All OBD2 Diagnostic Codes
Browse our complete database of 16000 diagnostic trouble codes.
C3800: Wheel Speed Sensor Malfunction
The wheel speed sensor malfunction code C3800 indicates a problem with the wheel speed sensor circuit, which is used to monitor the vehicle's speed and traction control.
C3801: Anti-lock Braking System (ABS) Pump Control Module Fault
The ABS pump control module has detected a fault in the ABS system, which may cause the ABS system to malfunction or not function at all.
C3802: Brake System Pressure Sensor Circuit Malfunction
The brake system pressure sensor circuit has malfunctioned, preventing the brake system from functioning properly.
C3803: 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.
C3804: Electric Power Steering (EPS) System Fault
The C3804 code indicates a fault in the Electric Power Steering (EPS) system, which may cause the steering to become difficult or unresponsive.
C3805: 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.
C3806: 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.
C3807: 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.
C3808: Anti-lock Brake System (ABS) Pump Control Module (PCM) Fault
The ABS system has detected a fault in the pump control module, which regulates the ABS pump's operation. This code indicates a problem with the pump's electrical circuit or the PCM's ability to control the pump.
C3809: Brake System Malfunction
The C3809 code indicates a malfunction in the brake system, likely due to a faulty brake sensor or a problem with the brake fluid level.
C3810: 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 ride quality.
Chassis System Code C3811 - Steering
Chassis system diagnostic trouble code related to steering operation.
C3812: 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.
C3813: Traction Control System Malfunction
The traction control system has detected a malfunction, which may be caused by a faulty wheel speed sensor, faulty ABS sensor, or a problem with the traction control module.
Chassis System Code C3814 - Wheel Speed Sensors
Chassis system diagnostic trouble code related to wheel speed sensors operation.
Chassis System Code C3815 - ABS System
Chassis system diagnostic trouble code related to abs system operation.
Chassis System Code C3816 - Brake System
Chassis system diagnostic trouble code related to brake system operation.
Chassis System Code C3817 - Suspension
Chassis system diagnostic trouble code related to suspension operation.
C3818: 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.
C3819: Electronic Stability Control (ESC) Malfunction
The Electronic Stability Control (ESC) system has detected a malfunction, which may cause loss of traction and stability.
C3820: 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.
C3821: 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.
C3822: 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.
C3823: 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.
C3824: Rear Suspension Lower Control Arm Fracture
This code indicates a fracture in the rear suspension lower control arm, which can cause uneven tire wear, vibration, and loss of handling stability.
C3825: Electric Power Steering (EPS) System Fault
The C3825 code indicates a fault in the Electric Power Steering (EPS) system, which may cause the steering to become difficult or unresponsive.
C3826: 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.
C3827: 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.
C3828: 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.
C3829: 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.
C3830: 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.
C3831: 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.
C3832: 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.
C3833: 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.
C3834: 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.
C3835: Wheel Speed Sensor Malfunction
The wheel speed sensor malfunction code C3835 indicates a problem with the wheel speed sensor circuit, which is used to monitor the vehicle's speed and traction control system.
C3836: 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.
C3837: Brake System Pressure Sensor Circuit Malfunction
The brake system pressure sensor circuit has malfunctioned, indicating a problem with the brake system's ability to maintain proper pressure.
C3838: 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.
C3839: 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.
C3840: 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.
C3841: 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 C3842 - Wheel Speed Sensors
Chassis system diagnostic trouble code related to wheel speed sensors operation.
C3843: ABS System Malfunction
The ABS system has detected a malfunction in the wheel speed sensor circuit, which can cause the ABS system to malfunction or not function at all.
Chassis System Code C3844 - Brake System
Chassis system diagnostic trouble code related to brake system operation.
C3845: 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.
C3846: Electric Power Steering (EPS) System Fault
The C3846 code indicates a fault in the Electric Power Steering (EPS) system, which may cause the steering to become difficult or unresponsive.
C3847: Electronic Stability Control (ESC) Malfunction
The Electronic Stability Control (ESC) system has detected a malfunction, which may cause loss of traction and stability.
C3848: 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.
Chassis System Code C3849 - Wheel Speed Sensors
Chassis system diagnostic trouble code related to wheel speed sensors operation.