All OBD2 Diagnostic Codes
Browse our complete database of 16000 diagnostic trouble codes.
B0350: Body Control Module (BCM) Security Malfunction
The Body Control Module (BCM) has detected a security malfunction, likely due to a faulty or tampered-with immobilizer system.
B0351: Audio System Malfunction
The B0351 code indicates a malfunction in the audio system, possibly due to a faulty amplifier, speaker, or wiring issue.
B0352: Airbag System Fault
The airbag system has detected a fault, which may be due to a malfunctioning sensor, wiring issue, or faulty airbag module.
B0353: Climate Control Temperature Sensor Malfunction
The climate control system is not functioning correctly due to a malfunction in the temperature sensor, which is responsible for monitoring the temperature of the air being blown into the cabin.
B0354: Door Locks Actuator Circuit Malfunction
The B0354 code indicates a malfunction in the door locks actuator circuit, which prevents the door locks from functioning properly.
B0355: Power Window Regulator Circuit Malfunction
The power window regulator circuit has malfunctioned, preventing the window from moving properly. This code is typically set when the window is stuck or not moving as expected.
B0356: Seat Switch Circuit Malfunction
The B0356 code indicates a malfunction in the seat switch circuit, which controls the seat's position, recline, or lumbar support functions.
B0357: Low Beam Headlight Malfunction
The B0357 code indicates a malfunction in the low beam headlight circuit, which can cause the low beam headlights to fail or not function properly.
B0358: Immobilizer System Malfunction
The immobilizer system has malfunctioned, preventing the vehicle from starting or running. This code is typically set when the immobilizer system detects a faulty or missing key fob, or when the system is unable to communicate with the vehicle's computer.
B0359: Audio System Fault
The B0359 code indicates a fault in the audio system, which can cause issues with sound quality, volume control, or even the inability to play audio.
B0360: Airbag System Fault
A fault has been detected in the airbag system, which may prevent the airbags from deploying in the event of a crash.
B0361: Climate Control Fan Motor Malfunction
The B0361 code indicates a malfunction in the climate control fan motor, which may cause the fan to stop working or operate erratically.
B0362: Door Locks Actuator Malfunction
The B0362 code indicates a malfunction in the door lock actuator, which prevents the doors from locking or unlocking properly.
B0363: Power Window Regulator Malfunction
The B0363 code indicates a problem with the power window regulator, which controls the movement of the window up and down. This can cause the window to malfunction, stuck or not moving properly.
B0364: Seat Motor Control Circuit Malfunction
The B0364 code indicates a problem with the seat motor control circuit, which affects the proper functioning of the seats, such as failure to move or malfunctioning of the seat position sensors.
B0365: Turn Signal Light Malfunction
The B0365 code indicates a malfunction in the turn signal light circuit, which can cause the turn signals to malfunction or not function at all.
B0366: Immobilizer System Malfunction
The immobilizer system, which prevents the engine from starting without the correct key, has malfunctioned. This code indicates a problem with the system's communication or authentication process.
B0367: Audio System Malfunction
The B0367 code indicates a malfunction in the audio system, possibly due to a faulty amplifier, speaker, or wiring issue.
B0368: Airbag System Fault
The airbag system has detected a fault in the deployment mechanism or wiring, preventing the airbags from functioning properly.
B0369: Climate Control Blower Motor Resistor Fault
The B0369 code indicates a fault in the climate control blower motor resistor, which regulates the airflow through the vehicle's heating and air conditioning system.
B0370: Door Locks Malfunction
The B0370 code indicates a malfunction in the door lock system, causing issues with locking or unlocking the doors.
B0371: Power Window Regulator Malfunction
The power window regulator is malfunctioning, preventing the window from moving up or down properly.
B0372: 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, airbag deployment, and other safety features.
B0373: Illumination Control Module (ICM) Malfunction
The illumination control module (ICM) has detected a malfunction in the lighting system, which may be causing issues with the dashboard lights, brake lights, or turn signals.
B0374: Immobilizer System Malfunction
The immobilizer system, which prevents the engine from starting without the correct key, has malfunctioned. This code indicates a problem with the immobilizer system's communication with the vehicle's computer.
B0375: Audio System Fault
The B0375 code indicates a fault in the audio system, which may cause issues with sound quality, volume, or functionality.
B0376: Airbag System Malfunction
The airbag system has malfunctioned, possibly due to a faulty sensor, wiring issue, or software problem.
B0377: Climate Control Fan Not Operating
This code indicates that the climate control fan is not operating properly, which can cause issues with air circulation and temperature regulation in the vehicle.
B0378: Door Lock Actuator Circuit Malfunction
The B0378 code indicates a malfunction in the door lock actuator circuit, which prevents the door locks from functioning properly.
B0379: Power Window Relay Circuit Malfunction
The power window relay circuit has malfunctioned, preventing the windows from functioning properly. This code is typically set when the window relay circuit is open or shorted.
B0380: Seat Switch Circuit Malfunction
The seat switch circuit has malfunctioned, preventing the seat from functioning properly. This code is typically set when the seat is not moving or is stuck in a position.
B0381: Turn Signal Lamp Malfunction
The B0381 code indicates a malfunction in the turn signal lamp circuit, which can cause the turn signals to malfunction or not function at all.
B0382: Immobilizer System Malfunction
The immobilizer system has detected an issue with the vehicle's security functionality, preventing the engine from starting or running.
B0383: Audio System Malfunction
The B0383 code indicates a malfunction in the audio system, which can cause issues with sound quality, volume, or functionality.
B0384: Airbag System Module Communication Error
The airbag system module is unable to communicate with other modules in the vehicle, indicating a fault in the communication network.
B0385: Climate Control Fan Motor Malfunction
This code indicates a malfunction in the climate control fan motor, which may cause issues with air circulation and temperature regulation.
B0386: Door Locks Actuator Circuit Malfunction
The B0386 code indicates a malfunction in the door locks actuator circuit, which may cause issues with door locking and unlocking functions.
B0387: Power Window Regulator Malfunction
The B0387 code indicates a problem with the power window regulator, which controls the movement of the window glass. This code is often accompanied by symptoms such as slow or stuck windows, or windows that do not move at all.
B0388: Seat Position Sensor Circuit Malfunction
The seat position sensor circuit has malfunctioned, preventing the vehicle's computer from accurately detecting the seat's position and adjusting the seat belt and airbag systems accordingly.
B0389: Exterior Lighting Malfunction
This code indicates a malfunction in the exterior lighting system, such as the headlights, taillights, or turn signals.
B0390: Body Control Module (BCM) Security Fault
The Body Control Module (BCM) has detected a security fault, which may be caused by a faulty sensor, wiring issue, or software problem.
B0391: Audio System Malfunction
The B0391 code indicates a malfunction in the audio system, possibly due to a faulty amplifier, speaker, or wiring issue.
B0392: Airbag System Sensor Circuit Malfunction
The airbag system sensor circuit has malfunctioned, preventing the airbag from deploying properly in the event of a crash.
B0393: Climate Control Fan Motor Malfunction
The climate control fan motor is malfunctioning, causing the fan to not turn on or turn off properly.
B0394: Door Locks Actuator Circuit Malfunction
The B0394 code indicates a malfunction in the door locks actuator circuit, which may cause issues with door locking or unlocking.
B0395: Power Window Relay Circuit Malfunction
The B0395 code indicates a problem with the power window relay circuit, which controls the operation of the windows. This can cause the windows to malfunction or not function at all.
B0396: Seat Position Sensor Malfunction
The seat position sensor is not functioning correctly, preventing the seat from adjusting properly.
B0397: Malfunction of Front Fog Light
The B0397 code indicates a problem with the front fog light circuit, possibly due to a faulty fog light switch, wiring issue, or a problem with the fog light itself.
B0398: Body System Security Malfunction
The B0398 code indicates a malfunction in the vehicle's security system, which may cause issues with door locks, alarm systems, or other security-related functions.
B0399: Audio System Malfunction
The B0399 code indicates a malfunction in the audio system, which may cause issues with sound quality, volume, or playback functionality.