All OBD2 Diagnostic Codes
Browse our complete database of 16000 diagnostic trouble codes.
B0900: Seat Position Sensor Malfunction
The seat position sensor has malfunctioned, preventing the seat from moving properly or triggering incorrect seat position warnings.
B0901: Body System Code - Lighting Malfunction
This code indicates a malfunction in the vehicle's lighting system, such as a faulty headlight, taillight, or turn signal.
B0902: Immobilizer System Malfunction
The immobilizer system has malfunctioned, preventing the vehicle from starting. This code is typically set when the immobilizer system detects a problem with the keyless entry system, ignition switch, or other related components.
B0903: Audio System Malfunction
The B0903 code indicates a malfunction in the audio system, which may cause issues with sound quality, volume control, or overall system functionality.
B0904: Airbag System Fault
The airbag system has detected a fault, which may be caused by a malfunctioning sensor, wiring issue, or faulty airbag module.
B0905: Climate Control Fan Motor Malfunction
The B0905 code indicates a malfunction in the climate control fan motor, which may cause the fan to stop working or operate intermittently.
B0906: Door Locks Malfunction
The B0906 code indicates a malfunction in the door lock system, which can cause issues with locking and unlocking the doors.
B0907: Power Window Relay Circuit Malfunction
This code indicates a problem with the power window relay circuit, which controls the movement of the windows. The issue may be related to a faulty relay, wiring, or a malfunctioning window switch.
B0908: Seat Position Sensor Malfunction
The seat position sensor is not functioning correctly, causing issues with seat adjustment and potentially affecting airbag deployment.
B0909: Body System Code - Lighting Malfunction
The B0909 code indicates a malfunction in the body control module's (BCM) lighting system. This can cause issues with the vehicle's exterior lights, such as the headlights, taillights, or turn signals.
B0910: Body Control Module (BCM) Security Malfunction
The Body Control Module (BCM) has detected a security malfunction, which may be caused by a faulty BCM, a malfunctioning sensor, or a wiring issue.
B0911: Audio System Malfunction
The B0911 code indicates a malfunction in the audio system, possibly due to a faulty amplifier, speaker, or wiring issue.
B0912: Airbag System Fault
The airbag system has detected a fault, which may be related to a malfunctioning sensor, wiring issue, or faulty airbag module.
B0913: Climate Control Blower Motor Fault
The B0913 code indicates a fault in the climate control blower motor circuit, which may cause the air conditioning or heating system to malfunction or not function at all.
B0914: Door Locks Actuator Circuit Malfunction
The Body Control Module (BCM) has detected a malfunction in the door locks actuator circuit, preventing proper door lock operation.
B0915: Window Regulator Motor Fault
The B0915 code indicates a fault in the window regulator motor, which is responsible for moving the window up and down. This fault can cause the window to malfunction or fail to operate.
B0916: Seat Position Sensor Circuit Malfunction
The seat position sensor circuit has malfunctioned, preventing the vehicle's computer from accurately detecting the seat's position, which can cause issues with seat adjustments and potentially affect airbag deployment.
B0917: Turn Signal Lamp Malfunction
The B0917 code indicates a malfunction in the turn signal lamp circuit, which can cause the turn signal lights to malfunction or not function at all.
B0918: Immobilizer System Malfunction
The immobilizer system has detected a malfunction, preventing the vehicle from starting. This code is typically caused by a faulty immobilizer module, key fob, or wiring issue.
B0919: Audio System Malfunction
This code indicates a malfunction in the audio system, possibly due to a faulty amplifier, speaker, or wiring issue.
B0920: Airbag System Fault
The airbag system has detected a fault, which may be due to a malfunctioning sensor, wiring issue, or faulty airbag module.
B0921: Climate Control Temperature Sensor Malfunction
The B0921 code indicates a malfunction in the climate control temperature sensor, which is responsible for monitoring the temperature of the air entering the vehicle's cabin.
B0922: Door Locks Malfunction
The B0922 code indicates a malfunction in the door lock system, which may cause doors to lock or unlock unexpectedly, or fail to lock or unlock at all.
B0923: Power Window Regulation Circuit Malfunction
The power window regulation circuit has malfunctioned, preventing the windows from operating properly.
B0924: Seat Position Sensor Circuit Malfunction
The seat position sensor circuit has malfunctioned, preventing the vehicle's computer from accurately detecting the seat's position, which can cause issues with seat adjustments and potentially affect airbag deployment.
B0925: Exterior Lighting Malfunction
The B0925 code indicates a malfunction in the exterior lighting system, such as the headlights, taillights, or turn signals.
B0926: Body System Security Malfunction
The B0926 code indicates a malfunction in the vehicle's security system, which may cause issues with door locks, alarm systems, or other security-related functions.
B0927: Audio System Malfunction
This code indicates a malfunction in the audio system, which may cause issues with sound quality, volume control, or system functionality.
B0928: Airbag System Fault
The airbag system has detected a fault, which may prevent the airbags from deploying in the event of a crash. This code is usually related to a malfunctioning airbag sensor or wiring issue.
B0929: Climate Control Fan Motor Malfunction
The B0929 code indicates a malfunction in the climate control fan motor, which may be due to a faulty motor, wiring issue, or faulty temperature sensor.
B0930: Door Locks Actuator Malfunction
The B0930 code indicates a malfunction in the door lock actuator, which controls the locking and unlocking of the doors. This can cause issues with door locking and unlocking, and may also trigger the airbag light on the dashboard.
B0931: Power Window Regulator Malfunction
The B0931 code indicates a malfunction in the power window regulator, which controls the movement of the window up and down. This code is often accompanied by symptoms such as slow or stuck windows, and may be caused by a faulty regulator, motor, or wiring issue.
B0932: Seat Position Sensor Circuit Malfunction
The seat position sensor circuit has malfunctioned, preventing the vehicle's computer from accurately detecting the seat's position. This can cause issues with seat adjustments, airbag deployment, and other safety features.
B0933: Turn Signal Lamp Malfunction
The B0933 code indicates a malfunction in the turn signal lamp circuit, which can cause the turn signals to malfunction or not function at all.
B0934: Body System Security Malfunction
The B0934 code indicates a malfunction in the vehicle's security system, which may cause issues with door locks, alarm systems, or other security-related functions.
B0935: Audio System Malfunction
The B0935 code indicates a malfunction in the audio system, potentially causing issues with sound quality, volume, or functionality.
B0936: Airbag System Fault
The airbag system has detected a fault in the deployment mechanism or wiring, preventing the airbags from functioning properly.
B0937: Climate Control Actuator Malfunction
The climate control system has detected a malfunction in the actuator, which regulates the flow of air and temperature in the vehicle. This code indicates that the actuator is not functioning correctly, causing issues with the climate control system.
B0938: Door Lock Actuator Circuit Malfunction
The B0938 trouble code indicates a malfunction in the door lock actuator circuit, which may prevent the doors from locking or unlocking properly.
B0939: Window Regulator Motor Circuit Malfunction
The B0939 code indicates a malfunction in the window regulator motor circuit, which controls the movement of the window glass.
B0940: Seat Position Sensor Malfunction
The seat position sensor has malfunctioned, preventing the vehicle's computer from accurately detecting the seat's position, which can cause issues with seat adjustments and potentially affect airbag deployment.
B0941: Body System Malfunction - Lighting
This code indicates a malfunction in the body control module's (BCM) lighting system, which may cause issues with the vehicle's exterior lights, such as the headlights, taillights, or brake lights.
B0942: Immobilizer System Malfunction
The immobilizer system has malfunctioned, preventing the vehicle from starting or running. This code is often caused by a faulty immobilizer module, key fob, or wiring issue.
B0943: Audio System Malfunction
This code indicates a malfunction in the audio system, possibly due to a faulty amplifier, speaker, or wiring issue.
B0944: Airbag System Malfunction
The airbag system has detected a malfunction, which may be caused by a faulty sensor, wiring issue, or software problem.
B0945: Climate Control Temperature Sensor Malfunction
The B0945 code indicates a malfunction in the climate control temperature sensor, which is responsible for monitoring the temperature of the air entering the vehicle's cabin.
B0946: Door Locks Actuator Malfunction
The Body Control Module (BCM) has detected a malfunction in the door lock actuator circuit, preventing proper door lock operation.
B0947: Power Window Regulator Malfunction
The power window regulator is malfunctioning, preventing the window from moving up or down properly.
B0948: Seat Switch Circuit Malfunction
The B0948 code indicates a malfunction in the seat switch circuit, which controls the seat's position and function. This can cause issues with seat adjustment, reclining, or even seatbelt operation.
B0949: Malfunction of Front Fog Lamp Relay
The B0949 code indicates a malfunction in the front fog lamp relay, which is responsible for controlling the front fog lamps. This can cause the fog lamps to malfunction or not turn on.