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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.

CodeMeaning
C0500Anti-lock Brake System Disabled
C0501ESC Active Performance
C0502Left Front Wheel Speed Sensor A Circuit Low
C0503Left Front Wheel Speed Sensor A Circuit High
C0504Left Front Wheel Speed Sensor A Intermittent/Erratic
C0505ESC Switch Circuit
C0506Right Front Wheel Speed Sensor A Circuit/Open
C0507Right Front Wheel Speed Sensor A Range/Performance
C0508Right Front Wheel Speed Sensor A Circuit Low
C0509Right Front Wheel Speed Sensor A Circuit High
C050ARight Front Wheel Speed Sensor A Intermittent/Erratic
C050BRight Front Wheel Speed Sensor A Correlation
C050CLeft Rear Wheel Speed Sensor A Circuit/Open
C050DLeft Rear Wheel Speed Sensor A Range/Performance
C050ELeft Rear Wheel Speed Sensor A Circuit Low
C050FLeft Rear Wheel Speed Sensor A Circuit High
C0510Hill Hold Function Disabled
C0511Left Rear Wheel Speed Sensor A Correlation
C0512Right Rear Wheel Speed Sensor A Circuit/Open
C0513Right Rear Wheel Speed Sensor A Range/Performance
C0514Right Rear Wheel Speed Sensor A Circuit Low
C0515Right Rear Wheel Speed Sensor A Circuit High
C0516Right Rear Wheel Speed Sensor A Intermittent/Erratic
C0517Right Rear Wheel Speed Sensor A Correlation
C0518Left Front Wheel Speed Sensor - Mechanical
C0519Right Front Wheel Speed Sensor - Mechanical
C051ALeft Rear Wheel Speed Sensor - Mechanical
C051BRight Rear Wheel Speed Sensor - Mechanical
C051CMulti-axis Acceleration Sensor Module A Range/Performance
C051DMulti-axis Acceleration Sensor Module A Missing Calibration
C051EMulti-axis Acceleration Sensor Module A Intermittent/Erratic
C051FMulti-axis Acceleration Sensor Module A Correlation
C0520Brake Pedal Force Sensor Circuit
C0521Multi-axis Acceleration Sensor Module B Range/Performance
C0522Multi-axis Acceleration Sensor Module B Missing Calibration
C0523Multi-axis Acceleration Sensor Module B Intermittent/Erratic
C0524Multi-axis Acceleration Sensor Module B Correlation
C0525Multi-axis Acceleration Sensor Module B
C0526Steering Angle Sensor Module
C0527Steering Angle Sensor Module Mechanical
C0528Steering Angle Sensor Module Range/Performance
C0529Steering Angle Sensor Module Missing Calibration
C052ASteering Angle Sensor Module Correlation
C052BABS Pump Motor Control Range/Performance
C052CABS Pump Motor Control Circuit/Open
C052DABS Pump Motor Control Circuit High
C052EABS Pump Motor Control Circuit Low
C052FABS Pump Motor Supply Voltage Circuit/Open
C0530Motor Control A Range/Performance
C0531Motor Control A Circuit/Open
C0532Motor Control A Circuit High
C0533Motor Control A Circuit Low
C0534Motor Control A Supply Voltage Circuit/Open
C0535Motor Control B Range/Performance
C0536Motor Control B Circuit/Open
C0537Motor Control B Circuit High
C0538Motor Control B Circuit Low
C0539Motor Control B Supply Voltage Circuit/Open
C053AABS Valves Missing Calibration
C053BABS Valves Supply Voltage Circuit/Open
C053CWheel Speed Sensor Generic Range/Performance
C053DBrake Pressure Sensor A Range/Performance
C053EBrake Pressure Sensor A Circuit Low
C053FBrake Pressure Sensor A Circuit High
C0540Hill Hold Control Performance
C0541Brake Pressure Sensor B Range/Performance
C0542Brake Pressure Sensor B Circuit Low
C0543Brake Pressure Sensor B Circuit High
C0544Brake Pressure Sensor B Circuit/Open
C0545VIN Not Programmed or Incompatible - BSCM
C0546VIN Not Programmed or Incompatible
C0547Vacuum Sensor Supply Voltage Circuit/Open
C0548Vacuum Sensor Supply Voltage Low
C0549Vacuum Sensor A Circuit/Open
C054AVacuum Sensor A Range/Performance
C054BVacuum Sensor A Circuit Low
C054CVacuum Sensor A Circuit High
C054DVacuum Sensor B Circuit/Open
C054EVacuum Sensor B Range/Performance
C054FVacuum Sensor B Circuit Low
C0550Encoder Position Switch Circuit
C0551Longitudinal Acceleration Sensor Circuit/Open
C0552Longitudinal Acceleration Sensor Range/Performance
C0553Longitudinal Acceleration Sensor Circuit Low
C0554Longitudinal Acceleration Sensor Circuit High
C0555Lateral Accelerometer Voltage Out of Range
C0556Brake Booster Pressure Sensor Performance
C0557Left Rear Wheel Speed Sensor A Incorrect Component Installed
C0558Right Rear Wheel Speed Sensor A Incorrect Component Installed
C0559Power Steering Control Module Range/Performance – Rear
C055AABS Pump Motor Supply Voltage Circuit A High
C055BABS Pump Motor Supply Voltage Circuit A Low
C055CABS Pump Motor Supply Voltage Circuit A Range/Performance
C055DBrake Hydraulic Circuit B Leak
C055EBrake Hydraulic Circuit A Leak
C055FBSCM/EBBC Hydraulic Unit Performance
C0560Calibration Required
C0561ABS Disabled Warning Indicator Request
C0562Brake Pedal Position Sensor Supply Voltage Circuit/Open
C0563Calibration Mismatch
C0564ABS Control Module System Voltage Low
C0565ABS Control Module System Voltage High
C0566Brake Booster Solenoid Circuit/Open
C0567Brake Booster Solenoid Circuit Low
C0568Brake Booster Solenoid Circuit High
C0569Brake Booster Solenoid Circuit Performance
C056ABrake Booster Pressure Sensor Power Supply Circuit
C056BBrake Pressure Sensor A Intermittent/Erratic
C056CBrake Pressure Sensor B Intermittent/Erratic
C056DBrake Pedal Position Sensor Supply Voltage Circuit Low
C056EBrake Pedal Position Sensor Supply Voltage Circuit High
C056FBrake Booster Travel Sensor Circuit Low
C0570Brake Booster Travel Sensor Circuit High
C0571Active Brake Assist Performance
C0572Brake Pressure Sensor C Circuit High
C0573Electric Park Brake Switch Circuit Malfunction
C0574Brake Pressure Sensor C Circuit Range/Performance
C0575Park Brake Actuator Position Signal Malfunction
C0576Brake Pressure Sensor D Circuit High
C0577Park Brake Force Sensor Circuit Malfunction
C0578Park Brake Switch Stuck Open
C0579Brake Booster Temperature Sensor B Circuit Low
C057ABrake Booster Temperature Sensor B Circuit High
C057BBrake Booster Temperature Sensor B Circuit/Open
C057CBrake Booster Temperature Sensor B Circuit Range/Performance
C057DBrake Booster Temperature Sensor Circuit B Intermittent/Erratic
C057EBrake Booster Temperature Sensor A/B Correlation
C057FBrake Booster Motor A Phase U-V-W Circuit/Open
C0580Brake Booster Motor A Phase U-V-W Circuit Low
C0581Park Brake Apply Performance
C0582Brake Booster Motor A Phase U-V-W Circuit Range/Performance
C0583Park Brake Release Performance
C0584Brake Booster Motor B Phase U-V-W Circuit Low
C0585Brake Booster Motor B Phase U-V-W Circuit High
C0586Brake Booster Motor B Phase U-V-W Circuit Range/Performance
C0587Brake Booster Motor A Position Sensor Circuit/Open
C0588Brake Booster Motor A Position Sensor Circuit Low
C0589Brake Booster Motor A Position Sensor Circuit High
C058ABrake Booster Motor A Position Sensor Circuit Range/Performance
C058BBrake Booster Motor B Position Sensor Circuit/Open
C058CBrake Booster Motor B Position Sensor Circuit Low
C058DBrake Booster Motor B Position Sensor Circuit High
C058EBrake Booster Motor B Position Sensor Circuit Range/Performance
C058FRegeneration Torque Performance
C0590Brake Booster Motor A Phase U-V-W Current High
C0591Brake Booster Motor A Phase U-V-W Current Low
C0592Brake Booster Motor B Phase U-V-W Current High
C0593Brake Booster Motor B Phase U-V-W Current Low
C0594Brake Pedal Travel Sensor
C0595Brake Booster Internal Power Driver Range/Performance
C0596Brake Booster Motor A Current Sensor Circuit Range/Performance
C0597Brake System Control Module A Performance
C0598Brake System Control Module B Performance
C0599Brake Booster Control Module Missing Calibration
C059APower Steering Control Module - Rear Missing Calibration
C059BBrake Pressure Sensor B Missing Calibration
C059CBrake Pressure Sensor C Missing Calibration
C059DBrake Pressure Sensor D Missing Calibration
C059EBrake Pressure Sensor E Missing Calibration
C059FBrake Pressure Sensor E Circuit Low
C05A0Brake Pressure Sensor E Circuit High
C05A1Brake Pressure Sensor E Circuit/Open
C05A2Brake Pressure Sensor E Range/Performance
C05A3Wheel Speed Sensors Supply Circuit High
C05A4Wheel Speed Sensors Supply Circuit Low
C05A5ABS Pump Motor Supply Voltage B Circuit/Open
C05A6ABS Pump Motor Supply Voltage B Circuit High
C05A7ABS Pump Motor Supply Voltage B Circuit Low
C05A8ABS Pump Motor Supply Voltage B Circuit Range/Performance
C05A9ABS Pump Motor Supply Voltage Circuit A/B Correlation
C05AAABS Pump Motor Temperature Too High
C05ABBrake Blending Separation Valve Performance
C05ACBrake Blending Separation Valve Stuck Closed
C05ADBrake Blending System Performance
C05AEABS Pump Motor Calibration Not Learned
C05AFBrake Booster Motor B Current Sensor Circuit Range/Performance
C05B0Brake Hydraulic Circuit C Leak
C05B1Brake Hydraulic Circuit D Leak
C05B2Steering Wheel Angle Sensor Signal - Yaw Rate Sensor Signal Correlation
C05B3Brake Booster Temperature Sensor C Circuit Low
C05B4Brake Booster Temperature Sensor C Circuit High
C05B5Brake Booster Temperature Sensor C Circuit/Open
C05B6Brake Booster Temperature Sensor C Circuit Range/Performance
C05B7Brake Booster Temperature Sensor C Circuit Intermittent/Erratic
C05B8Brake Booster Motor A Position Sensor Supply Circuit/Open
C05B9Brake Booster Motor A Position Sensor Supply Circuit Low
C05BABrake Booster Motor A Position Sensor Supply Circuit High
C05BBBrake Booster Motor A Position Sensor Supply Circuit Range/Performance
C05BCBrake Booster Motor B Position Sensor Supply Circuit/Open
C05BDBrake Booster Motor B Position Sensor Supply Circuit Low
C05BEBrake Booster Motor B Position Sensor Supply Circuit High
C05BFBrake Booster Motor B Position Sensor Supply Circuit Range/Performance
C05C0Brake Pedal Position Sensor A Not Learned
C05C1Brake Pedal Position Sensor B Not Learned
C05C2Brake Booster Motor A Over Temperature
C05C3Brake Booster Motor A Supply Circuit
C05C4Brake Pressure Sensor F Missing Calibration
C05C5Brake Pressure Sensor F Circuit Range/Performance
C05C6Brake Pressure Sensor F Circuit Low
C05C7Brake Pressure Sensor F Circuit High
C05C8Brake Pressure Sensor F Circuit/Open
C05C9Brake Pressure Sensor Supply Circuit
C05CABrake Master Cylinder Piston Position Sensor A Circuit Voltage High
C05CBBrake Master Cylinder Piston Position Sensor A Circuit Voltage Low
C05CCBrake Master Cylinder Piston Position Sensor A Circuit Range/Performance
C05CDBrake Master Cylinder Piston Position Sensor B Circuit Voltage High
C05CEBrake Master Cylinder Piston Position Sensor B Circuit Voltage Low
C05CFBrake Master Cylinder Piston Position Sensor B Circuit Range/Performance
C05D0Brake Master Cylinder Piston Position Sensor A/B Correlation
C05D1Brake Master Cylinder Piston Position Sensor Supply Circuit
C05D2Master Cylinder Piston Position Higher Than Expected
C05D3Driver Applied Pressure Higher Than Expected
C05D4Brake Master Cylinder Piston Position Sensor Calibration Not Learned
C05D5Brake Master Cylinder Cut Off Valve
C05D6Power Steering Control Module Processor Performance
C05D7Brake Transmission Shift Interlock (BTSI) Control Circuit
C05D84WD/AWD Clutch A Actuator Control Circuit/Open
C05D94WD/AWD Clutch A Actuator Control Circuit Performance
C05DA4WD/AWD Clutch A Actuator Control Circuit Low
C05DB4WD/AWD Clutch A Actuator Control Circuit High
C05DC4WD/AWD Clutch A Temperature Too High
C05DD4WD/AWD Clutch A Performance/Stuck Disengaged
C05DE4WD/AWD Clutch A Stuck Engaged
C05DF4WD/AWD Clutch A Engagement Fault
C05E04WD/AWD Clutch A Position Sensor Circuit
C05E14WD/AWD Clutch A Position Sensor Circuit Range/Performance
C05E24WD/AWD Clutch A Position Sensor Circuit Low
C05E34WD/AWD Clutch A Position Sensor Circuit High
C05E44WD/AWD Clutch A Position Sensor Circuit Intermittent
C05E54WD/AWD Clutch A Position Not Learned
C05E64WD/AWD Clutch A Position Control Error
C05E74WD/AWD Clutch B Actuator Control Circuit/Open
C05E84WD/AWD Clutch B Actuator Control Circuit Performance
C05E94WD/AWD Clutch B Actuator Control Circuit Low
C05EA4WD/AWD Clutch B Actuator Control Circuit High
C05EB4WD/AWD Clutch B Temperature Too High
C05EC4WD/AWD Clutch B Performance/Stuck Disengaged
C05ED4WD/AWD Clutch B Stuck Engaged
C05EE4WD/AWD Clutch B Engagement Fault
C05EF4WD/AWD Clutch B Position Control Error
C05F0Rear Drive Shaft Speed Sensor Circuit Low
C05F1Rear Drive Shaft Speed Sensor Circuit High
C05F2Rear Drive Shaft Speed Sensor Circuit Intermittent
C05F3Rear Drive Shaft Speed Sensor Circuit
C05F4Rear Drive Shaft Speed Sensor Circuit Range/Performance
C05F54WD/AWD Range Actuator Control Circuit/Open
C05F64WD/AWD Range Actuator Control Circuit Performance
C05F74WD/AWD Range Actuator Control Circuit Low
C05F84WD/AWD Range Actuator Control Circuit High
C05F94WD/AWD Range Actuator Temperature Too High
C05FA4WD/AWD Range Actuator Performance/Stuck
C05FB4WD/AWD Range Actuator Position Sensor Circuit
C05FC4WD/AWD Range Actuator Position Sensor Circuit Range/Performance
C05FD4WD/AWD Range Actuator Position Sensor Circuit Low
C05FE4WD/AWD Range Actuator Position Sensor Circuit High
C05FF4WD/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.