All OBD2 Diagnostic Codes
Browse our complete database of 16000 diagnostic trouble codes.
C0000: ABS System Malfunction
The ABS system has malfunctioned, preventing the vehicle from functioning properly. This code indicates a problem with the ABS sensor, module, or wiring.
C0001: Brake System Malfunction
This code indicates a problem with the brake system, such as low brake fluid level, faulty brake sensor, or malfunctioning brake booster.
C0002: 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.
C0003: Power Steering Pressure Sensor Circuit Malfunction
The power steering pressure sensor circuit has malfunctioned, causing the engine control module to set a code. This can cause the power steering system to malfunction or fail.
C0004: 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.
C0005: Traction Control Malfunction
The traction control system has detected a malfunction, which may be due to a faulty wheel speed sensor, faulty ABS sensor, or a problem with the traction control module.
C0006: 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 vehicle's anti-lock braking system (ABS) and traction control system.
C0007: ABS System Malfunction
The ABS system has detected a malfunction, likely due to a faulty wheel speed sensor or a problem with the ABS module.
C0008: Brake System Malfunction
This code indicates a malfunction in the brake system, such as a faulty brake sensor, a problem with the brake fluid level, or a faulty brake switch.
C0009: Suspension Damper or Mount Fault
This code indicates a fault in the suspension damper or mount, which can cause uneven tire wear, vibration, and reduced handling.
C0010: 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.
C0011: 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.
C0012: Traction Control Malfunction
The traction control system has malfunctioned, likely due to a faulty wheel speed sensor or a problem with the traction control module.
C0013: 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.
C0014: ABS System Malfunction
The ABS system has detected a malfunction, likely due to a faulty wheel speed sensor or a problem with the ABS module.
C0015: Brake System Malfunction
The C0015 code indicates a malfunction in the brake system, likely due to a faulty brake sensor or a problem with the brake fluid level.
C0016: Front Left Lower Control Arm Fracture
This code indicates a fracture in the front left lower control arm, which affects the suspension's ability to absorb bumps and maintain proper alignment.
C0017: 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.
C0018: Electronic Stability Control (ESC) Malfunction
The Electronic Stability Control (ESC) system has detected a malfunction, which may cause loss of traction and stability.
C0019: Traction Control Malfunction
The traction control system has malfunctioned, likely due to a faulty wheel speed sensor or a problem with the traction control module.
C0020: 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.
C0021: 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.
C0022: Brake System Malfunction
The C0022 code indicates a malfunction in the brake system, likely due to a faulty brake sensor or a problem with the brake fluid level.
C0023: Left Front Suspension Strut Friction Bushing Fault
The C0023 code indicates a fault in the left front suspension strut friction bushing, which can cause uneven tire wear, vibration, and noise.
C0024: Steering Column Position Sensor Circuit Malfunction
The power steering column position sensor circuit has malfunctioned, causing the vehicle's computer to detect an issue with the steering system.
C0025: Electronic Stability Control (ESC) Malfunction
The Electronic Stability Control (ESC) system has detected a malfunction, which can cause the vehicle to lose traction and stability.
C0026: Traction Control Malfunction
This code indicates a problem with the traction control system, which helps the vehicle maintain traction and stability. The system may be malfunctioning due to a faulty sensor, wiring issue, or software problem.
C0027: Wheel Speed Sensor Malfunction
A wheel speed sensor malfunction has been detected, which can cause traction control, anti-lock braking, and electronic stability control systems to malfunction.
C0028: 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.
C0029: Brake System Malfunction
This code indicates a malfunction in the brake system, such as a faulty brake sensor or a problem with the brake fluid level.
C0030: Suspension Damper or Mount Fault
This code indicates a fault in the suspension damper or mount, which can cause uneven tire wear, vibrations, and reduced handling.
C0031: Steering Column Position Sensor Circuit Malfunction
The power steering control module has detected an issue with the steering column position sensor circuit, which may cause erratic steering behavior or difficulty turning the wheels.
C0032: Electronic Stability Control (ESC) Malfunction
The Electronic Stability Control (ESC) system has detected a malfunction, which may cause reduced traction and stability control.
C0033: Traction Control System Malfunction
The traction control system has detected a malfunction, which may be caused by a faulty wheel speed sensor, a problem with the traction control module, or a wiring issue.
C0034: Wheel Speed Sensor Malfunction
This code indicates a problem with one or more wheel speed sensors, which monitor wheel rotation speed and send signals to the vehicle's computer. The sensor may be faulty, dirty, or damaged.
C0035: ABS System Malfunction
The ABS system has detected a malfunction, likely due to a faulty wheel speed sensor or a problem with the ABS module.
C0036: Brake System Malfunction
This code indicates a malfunction in the brake system, likely due to a faulty brake sensor or wiring issue.
C0037: Suspension Damper or Mount Fault
This code indicates a fault in the suspension damper or mount, which can cause uneven tire wear, vibrations, and reduced handling.
C0038: Electric Power Steering (EPS) System Fault
The C0038 code indicates a fault in the Electric Power Steering (EPS) system, which may cause the vehicle to pull to one side or have reduced steering effort.
C0039: 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.
C0040: Traction Control System Malfunction
The traction control system has detected a malfunction, which may be due to a faulty wheel speed sensor, faulty ABS sensor, or a problem with the traction control module.
C0041: 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.
C0042: ABS System Malfunction
The ABS system has malfunctioned, likely due to a faulty wheel speed sensor or a problem with the ABS module.
C0043: Brake System Pressure Sensor Circuit Malfunction
The brake system pressure sensor circuit has malfunctioned, causing the brake system to malfunction.
C0044: Suspension Damper or Mount Fault
This code indicates a fault in the suspension damper or mount, which can cause uneven tire wear, vibration, and reduced handling.
C0045: 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 issues with steering feel, stability, and safety.
C0046: 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.
C0047: Traction Control Malfunction
The traction control system has detected a malfunction, likely due to a faulty wheel speed sensor or a problem with the traction control module.
C0048: 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.
C0049: ABS System Malfunction
The ABS system has malfunctioned, likely due to a faulty wheel speed sensor or a problem with the ABS module.