All OBD2 Diagnostic Codes

Browse our complete database of 16000 diagnostic trouble codes.

B3600 High

B3600: Airbag System Malfunction

The airbag system has detected a malfunction, which may be due to a faulty sensor, wiring issue, or software problem.

B3601 Medium

B3601: Climate Control Fan Motor Malfunction

The B3601 code indicates a malfunction in the climate control fan motor, which may cause the fan to malfunction or not function at all.

B3602 Medium

B3602: Door Locks Actuator Malfunction

The B3602 code indicates a malfunction in the door lock actuator, which may cause the door locks to malfunction or not function at all.

B3603 Medium

B3603: Power Window Regulator Malfunction

The power window regulator has failed, preventing the window from moving up or down properly.

B3604 Medium

B3604: Seat Position Sensor Circuit Malfunction

The seat position sensor circuit has malfunctioned, preventing the vehicle's computer from accurately detecting the seat's position.

B3605 Medium

B3605: Exterior Lighting Malfunction

This code indicates a problem with the exterior lighting system, such as a faulty headlight, taillight, or turn signal.

B3606 High

B3606: Immobilizer System Malfunction

The immobilizer system has detected a malfunction, preventing the vehicle from starting. This code is often caused by a faulty immobilizer module, key fob, or wiring issue.

B3607 Medium

B3607: Audio System Malfunction

The B3607 code indicates a malfunction in the audio system, possibly due to a faulty amplifier, speaker, or wiring issue.

B3608 High

B3608: Airbag System Fault

The airbag system has detected a fault, which may be due to a malfunctioning sensor, wiring issue, or faulty airbag module.

B3609 Medium

B3609: Climate Control Actuator Malfunction

The B3609 code indicates a malfunction in the climate control actuator, which regulates the flow of air and temperature in the vehicle's cabin.

B3610 Medium

B3610: Door Locks Malfunction

The B3610 code indicates a malfunction in the door lock system, which may cause issues with locking or unlocking the doors.

B3611 Medium

B3611: 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.

B3612 Medium

B3612: Seat Position Sensor Circuit Malfunction

The seat position sensor circuit has malfunctioned, preventing the vehicle's computer from accurately detecting the seat's position.

B3613 Medium

B3613: Exterior Lighting Malfunction

The B3613 code indicates a malfunction in the exterior lighting system, such as the headlights, taillights, or turn signals.

B3614 High

B3614: Immobilizer System Malfunction

The immobilizer system has detected a malfunction, preventing the vehicle from starting. This code is typically set when the immobilizer system is not functioning correctly.

B3615 Medium

B3615: Audio System Fault

The B3615 code indicates a malfunction in the vehicle's audio system, which may cause issues with sound quality, volume, or functionality.

B3616 High

B3616: Airbag System Fault

The airbag system has detected a fault, which may be due to a malfunctioning sensor, wiring issue, or faulty airbag module.

B3617 Medium

B3617: Climate Control Temperature Sensor Malfunction

The B3617 code indicates a malfunction in the climate control temperature sensor, which regulates the temperature in the vehicle's cabin.

B3618 Medium

B3618: Door Locks Actuator Circuit Malfunction

The B3618 code indicates a malfunction in the door locks actuator circuit, which may cause issues with door locking and unlocking functions.

B3619 Medium

B3619: Power Window Relay Circuit Malfunction

The power window relay circuit has malfunctioned, preventing the windows from functioning properly.

B3620 Medium

B3620: Seat Position Sensor Circuit Malfunction

The seat position sensor circuit has malfunctioned, preventing the vehicle's computer from accurately detecting the seat's position.

B3621 Medium

B3621: Turn Signal Lamp Malfunction

The B3621 code indicates a malfunction in the turn signal lamp circuit, which can cause the turn signals to malfunction or not function at all.

B3622 High

B3622: 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.

B3623 Medium

B3623: Audio System Fault

The B3623 code indicates a fault in the audio system, possibly due to a malfunctioning amplifier, speaker, or wiring issue.

B3624 High

B3624: Airbag System Fault

The airbag system has detected a fault, which may be due to a malfunctioning sensor, wiring issue, or faulty airbag module.

B3625 Medium

B3625: Climate Control Temperature Sensor Malfunction

The B3625 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.

B3626 Medium

B3626: Door Locks Actuator Malfunction

The B3626 code indicates a malfunction in the door lock actuator, which prevents the doors from locking or unlocking properly.

B3627 Medium

B3627: Power Window Relay Circuit Malfunction

The power window relay circuit has malfunctioned, preventing the windows from functioning properly. This code is often accompanied by other related codes.

B3628 Medium

B3628: Seat Position Sensor Circuit Malfunction

The seat position sensor circuit has malfunctioned, preventing the seat from moving properly or triggering incorrect seat position readings.

B3629 Medium

B3629: Exterior Lighting Malfunction

The B3629 code indicates a problem with the exterior lighting system, such as a faulty headlight, taillight, or turn signal.

B3630 High

B3630: Immobilizer System Malfunction

The immobilizer system has detected a malfunction, preventing the vehicle from starting. This code is typically set when the immobilizer system is not functioning correctly, preventing the vehicle from starting.

B3631 Medium

B3631: Audio System Fault

The B3631 code indicates a fault in the audio system, likely due to a malfunctioning amplifier, speaker, or wiring issue.

B3632 High

B3632: Airbag System Fault

The airbag system has detected a fault, which may be due to a malfunctioning sensor, wiring issue, or faulty airbag module.

B3633 Medium

B3633: Climate Control Temperature Sensor Malfunction

The B3633 code indicates a malfunction in the climate control temperature sensor, which can cause issues with the air conditioning and heating systems.

B3634 Medium

B3634: Door Locks Actuator Circuit Malfunction

The B3634 code indicates a malfunction in the door locks actuator circuit, which may cause issues with door locking and unlocking functions.

B3635 Medium

B3635: Power Window Regulator Malfunction

The power window regulator has failed, preventing the window from moving up or down properly.

B3636 Medium

B3636: Seat Position Sensor Circuit Malfunction

The seat position sensor circuit has malfunctioned, preventing the vehicle's computer from accurately detecting the seat's position.

B3637 Medium

B3637: Exterior Lighting Malfunction

This code indicates a problem with the exterior lighting system, such as a faulty headlight, taillight, or turn signal.

B3638 High

B3638: 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 key fob, ignition switch, or other related components.

B3639 Medium

B3639: Audio System Malfunction

The B3639 code indicates a malfunction in the audio system, possibly due to a faulty amplifier, speaker, or wiring issue.

B3640 High

B3640: Airbag System Fault

The airbag system has detected a fault, which may be due to a malfunctioning sensor, wiring issue, or faulty airbag module.

B3641 Medium

B3641: Climate Control Actuator Malfunction

The B3641 code indicates a malfunction in the climate control actuator, which regulates the flow of air through the vents. This can cause issues with temperature control, air flow, and air direction.

B3642 Medium

B3642: Door Locks Actuator Malfunction

The B3642 code indicates a malfunction in the door lock actuator, which may cause the doors to malfunction or not lock/unlock properly.

B3643 Medium

B3643: Power Window Relay Circuit Malfunction

The power window relay circuit has malfunctioned, preventing the windows from functioning properly.

B3644 Medium

B3644: 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.

B3645 Medium

B3645: Exterior Lighting Malfunction

This code indicates a problem with the exterior lighting system, such as a faulty headlight, taillight, or turn signal.

B3646 High

B3646: Immobilizer System Malfunction

The immobilizer system has detected a malfunction, preventing the vehicle from starting. This code is typically set when the immobilizer system is not functioning correctly, preventing the vehicle from starting.

B3647 Medium

B3647: Audio System Malfunction

The B3647 code indicates a malfunction in the audio system, possibly due to a faulty amplifier, speaker, or wiring issue.

B3648 High

B3648: Airbag System Fault

The airbag system has detected a fault, which may be due to a malfunctioning sensor, wiring issue, or faulty airbag module.

B3649 Medium

B3649: Climate Control Fan Motor Fault

The B3649 code indicates a fault in the climate control fan motor circuit, which may cause the fan to malfunction or not function at all.

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