All OBD2 Diagnostic Codes
Browse our complete database of 16000 diagnostic trouble codes.
B0850: Door Locks Malfunction
This code indicates a problem with the door lock system, preventing the doors from locking or unlocking properly.
B0851: Power Window Circuit Malfunction
The B0851 code indicates a malfunction in the power window circuit, which can cause windows to malfunction or fail to operate properly.
B0852: Seat Switch Circuit Malfunction
The B0852 code indicates a malfunction in the seat switch circuit, which controls the seat's position and functions.
B0853: Exterior Lighting Malfunction
The B0853 code indicates a malfunction in the exterior lighting system, such as the headlights, taillights, or turn signals.
B0854: Body System Security Malfunction
This code indicates a malfunction in the vehicle's security system, which can prevent the vehicle from starting or cause other security-related issues.
B0855: Audio System Malfunction
This code indicates a malfunction in the audio system, such as no sound or distorted sound, due to a problem with the amplifier, speakers, or wiring.
B0856: Airbag System Fault
The airbag system has detected a fault, which may be due to a problem with the airbag sensors, wiring, or control module.
B0857: Climate Control Fan Motor Malfunction
The B0857 code indicates a malfunction in the climate control fan motor, which may cause the fan to malfunction or not turn on at all.
B0858: Door Locks Module Malfunction
The B0858 code indicates a malfunction in the door locks module, which controls the operation of the door locks and windows. This can cause issues with locking and unlocking the doors, as well as problems with the automatic door lock/unlock feature.
B0859: Power Window Regulator Circuit Malfunction
This code indicates a problem with the power window regulator circuit, which controls the movement of the window glass. The regulator may be faulty, or there may be an issue with the circuit wiring or connections.
B0860: Seat Position Sensor Malfunction
The seat position sensor is faulty, causing the seat to malfunction or not function properly.
B0861: Turn Signal Flasher Malfunction
This code indicates a problem with the turn signal flasher circuit, which may cause the turn signals to malfunction or not function at all.
B0862: Immobilizer System Malfunction
The immobilizer system has detected a malfunction, preventing the vehicle from starting or running. This code is often triggered by a faulty immobilizer module, key fob, or wiring issue.
B0863: Audio System Malfunction
This code indicates a malfunction in the audio system, such as no sound, distorted sound, or inability to change tracks.
B0864: Airbag System Malfunction
The airbag system has detected a malfunction, possibly due to a faulty sensor or wiring issue, which may prevent the airbags from deploying in the event of a crash.
B0865: Climate Control Fan Motor Malfunction
This code indicates a malfunction in the climate control fan motor, which may cause the fan to stop working or operate erratically.
B0866: Door Locks Actuator Circuit Malfunction
The B0866 code indicates a malfunction in the door lock actuator circuit, which prevents the door locks from functioning properly.
B0867: Power Window Regulator Malfunction
This code indicates a problem with the power window regulator, which controls the movement of the window up and down. The regulator may be faulty, or there may be an issue with the wiring or motor.
B0868: Seat Position Sensor Circuit Malfunction
The seat position sensor circuit has malfunctioned, preventing the seat from moving or adjusting properly.
B0869: Exterior Lighting Malfunction
This code indicates a problem with the exterior lighting system, such as faulty headlight or taillight circuits, or a malfunctioning lighting control module.
B0870: Immobilizer System Malfunction
The immobilizer system, which prevents the engine from starting unless the correct key is present, has malfunctioned. This code indicates that the system is not functioning correctly, preventing the engine from starting.
B0871: Audio System Malfunction
The B0871 code indicates a malfunction in the audio system, possibly due to a faulty amplifier, speaker, or wiring issue.
B0872: Airbag System Error
The airbag system has detected an error, possibly due to a faulty sensor, wiring issue, or malfunctioning airbag module.
B0873: Climate Control Fan Motor Malfunction
The B0873 code indicates a malfunction in the climate control fan motor, which may cause the fan to stop working or operate intermittently.
B0874: Door Locks Actuator Malfunction
The B0874 code indicates a malfunction in the door lock actuator, which may cause the doors to malfunction or not lock/unlock properly.
B0875: Power Window Regulator Circuit Malfunction
This code indicates a problem with the power window regulator circuit, which controls the movement of the windows. The circuit may be faulty, or there may be an issue with the window regulator motor or switches.
B0876: Seat Adjuster Motor Fault
The seat adjuster motor is malfunctioning, preventing the seat from moving properly. This code is typically set when the seat adjuster motor is stuck or faulty.
B0877: Exterior Lighting Malfunction
This code indicates a problem with the exterior lighting system, such as a faulty headlight, taillight, or brake light.
B0878: Immobilizer System Malfunction
The immobilizer system, which is responsible for preventing unauthorized engine starts, has malfunctioned. This code indicates that the system is not functioning correctly, potentially causing the engine to fail to start or start intermittently.
B0879: Audio System Malfunction
This code indicates a malfunction in the audio system, such as no sound or distorted sound, due to a faulty amplifier, speaker, or wiring issue.
B0880: Airbag System Fault
This code indicates a fault in the airbag system, which may prevent the airbags from deploying in the event of a crash. The system may also trigger a warning light on the dashboard.
B0881: Climate Control Fan Not Operating
This code indicates a malfunction in the climate control fan, which may be due to a faulty fan motor, wiring issue, or a problem with the fan relay.
B0882: Door Locks Actuator Circuit Malfunction
The B0882 code indicates a malfunction in the door locks actuator circuit, which can cause issues with door locking and unlocking functions.
B0883: Power Window Regulator Fault
The power window regulator has failed, preventing the window from moving properly. This code is typically triggered when the window is stuck or fails to move when commanded.
B0884: Seat Switch Circuit Malfunction
The B0884 code indicates a malfunction in the seat switch circuit, which controls the operation of the seat, such as reclining, adjusting, or locking.
B0885: Exterior Lighting Malfunction
The B0885 code indicates a malfunction in the exterior lighting system, such as faulty headlights, taillights, or turn signals.
B0886: Body System Security Malfunction
The B0886 code indicates a malfunction in the vehicle's body system security functionality, which can cause issues with door locks, alarm systems, and other security-related components.
B0887: Audio System Fault
The B0887 code indicates a malfunction in the vehicle's audio system, which may cause issues with sound quality, volume control, or overall system functionality.
B0888: Airbag System Malfunction
The airbag system has malfunctioned, possibly due to a faulty sensor or wiring issue. This code indicates that the airbag system is not functioning properly and may not deploy in the event of an accident.
B0889: Climate Control Actuator Malfunction
The B0889 code indicates a malfunction in the climate control actuator, which regulates the flow of air and temperature in the vehicle's cabin.
B0890: Door Locks Actuator Fault
The Body Control Module (BCM) has detected a fault in the door lock actuator circuit, preventing proper door lock operation.
B0891: Power Window Relay Circuit Malfunction
The B0891 code indicates a malfunction in the power window relay circuit, which can cause windows to malfunction or not function at all.
B0892: Seat Switch Circuit Malfunction
The seat switch circuit has malfunctioned, preventing the seat from functioning properly. This code is typically set when the seat switch circuit is open or shorted.
B0893: Turn Signal Lamp Malfunction
The Body Control Module (BCM) has detected a malfunction in the turn signal lamp circuit, preventing the turn signal lights from functioning properly.
B0894: Immobilizer System Malfunction
The immobilizer system has malfunctioned, preventing the vehicle from starting or running. This code is typically caused by a faulty immobilizer module, key fob, or wiring issue.
B0895: Audio System Malfunction
The B0895 code indicates a malfunction in the audio system, causing issues with sound quality, volume control, or amplifier function.
B0896: 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 often related to issues with the airbag sensors, wiring, or electronic control unit.
B0897: Climate Control Actuator Malfunction
This code indicates a malfunction in the climate control actuator, which regulates the temperature and airflow in the vehicle's cabin.
B0898: Door Locks Actuator Circuit Malfunction
The Body Control Module (BCM) has detected a malfunction in the door locks actuator circuit, preventing proper door lock/unlock functionality.
B0899: Power Window Relay Circuit Malfunction
The power window relay circuit has malfunctioned, preventing the windows from functioning properly.