All OBD2 Diagnostic Codes
Browse our complete database of 16000 diagnostic trouble codes.
C1950: 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.
C1951: 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.
C1952: Wheel Speed Sensor Malfunction
The wheel speed sensor malfunction code C1952 indicates that the vehicle's anti-lock braking system (ABS) has detected an issue with one or more wheel speed sensors.
C1953: 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.
C1954: Brake System Pressure Sensor Circuit Malfunction
The brake system pressure sensor circuit has malfunctioned, preventing the brake system from functioning properly.
C1955: 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.
C1956: Steering Column Lock Actuator Circuit Malfunction
The steering column lock actuator circuit has malfunctioned, preventing the steering column from locking or unlocking properly. This code is specific to Ford vehicles. (Ford)
C1957: Electronic Stability Control (ESC) Malfunction
The Electronic Stability Control (ESC) system has detected a malfunction, which may cause reduced traction and stability control.
C1958: 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.
C1959: Wheel Speed Sensor Malfunction
The wheel speed sensor is not functioning properly, which can cause issues with the vehicle's anti-lock braking system (ABS) and traction control system. This code is specific to Toyota and Honda models. (Toyota, Honda)
C1960: ABS System Malfunction
The ABS system has detected a malfunction in the wheel speed sensor circuit. This code is specific to Toyota and may indicate a faulty sensor, wiring issue, or electronic control unit problem.
C1961: Brake System Malfunction
The brake system has malfunctioned, possibly due to a faulty brake sensor or a problem with the brake fluid level. (Toyota)
C1962: Rear Suspension Damper Fault
The C1962 code indicates a fault in the rear suspension damper, which may be causing uneven tire wear, vibration, or a bouncy ride.
C1963: Electric Power Steering (EPS) System Fault
The C1963 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 assist.
C1964: Electronic Stability Control (ESC) Malfunction
The Electronic Stability Control (ESC) system has detected a malfunction, which may cause loss of traction and stability.
C1965: 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.
C1966: 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.
C1967: 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.
C1968: 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.
C1969: Rear Suspension Height Sensor Circuit Malfunction
The C1969 code indicates a problem with the rear suspension height sensor circuit, which monitors the vehicle's ride height and suspension travel. This code is often triggered by a faulty sensor, wiring issue, or a problem with the suspension itself.
C1970: Steering Column Position Sensor Circuit Malfunction
The C1970 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.
C1971: 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.
C1972: 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.
C1973: Wheel Speed Sensor Malfunction
The wheel speed sensor malfunction code C1973 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.
C1974: ABS System Malfunction
The ABS system has malfunctioned, likely due to a faulty wheel speed sensor or a problem with the ABS module.
C1975: Brake System Pressure Sensor Circuit Malfunction
The brake system pressure sensor circuit has malfunctioned, causing the brake system to malfunction or not function properly.
C1976: 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.
C1977: Electric Power Steering (EPS) System Fault
The C1977 code indicates a fault in the Electric Power Steering (EPS) system, which may cause the vehicle's steering to become difficult or unresponsive.
C1978: Electronic Stability Control (ESC) Malfunction
The Electronic Stability Control (ESC) system has detected a malfunction, which may cause reduced traction and stability control.
C1979: 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.
C1980: Wheel Speed Sensor Malfunction
The wheel speed sensor malfunction code C1980 indicates a problem with the wheel speed sensor circuit, which is used to monitor the speed of the vehicle's wheels.
C1981: 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.
C1982: Brake System Pressure Sensor Circuit Malfunction
The brake system pressure sensor circuit has malfunctioned, causing the brake system to malfunction.
C1983: Left Front Suspension Strut Friction Bushing Fault
The C1983 code indicates a fault in the left front suspension strut friction bushing, which can cause uneven tire wear, vibration, and noise when driving.
C1984: 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.
C1985: 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.
C1986: 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.
C1987: Wheel Speed Sensor Malfunction
The wheel speed sensor malfunction code C1987 indicates a problem with the wheel speed sensor circuit, which is used to monitor the speed of the vehicle's wheels.
C1988: 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.
C1989: Brake System Pressure Sensor Circuit Malfunction
The brake system pressure sensor circuit has malfunctioned, causing the brake system to malfunction.
C1990: 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.
C1991: Steering Column Position Sensor Circuit Malfunction
The C1991 code indicates a problem with the steering column position sensor circuit, which helps the vehicle's computer determine the steering wheel's position and angle.
C1992: 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.
C1993: 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.
C1994: 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).
C1995: 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.
C1996: 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.
C1997: Rear Suspension Height Sensor Circuit Malfunction
The C1997 code indicates a malfunction in the rear suspension height sensor circuit, which monitors the vehicle's suspension height and sends signals to the onboard computer.
C1998: Steering Column Position Sensor Circuit Malfunction
The C1998 code indicates a problem with the steering column position sensor circuit, which helps the vehicle's computer determine the steering wheel's position and angle.
C1999: 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.