All OBD2 Diagnostic Codes
Browse our complete database of 16000 diagnostic trouble codes.
C2400: 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.
C2401: 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.
C2402: Brake Pressure Modulator Switch Circuit Malfunction
The brake pressure modulator switch circuit has malfunctioned, preventing the brake system from functioning properly.
C2403: Rear Suspension Control Module (RSCM) Fault
The C2403 code indicates a fault in the Rear Suspension Control Module (RSCM), which regulates the rear suspension's height and damping. This fault can cause uneven tire wear, reduced ride quality, and decreased handling.
C2404: Steering Column Position Sensor Circuit Malfunction
The power steering column position sensor circuit has malfunctioned, causing the vehicle's computer to set a code. This can cause issues with the power steering system, such as difficulty steering or a loss of power steering assist.
C2405: Electronic Stability Control (ESC) Malfunction
The Electronic Stability Control (ESC) system has detected a malfunction, which can cause the vehicle to lose traction or stability, increasing the risk of an accident.
C2406: 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.
C2407: 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.
C2408: 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.
C2409: 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.
C2410: Suspension Damper or Mount Fault
This code indicates a problem with the suspension damper or mount, which can cause uneven tire wear, vibration, and reduced handling.
C2411: Steering Column Position Sensor Circuit Malfunction
The C2411 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 vehicle's steering system, including difficulty steering or erratic steering behavior.
C2412: 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.
C2413: 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.
C2414: 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.
C2415: 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.
C2416: Brake System Pressure Sensor Circuit Malfunction
The brake system pressure sensor circuit has malfunctioned, indicating a problem with the brake system's hydraulic pressure.
C2417: 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.
C2418: Electric Power Steering (EPS) Fault
The C2418 code indicates a fault in the Electric Power Steering (EPS) system, which may cause the steering to become difficult or unresponsive.
C2419: Electronic Stability Control (ESC) Malfunction
The Electronic Stability Control (ESC) system has detected a malfunction, which may cause reduced traction and stability control.
C2420: 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.
Chassis System Code C2421 - Wheel Speed Sensors
Chassis system diagnostic trouble code related to wheel speed sensors operation.
C2422: 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.
C2423: Brake Pressure Modulator Valve Fault
The brake pressure modulator valve is malfunctioning, causing uneven brake pressure distribution, which can lead to spongy or soft brake pedal feel.
C2424: Rear Suspension Strut Friction Bushing Fault
The C2424 code indicates a fault in the rear suspension strut friction bushing, which can cause uneven tire wear, vibrations, and reduced handling.
Chassis System Code C2425 - Steering
Chassis system diagnostic trouble code related to steering operation.
C2426: Electronic Stability Control (ESC) Malfunction
The Electronic Stability Control (ESC) system has detected a malfunction, which may cause reduced traction and stability control.
C2427: 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.
Chassis System Code C2428 - Wheel Speed Sensors
Chassis system diagnostic trouble code related to wheel speed sensors operation.
C2429: 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.
C2430: 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.
C2431: Left Rear Suspension Strut Friction Bushing Fault
The C2431 code indicates a fault in the left rear suspension strut friction bushing, which can cause uneven tire wear, vibration, and reduced handling.
C2432: 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.
C2433: Electronic Stability Control (ESC) Malfunction
The Electronic Stability Control (ESC) system has detected a malfunction, which may cause reduced traction and stability control.
C2434: 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.
C2435: 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, causing the computer to think the wheel is not rotating or is rotating at an incorrect speed.
C2436: 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.
C2437: 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.
C2438: Rear Suspension Strut Mount Failure
This code indicates a fault in the rear suspension strut mount, which can cause uneven tire wear, vibration, and noise.
C2439: Electric Power Steering (EPS) Fault
The C2439 code indicates a fault in the Electric Power Steering (EPS) system, which may cause the steering to become difficult or unresponsive.
C2440: Electronic Stability Control (ESC) Malfunction
The Electronic Stability Control (ESC) system has detected a malfunction, which may cause reduced traction and stability control.
C2441: 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.
Chassis System Code C2442 - Wheel Speed Sensors
Chassis system diagnostic trouble code related to wheel speed sensors operation.
Chassis System Code C2443 - ABS System
Chassis system diagnostic trouble code related to abs system operation.
C2444: 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.
C2445: Left Rear Suspension Strut Friction Bushing Fault
The C2445 code indicates a fault in the left rear suspension strut friction bushing, which can cause uneven tire wear, vibration, and reduced handling.
C2446: Steering Column Position Sensor Circuit Malfunction
The C2446 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 vehicle's steering system, such as difficulty steering or unusual noises.
C2447: 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.
C2448: 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.
C2449: 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.