All OBD2 Diagnostic Codes
Browse our complete database of 16000 diagnostic trouble codes.
C0800: Suspension Damper or Shock Absorber Fault
This code indicates a fault in the suspension damper or shock absorber, which can cause uneven tire wear, reduced ride quality, and potentially affect vehicle stability.
C0801: Steering Column Position Sensor Circuit Malfunction
The powertrain control module (PCM) has detected a malfunction in the steering column position sensor circuit, which is used to monitor the steering column's position and angle.
C0802: Electronic Stability Control (ESC) Malfunction
The Electronic Stability Control (ESC) system has detected a malfunction, which may cause the vehicle to lose traction or stability.
C0803: Traction Control System Malfunction
The traction control system has malfunctioned, likely due to a faulty wheel speed sensor or a problem with the traction control module.
C0804: Wheel Speed Sensor Malfunction
The wheel speed sensor malfunction code indicates that the vehicle's anti-lock braking system (ABS) or traction control system (TCS) has detected an issue with one or more wheel speed sensors.
C0805: ABS System Malfunction
The ABS system has malfunctioned, likely due to a faulty wheel speed sensor or a problem with the ABS module.
C0806: Brake System Malfunction
The C0806 code indicates a malfunction in the brake system, likely due to a faulty brake sensor or a problem with the brake fluid level.
C0807: Rear Suspension Strut or Shock Absorber Fault
This code indicates a fault in the rear suspension strut or shock absorber, which can cause uneven tire wear, reduced ride quality, and potentially affect vehicle stability.
C0808: Steering Column Position Sensor Circuit Malfunction
The powertrain control module (PCM) has detected a malfunction in the steering column position sensor circuit, which is used to monitor the steering column's position and angle.
C0809: Electronic Stability Control (ESC) Malfunction
The Electronic Stability Control (ESC) system has detected a malfunction, which may cause the vehicle to lose traction or stability.
C0810: Traction Control System Malfunction
The traction control system has malfunctioned, likely due to a faulty wheel speed sensor or a problem with the traction control module.
C0811: Wheel Speed Sensor Malfunction
The wheel speed sensor malfunction code C0811 indicates a problem with the wheel speed sensor circuit, which is used to monitor the speed of the vehicle's wheels.
C0812: ABS System Malfunction
The ABS system has detected a malfunction in the wheel speed sensor circuit, which may cause the ABS system to malfunction or not function at all.
C0813: Brake System Pressure Sensor Circuit Malfunction
The brake system pressure sensor circuit has malfunctioned, causing the brake system to malfunction.
C0814: Suspension Damper or Mount Fault
This code indicates a problem with the suspension damper or mount, which can cause uneven tire wear, vibrations, and reduced handling.
C0815: Steering Column Position Sensor Circuit Malfunction
The power steering control module has detected a malfunction in the steering column position sensor circuit, which may cause erratic steering behavior or difficulty turning the wheels.
C0816: Electronic Stability Control (ESC) Malfunction
The Electronic Stability Control (ESC) system has detected a malfunction, which may cause the vehicle to lose traction or stability.
C0817: Traction Control System Malfunction
The traction control system has malfunctioned, likely due to a faulty wheel speed sensor or a problem with the traction control module.
C0818: Wheel Speed Sensor Malfunction
The wheel speed sensor malfunction code indicates that the vehicle's anti-lock braking system (ABS) or traction control system (TCS) has detected an issue with one or more wheel speed sensors.
C0819: ABS System Malfunction
The ABS system has detected a malfunction in the wheel speed sensor circuit, which may cause the ABS system to malfunction or not function at all.
C0820: Brake System Malfunction
The C0820 code indicates a malfunction in the brake system, possibly due to a faulty brake sensor, faulty brake switch, or a problem with the brake fluid level.
C0821: Suspension Damper or Shock Absorber Fault
This code indicates a fault in the suspension damper or shock absorber, which can cause uneven tire wear, reduced ride comfort, and potentially affect vehicle stability.
C0822: Steering Column Position Sensor Circuit Malfunction
The powertrain control module (PCM) has detected a malfunction in the steering column position sensor circuit, which is used to monitor the steering column's position and angle.
C0823: Electronic Stability Control (ESC) Malfunction
The Electronic Stability Control (ESC) system has detected a malfunction, which may cause reduced traction and stability control.
C0824: Traction Control System Malfunction
The traction control system has malfunctioned, likely due to a faulty wheel speed sensor or a problem with the traction control module.
C0825: Wheel Speed Sensor Malfunction
The wheel speed sensor malfunction code indicates a problem with the wheel speed sensor circuit, which can cause issues with the anti-lock braking system (ABS) and traction control system (TCS).
C0826: ABS System Malfunction
The ABS system has detected a malfunction in the wheel speed sensor circuit, which may cause the ABS system to malfunction or not function at all.
C0827: Brake System Malfunction
This code indicates a malfunction in the brake system, possibly due to a faulty brake sensor, faulty brake switch, or a problem with the brake fluid level.
C0828: Suspension Damper or Shock Absorber Fault
This code indicates a fault in the suspension damper or shock absorber, which can cause uneven tire wear, reduced ride quality, and potentially affect vehicle stability.
C0829: Steering Column Position Sensor Circuit Malfunction
The power steering control module has detected a malfunction in the steering column position sensor circuit, which may cause erratic steering behavior or difficulty turning the wheels.
C0830: Electronic Stability Control (ESC) Malfunction
The Electronic Stability Control (ESC) system has detected a malfunction, which may cause the vehicle to lose traction or stability.
C0831: Traction Control System Malfunction
The traction control system has malfunctioned, likely due to a faulty wheel speed sensor or a problem with the traction control module.
C0832: Wheel Speed Sensor Malfunction
The wheel speed sensor malfunction code indicates that the vehicle's anti-lock braking system (ABS) has detected an issue with one or more wheel speed sensors, which are used to monitor wheel speed and rotation.
C0833: ABS System Malfunction
The ABS system has malfunctioned, likely due to a faulty wheel speed sensor or a problem with the ABS module.
C0834: Brake System Pressure Sensor Circuit Malfunction
The brake system pressure sensor circuit has malfunctioned, indicating a problem with the brake system's ability to regulate pressure.
C0835: Rear Suspension Strut or Shock Absorber Fault
This code indicates a fault in the rear suspension strut or shock absorber, which can cause uneven tire wear, reduced ride quality, and loss of vehicle stability.
C0836: Steering Column Position Sensor Circuit Malfunction
The power steering column position sensor circuit has malfunctioned, causing the vehicle's computer to set this code. This sensor helps the vehicle's computer determine the correct steering ratio and assist the driver with power steering.
C0837: Electronic Stability Control (ESC) Malfunction
The Electronic Stability Control (ESC) system has detected a malfunction, which may cause reduced traction and stability control.
C0838: Traction Control System Malfunction
The traction control system has detected a malfunction, which may be caused by a faulty wheel speed sensor, a faulty ABS sensor, or a problem with the traction control module.
C0839: Wheel Speed Sensor Malfunction
The wheel speed sensor malfunction code indicates that the vehicle's anti-lock braking system (ABS) has detected an issue with one or more wheel speed sensors, which are used to monitor wheel speed and rotation.
C0840: ABS System Malfunction
The ABS system has malfunctioned, preventing the vehicle from functioning properly. This code indicates a problem with the ABS sensor or wiring.
C0841: Brake System Pressure Sensor Circuit Malfunction
The brake system pressure sensor circuit has malfunctioned, indicating a problem with the brake system's ability to regulate pressure.
C0842: Rear Suspension Strut or Shock Absorber Fault
This code indicates a fault in the rear suspension strut or shock absorber, which can cause uneven tire wear, reduced ride quality, and loss of vehicle stability.
C0843: Steering Column Position Sensor Circuit Malfunction
The powertrain control module (PCM) has detected a malfunction in the steering column position sensor circuit, which is used to monitor the steering column's position and angle.
C0844: Electronic Stability Control (ESC) Malfunction
The Electronic Stability Control (ESC) system has detected a malfunction, which may cause the vehicle to lose traction or stability.
C0845: Traction Control System Malfunction
The traction control system has malfunctioned, likely due to a faulty wheel speed sensor or a problem with the traction control module.
C0846: Wheel Speed Sensor Malfunction
The wheel speed sensor malfunction code indicates that the vehicle's anti-lock braking system (ABS) has detected an issue with one or more wheel speed sensors, which are responsible for monitoring wheel speed and rotation.
C0847: ABS System Malfunction
The ABS system has malfunctioned, likely due to a faulty wheel speed sensor or a problem with the ABS module.
C0848: Brake System Pressure Sensor Circuit Malfunction
The brake system pressure sensor circuit has malfunctioned, preventing the brake system from functioning properly.
C0849: Suspension Damper or Mount Fault
This code indicates a problem with the suspension damper or mount, which can cause uneven tire wear, vibrations, and reduced handling.