All OBD2 Diagnostic Codes
Browse our complete database of 16000 diagnostic trouble codes.
C1850: 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.
C1851: Steering Column Position Sensor Circuit Malfunction
The C1851 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.
C1852: Electronic Stability Control (ESC) Malfunction
The Electronic Stability Control (ESC) system has detected a malfunction, which may cause reduced traction and stability control.
C1853: 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.
C1854: Wheel Speed Sensor Malfunction
The wheel speed sensor malfunction code indicates a problem with the wheel speed sensors, which monitor the speed of the vehicle's wheels and send the data to the vehicle's computer. This code is often triggered by a faulty or damaged wheel speed sensor, wiring issue, or a problem with the sensor's electrical connection.
C1855: ABS System Malfunction
The ABS system has malfunctioned, likely due to a faulty wheel speed sensor or a problem with the ABS module.
C1856: 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.
C1857: Rear Suspension Strut Failure
The C1857 code indicates a fault in the rear suspension strut, which may be due to worn-out or damaged components, such as the strut itself, the spring seat, or the strut mount.
C1858: 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.
C1859: 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.
C1860: 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.
C1861: Wheel Speed Sensor Malfunction
The wheel speed sensor malfunction code C1861 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.
C1862: 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.
C1863: Brake System Malfunction
The brake system malfunction code C1863 indicates a problem with the brake system's electronic control module (ECM) or the brake pedal position sensor. This code is specific to Toyota and Honda models.
C1864: Rear Suspension Control Arm Bushing Wear
This code indicates excessive wear on the rear suspension control arm bushings, which can cause uneven tire wear, vibrations, and reduced handling.
C1865: 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.
C1866: Electronic Stability Control (ESC) Malfunction
The Electronic Stability Control (ESC) system has detected a malfunction, which may cause reduced traction and stability control.
C1867: 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.
C1868: Wheel Speed Sensor Malfunction
The wheel speed sensor malfunction code C1868 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.
C1869: 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.
C1870: 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.
C1871: Left Front Suspension Strut Friction Bushing Fault
The C1871 code indicates a fault in the left front suspension strut friction bushing, which can cause uneven tire wear, vibration, and reduced handling.
C1872: 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 the power steering system.
C1873: 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.
C1874: 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.
C1875: 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.
C1876: 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.
C1877: Brake System Malfunction
The brake system malfunction code C1877 is specific to Toyota and indicates a problem with the brake system's electronic control module (ECM). The code may be triggered by a faulty brake sensor, a malfunctioning brake pedal switch, or a problem with the brake fluid level sensor.
C1878: Suspension Damper Solenoid Valve Circuit Malfunction
The C1878 code indicates a malfunction in the suspension damper solenoid valve circuit, which can cause uneven suspension operation, vibration, and reduced ride quality.
C1879: 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.
C1880: Electronic Stability Control (ESC) Malfunction
The Electronic Stability Control (ESC) system has detected a malfunction, which may cause loss of traction and stability.
C1881: 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.
C1882: 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. (Ford)
C1883: ABS System Malfunction
The ABS system has malfunctioned, likely due to a faulty wheel speed sensor or a problem with the ABS module.
C1884: Brake System Malfunction
The brake system malfunction code C1884 indicates a problem with the brake system's operation, which may be related to the brake pedal, brake fluid, or brake pads. (Toyota)
C1885: Suspension Damper or Mount Fault
The suspension damper or mount is faulty, causing uneven tire wear, vibration, or noise. (Toyota)
C1886: Steering Column Switch Circuit Malfunction
The C1886 code indicates a malfunction in the steering column switch circuit, which controls the steering column lock and unlock functions.
C1887: 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.
C1888: 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.
C1889: Wheel Speed Sensor Malfunction
The wheel speed sensor malfunction code C1889 indicates a problem with the wheel speed sensors, which monitor the speed of the vehicle's wheels and send the data to the vehicle's computer. This code is usually triggered when the sensor is faulty, dirty, or damaged.
C1890: 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.
C1891: 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.
C1892: 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 or wiring problem.
C1893: Electric Power Steering (EPS) Fault
The C1893 code indicates a fault in the Electric Power Steering (EPS) system, which may cause the steering to become difficult or unresponsive.
C1894: 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.
C1895: 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.
C1896: 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.
C1897: 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.
C1898: 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.
C1899: 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.