open |
| C05D9 | 4WD/AWD Clutch A Actuator Control Circuit Performance |
| C05DA | 4WD/AWD Clutch A Actuator Control Circuit Low |
| C05DB | 4WD/AWD Clutch A Actuator Control Circuit High |
| C05DC | 4WD/AWD Clutch A Temperature Too High |
| C05DD | 4WD/AWD Clutch A Performance/Stuck Disengaged |
| C05DE | 4WD/AWD Clutch A Stuck Engaged |
| C05DF | 4WD/AWD Clutch A Engagement Fault |
| C05E0 | 4WD/AWD Clutch A Position Sensor Circuit |
| C05E1 | 4WD/AWD Clutch A Position Sensor Circuit Range/Performance |
| C05E2 | 4WD/AWD Clutch A Position Sensor Circuit Low |
| C05E3 | 4WD/AWD Clutch A Position Sensor Circuit High |
| C05E4 | 4WD/AWD Clutch A Position Sensor Circuit Intermittent |
| C05E5 | 4WD/AWD Clutch A Position Not Learned |
| C05E6 | 4WD/AWD Clutch A Position Control Error |
| C05E7 | 4WD/AWD Clutch B Actuator Control Circuit/Open |
| C05E8 | 4WD/AWD Clutch B Actuator Control Circuit Performance |
| C05E9 | 4WD/AWD Clutch B Actuator Control Circuit Low |
| C05EA | 4WD/AWD Clutch B Actuator Control Circuit High |
| C05EB | 4WD/AWD Clutch B Temperature Too High |
| C05EC | 4WD/AWD Clutch B Performance/Stuck Disengaged |
| C05ED | 4WD/AWD Clutch B Stuck Engaged |
| C05EE | 4WD/AWD Clutch B Engagement Fault |
| C05EF | 4WD/AWD Clutch B Position Control Error |
| C05F0 | Rear Drive Shaft Speed Sensor Circuit Low |
| C05F1 | Rear Drive Shaft Speed Sensor Circuit High |
| C05F2 | Rear Drive Shaft Speed Sensor Circuit Intermittent |
| C05F3 | Rear Drive Shaft Speed Sensor Circuit |
| C05F4 | Rear Drive Shaft Speed Sensor Circuit Range/Performance |
| C05F5 | 4WD/AWD Range Actuator Control Circuit/Open |
| C05F6 | 4WD/AWD Range Actuator Control Circuit Performance |
| C05F7 | 4WD/AWD Range Actuator Control Circuit Low |
| C05F8 | 4WD/AWD Range Actuator Control Circuit High |
| C05F9 | 4WD/AWD Range Actuator Temperature Too High |
| C05FA | 4WD/AWD Range Actuator Performance/Stuck |
| C05FB | 4WD/AWD Range Actuator Position Sensor Circuit |
| C05FC | 4WD/AWD Range Actuator Position Sensor Circuit Range/Performance |
| C05FD | 4WD/AWD Range Actuator Position Sensor Circuit Low |
| C05FE | 4WD/AWD Range Actuator Position Sensor Circuit High |
| C05FF | 4WD/AWD Range Actuator Position Not Learned |
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Official meanings: OBDex (public domain, CC0). Manufacturer codes: dtc-database (MIT license), probable meanings not verified by the manufacturers. The same meaning can vary depending on the model: always have a diagnosis confirmed by a professional.