All OBD2 Diagnostic Codes
Browse our complete database of 16000 diagnostic trouble codes.
C1900: 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 unusual noises.
C1901: 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.
C1902: 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.
C1903: Wheel Speed Sensor Malfunction
The wheel speed sensor malfunction code C1903 indicates a problem with the wheel speed sensor circuit, which is used to monitor the speed of the vehicle's wheels.
C1904: 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.
C1905: 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.
C1906: 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 comfort, and potentially affect vehicle stability.
C1907: Electric Power Steering (EPS) System Fault
The C1907 code indicates a fault in the Electric Power Steering (EPS) system, which may cause the steering to become difficult or unresponsive.
C1908: 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.
C1909: 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.
C1910: Wheel Speed Sensor Malfunction
The wheel speed sensor malfunction code C1910 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.
C1911: Anti-lock Brake System (ABS) Pump Control Module (PCM) Fault
The ABS pump control module has detected a fault in the ABS system, likely due to a malfunctioning sensor or faulty wiring.
C1912: 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.
C1913: Left Front Suspension Strut Friction Bushing Fault
The C1913 code indicates a fault in the left front suspension strut friction bushing, which can cause uneven tire wear, vibration, and noise while driving.
C1914: Electric Power Steering (EPS) Fault
The C1914 code indicates a fault in the Electric Power Steering (EPS) system, which may cause the steering to become difficult or unresponsive.
C1915: 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.
C1916: 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.
C1917: Wheel Speed Sensor Malfunction
The wheel speed sensor malfunction code C1917 indicates a problem with the wheel speed sensor circuit, which monitors the speed of the vehicle's wheels. This code is typically set when the sensor is not sending a valid signal to the vehicle's computer.
C1918: 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.
C1919: 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.
C1920: Suspension Damper Fault
The C1920 code indicates a fault in the suspension damper, which may be due to a faulty damper, incorrect installation, or worn-out components.
C1921: Steering Column Position Sensor Circuit Malfunction
The C1921 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.
C1922: 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.
C1923: 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.
C1924: Wheel Speed Sensor Malfunction
The wheel speed sensor malfunction code C1924 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.
C1925: 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.
C1926: Brake System Pressure Sensor Circuit Malfunction
The brake system pressure sensor circuit has malfunctioned, preventing the brake system from functioning properly.
C1927: Rear Suspension Strut Friction Bushing Fault
The C1927 code indicates a fault in the rear suspension strut friction bushing, which can cause uneven tire wear, vibrations, and reduced handling.
C1928: Steering Column Position Sensor Circuit Malfunction
The power steering column position sensor circuit has malfunctioned, causing the vehicle's computer to set this code. This sensor helps the vehicle's computer determine the correct steering ratio and assist the driver.
C1929: 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.
C1930: 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.
C1931: Wheel Speed Sensor Malfunction
The wheel speed sensor malfunction code C1931 indicates a problem with the wheel speed sensor circuit, which is used to monitor the vehicle's speed and traction control.
C1932: 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.
C1933: 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.
C1934: 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.
C1935: 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.
C1936: 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.
C1937: 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 ABS system.
C1938: 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.
C1939: 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.
C1940: 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.
C1941: Left Front Suspension Strut Friction Bushing Fault
This code indicates a fault in the left front suspension strut friction bushing, which can cause uneven tire wear, vibration, and noise.
C1942: Electric Power Steering (EPS) System Fault
The C1942 code indicates a fault in the Electric Power Steering (EPS) system, which may cause the steering to become difficult or unresponsive.
C1943: 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.
C1944: 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.
C1945: Wheel Speed Sensor Malfunction
The wheel speed sensor malfunction code C1945 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.
C1946: 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.
C1947: Brake System Pressure Sensor Circuit Malfunction
The brake system pressure sensor circuit has malfunctioned, indicating a problem with the brake system's hydraulic pressure. This code is specific to Toyota and Honda models. (Toyota)
C1948: Rear Suspension Strut Mount Failure
This code indicates a fault in the rear suspension strut mount, which can cause uneven tire wear, vibration, and reduced ride quality.
C1949: Electric Power Steering (EPS) System Fault
The C1949 code indicates a fault in the Electric Power Steering (EPS) system, which may cause the vehicle's steering to become difficult or unresponsive.