All OBD2 Diagnostic Codes
Browse our complete database of 16000 diagnostic trouble codes.
C2500: Brake System Pressure Sensor Circuit Malfunction
The brake system pressure sensor circuit has malfunctioned, preventing the brake system from functioning properly.
C2501: Left Front Suspension Strut or Mount Failure
This code indicates a fault in the left front suspension strut or mount, which can cause uneven tire wear, vibration, and reduced handling.
C2502: 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.
C2503: Electronic Stability Control (ESC) Malfunction
The Electronic Stability Control (ESC) system has detected a malfunction, which may cause reduced traction and stability control.
C2504: 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.
C2505: 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 can cause the ABS to malfunction.
C2506: 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.
C2507: 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.
C2508: 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.
C2509: Electric Power Steering (EPS) System Fault
The C2509 code indicates a fault in the Electric Power Steering (EPS) system, which may cause the vehicle's steering to become difficult or unresponsive.
C2510: Electronic Stability Control (ESC) Malfunction
The Electronic Stability Control (ESC) system has detected a malfunction, which may cause reduced traction and stability while driving.
C2511: Traction Control System 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.
C2512: 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 may cause the ABS to malfunction.
C2513: 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.
C2514: 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.
C2515: Suspension Damper Solenoid Valve Circuit Malfunction
The C2515 code indicates a malfunction in the suspension damper solenoid valve circuit, which controls the damping of the suspension system. This can cause uneven tire wear, reduced ride comfort, and potentially affect vehicle stability.
C2516: Steering Column Position Sensor Circuit Malfunction
The C2516 code indicates a problem with the steering column position sensor circuit, which monitors the steering column's position and sends signals to the vehicle's computer. This malfunction can cause issues with the power steering system, steering wheel position, and potentially affect the vehicle's stability.
C2517: Electronic Stability Control (ESC) Malfunction
The Electronic Stability Control (ESC) system has detected a malfunction, which may cause loss of traction and stability.
C2518: Traction Control System 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.
C2519: 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.
C2520: 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.
Chassis System Code C2521 - Brake System
Chassis system diagnostic trouble code related to brake system operation.
C2522: Rear Suspension Height Sensor Circuit Malfunction
The C2522 code indicates a problem with the rear suspension height sensor circuit, which monitors the vehicle's ride height and suspension travel. This code is usually set when the sensor circuit is open or shorted, causing the vehicle's suspension to malfunction.
C2523: 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.
C2524: Electronic Stability Control (ESC) Malfunction
The Electronic Stability Control (ESC) system has detected a malfunction, which may cause reduced traction and stability while driving.
C2525: 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.
C2526: 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 can cause the ABS to malfunction.
C2527: 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.
Chassis System Code C2528 - Brake System
Chassis system diagnostic trouble code related to brake system operation.
C2529: 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.
C2530: Steering Column Position Sensor Circuit Malfunction
The C2530 code indicates a problem with the steering column position sensor circuit, which monitors the steering column's position and sends signals to the vehicle's computer.
C2531: Electronic Stability Control (ESC) Malfunction
The Electronic Stability Control (ESC) system has detected a malfunction, which may cause loss of traction or vehicle instability.
C2532: Traction Control System 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.
C2533: Wheel Speed Sensor Malfunction
The wheel speed sensor malfunction code C2533 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.
C2534: 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.
C2535: 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.
C2536: Rear Suspension Control Module (RSCM) Fault
The Rear Suspension Control Module (RSCM) has detected an issue with the rear suspension system, possibly due to a faulty sensor, wiring problem, or malfunctioning module.
C2537: 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.
C2538: 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.
C2539: Traction Control System 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.
C2540: 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).
Chassis System Code C2541 - ABS System
Chassis system diagnostic trouble code related to abs system operation.
Chassis System Code C2542 - Brake System
Chassis system diagnostic trouble code related to brake system operation.
C2543: Rear Suspension Control Module (RSCM) Fault
The Rear Suspension Control Module (RSCM) has detected an issue with the rear suspension system, such as a faulty sensor or wiring problem.
C2544: Electric Power Steering (EPS) Fault
The C2544 code indicates a fault in the Electric Power Steering (EPS) system, which may cause the steering to become difficult or unresponsive.
C2545: 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.
C2546: Traction Control System 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.
C2547: 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.
C2548: 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.
C2549: Brake System Pressure Sensor Circuit Malfunction
The brake system pressure sensor circuit has malfunctioned, causing the brake system to malfunction. This can cause the brake pedal to feel spongy or soft.