All OBD2 Diagnostic Codes
Browse our complete database of 16000 diagnostic trouble codes.
C1600: 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.
C1601: 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.
C1602: 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 Ford vehicles.
C1603: ABS System Malfunction
The ABS system has detected a malfunction in the wheel speed sensor circuit. This code is specific to Toyota and Honda models.
C1604: Brake System Malfunction
The brake system has malfunctioned, possibly due to a faulty brake sensor or a problem with the brake fluid level. (Ford)
C1605: Suspension Control Module (SCM) Fault
The Suspension Control Module (SCM) has detected a fault in the suspension system. This code is specific to Toyota and indicates a problem with the SCM's communication with the suspension sensors.
C1606: 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.
C1607: Electronic Stability Control (ESC) Malfunction
The Electronic Stability Control (ESC) system has detected a malfunction, which may cause reduced traction and stability control.
C1608: Traction Control System Malfunction
The traction control system has detected a malfunction, which may be caused by a faulty wheel speed sensor, a faulty ABS sensor, or a problem with the traction control module.
C1609: Wheel Speed Sensor Malfunction
The wheel speed sensor system has detected an irregularity in the wheel speed sensor signal, which may indicate a faulty sensor, wiring issue, or other problem.
C1610: 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.
C1611: 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.
C1612: 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.
C1613: 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.
C1614: 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.
C1615: 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.
C1616: 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.
C1617: 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.
C1618: Brake System Pressure Sensor Circuit Malfunction
The brake system pressure sensor circuit has malfunctioned, preventing the brake system from functioning properly.
C1619: 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.
C1620: 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.
C1621: 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.
C1622: Traction Control System Malfunction
The traction control system has detected a malfunction, which may be caused by a faulty wheel speed sensor, a faulty traction control module, or a problem with the vehicle's anti-lock braking system (ABS).
C1623: Wheel Speed Sensor Malfunction
The wheel speed sensor malfunction code C1623 indicates a problem with the wheel speed sensor circuit, which monitors the speed of the vehicle's wheels and sends the data to the vehicle's computer.
C1624: 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.
C1625: 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.
C1626: Rear Suspension Height Sensor Circuit Malfunction
The C1626 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.
C1627: 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.
C1628: 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.
C1629: 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.
C1630: 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.
C1631: 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.
C1632: 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.
C1633: 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.
C1634: 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.
C1635: Electronic Stability Control (ESC) Malfunction
The Electronic Stability Control (ESC) system has detected a malfunction, which may cause reduced traction and stability control.
C1636: 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.
C1637: 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.
C1638: 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.
C1639: Brake System Pressure Sensor Circuit Malfunction
The brake system pressure sensor circuit has malfunctioned, causing the brake system to malfunction.
C1640: 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.
C1641: 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.
C1642: 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.
C1643: 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.
C1644: 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.
C1645: 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.
C1646: 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.
C1647: 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.
C1648: 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.
C1649: 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, potentially leading to a loss of control.