All OBD2 Diagnostic Codes
Browse our complete database of 16000 diagnostic trouble codes.
B0600: Airbag System Malfunction
The airbag system has detected a malfunction or fault, which may prevent the airbags from deploying in the event of a crash.
B0601: Climate Control Actuator Malfunction
The B0601 code indicates a malfunction in the climate control system, likely due to a faulty actuator or faulty wiring.
B0602: Door Locks Malfunction
The B0602 code indicates a malfunction in the door lock system, which can cause issues with locking or unlocking the doors, or even prevent them from functioning altogether.
B0603: Power Window Circuit Malfunction
The B0603 code indicates a problem with the power window circuit, which prevents the windows from functioning properly. This could be due to a faulty window switch, wiring issue, or a problem with the window regulator.
B0604: Seat Switch Circuit Malfunction
The B0604 code indicates a malfunction in the seat switch circuit, which controls the seat's position, lumbar support, and recline functions.
B0605: 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.
B0606: Immobilizer System Malfunction
The immobilizer system has detected a malfunction, preventing the vehicle from starting. This code is usually triggered by a faulty immobilizer module, key fob, or wiring issue.
B0607: Audio System Malfunction
This code indicates a malfunction in the audio system, such as no sound, distorted sound, or inability to change tracks.
B0608: Airbag System Fault
The airbag system has detected a fault, which may be related to a malfunctioning sensor, wiring issue, or faulty airbag module.
B0609: Climate Control Fan Motor Malfunction
The B0609 trouble code indicates a malfunction in the climate control fan motor, which may be due to a faulty motor, wiring issue, or faulty temperature sensor.
B0610: Door Locks Actuator Circuit Malfunction
The B0610 code indicates a malfunction in the door locks actuator circuit, which can cause the door locks to malfunction or not function at all.
B0611: Power Window Circuit Malfunction
The B0611 code indicates a malfunction in the power window circuit, which can cause the windows to malfunction or not function at all.
B0612: Seat Switch Circuit Malfunction
The B0612 code indicates a problem with the electrical circuit controlling the seat switch, which may cause issues with seat adjustment, locking, or unlocking.
B0613: Headlight Dim or Failure
The B0613 code indicates a problem with the headlight circuit, causing the headlights to dim or fail to turn on.
B0614: Immobilizer System Malfunction
The immobilizer system has detected a malfunction, preventing the engine from starting. This code is typically set when the immobilizer system is not functioning correctly, preventing the engine from starting.
B0615: Audio System Malfunction
The B0615 code indicates a malfunction in the audio system, possibly due to a faulty amplifier, speaker, or wiring issue.
B0616: Airbag System Fault
The airbag system has detected a fault, which may be due to a malfunctioning sensor, wiring issue, or faulty airbag module.
B0617: Climate Control Fan Motor Malfunction
The B0617 code indicates a malfunction in the climate control fan motor, which may cause the fan to not turn on or turn on intermittently.
B0618: Door Locks Malfunction
This code indicates a malfunction in the door lock system, which can cause issues with locking or unlocking doors, or even prevent doors from locking or unlocking properly.
B0619: Power Window Circuit Malfunction
The B0619 code indicates a malfunction in the power window circuit, which can cause windows to malfunction or not function at all.
B0620: 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.
B0621: Low Beam Headlight Out of Adjustment
This code indicates that the low beam headlight is not functioning properly due to an adjustment issue, which may be caused by worn-out or damaged headlight components.
B0622: Immobilizer System Malfunction
The immobilizer system has detected a malfunction, preventing the vehicle from starting or running. This code is often caused by a faulty immobilizer module, key fob, or battery.
B0623: Audio System Malfunction
This code indicates a problem with the audio system's amplifier or speaker circuit, causing issues with sound quality, volume, or speaker functionality.
B0624: Airbag System Fault
The airbag system has detected a fault, which may be related to a faulty sensor, wiring issue, or a problem with the airbag module itself.
B0625: Climate Control System Malfunction
The B0625 code indicates a malfunction in the climate control system, specifically with the temperature control module or the air mix control module.
B0626: Door Locks Actuator Malfunction
The B0626 code indicates a malfunction in the door lock actuator, preventing proper door locking or unlocking. This code is typically set when the actuator is faulty or stuck.
B0627: Power Window Circuit Malfunction
This code indicates a problem with the power window circuit, which may cause windows to malfunction or not function at all.
B0628: Seat Position Sensor Circuit Malfunction
The seat position sensor circuit is malfunctioning, preventing the seat from moving properly or triggering incorrect seat position readings.
B0629: Malfunction of Turn Signal Lamp
The B0629 code indicates a malfunction in the turn signal lamp circuit, which can cause the turn signal lights to malfunction or not function at all.
B0630: 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 problem with the key fob, ignition switch, or other related components.
B0631: Audio System Fault
This code indicates a malfunction in the audio system, possibly due to a faulty amplifier, speaker, or wiring issue.
B0632: Airbag System Module Fault
This code indicates a fault in the airbag system module, which may prevent the airbags from deploying in the event of a crash.
B0633: Climate Control Fan Motor Fault
This code indicates a fault in the climate control fan motor, which may be due to a faulty motor, wiring issue, or a problem with the fan itself.
B0634: Door Locks Actuator Circuit Malfunction
The B0634 code indicates a malfunction in the door locks actuator circuit, which controls the operation of the door locks. This can cause issues with locking and unlocking the doors, and may also trigger the airbag light to come on.
B0635: Power Window Regulator Fault
The power window regulator is malfunctioning, preventing the window from moving properly. This code is often accompanied by a warning light on the dashboard.
B0636: 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.
B0637: Exterior Lighting Malfunction
This code indicates a problem with the exterior lighting system, such as a faulty headlight, taillight, or turn signal.
B0638: 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 problem with the key fob, ignition switch, or other related components.
B0639: Audio System Malfunction
This code indicates a malfunction in the audio system, preventing it from functioning properly. The audio system may not turn on, or it may display error messages.
B0640: Airbag System Fault
The airbag system has detected a fault, which may be due to a faulty sensor, wiring issue, or malfunctioning airbag module.
B0641: Climate Control Temperature Sensor Malfunction
This code indicates a malfunction in the temperature sensor of the climate control system, which may cause inaccurate temperature readings or failure to maintain a set temperature.
B0642: Door Locks Actuator Malfunction
The B0642 code indicates a malfunction in the door lock actuator, which may cause the doors to malfunction or not lock/unlock properly.
B0643: Power Window Motor Malfunction
The power window motor is malfunctioning, preventing the window from moving up or down properly.
B0644: Seat Adjuster Motor Malfunction
The seat adjuster motor has malfunctioned, preventing the driver's seat from adjusting properly.
B0645: Turn Signal Lamp Malfunction
This code indicates a malfunction in the turn signal lamp circuit, which can cause the turn signal lights to malfunction or not function at all.
B0646: Immobilizer System Malfunction
The immobilizer system has detected a malfunction, preventing the engine from starting. This code is often triggered by issues with the key fob, ignition switch, or immobilizer module.
B0647: Audio System Malfunction
The B0647 code indicates a malfunction in the audio system, possibly due to a faulty amplifier, speaker, or wiring issue.
B0648: 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 indicates a problem with the airbag system's electrical circuit or sensor.
B0649: Climate Control Temperature Sensor Fault
The B0649 code indicates a fault in the climate control temperature sensor, which is responsible for monitoring the temperature in the vehicle. This fault can cause the climate control system to malfunction, resulting in inaccurate temperature readings and potentially leading to reduced heating or cooling performance.