All OBD2 Diagnostic Codes
Browse our complete database of 16000 diagnostic trouble codes.
B0700: Seat Position Sensor Malfunction
The seat position sensor has malfunctioned, preventing the vehicle's computer from accurately monitoring the position of the seat. This can cause issues with seat adjustment, airbag deployment, and other safety features.
B0701: Turn Signal Lamp Malfunction
The B0701 code indicates a malfunction in the turn signal lamp circuit, which may cause the turn signal lights to malfunction or not function at all.
B0702: 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 engine control module.
B0703: Audio System Fault
This code indicates a malfunction in the audio system, potentially causing issues with sound quality, volume, or functionality.
B0704: Airbag System Circuit Malfunction
The airbag system has detected a malfunction in the circuit, which may prevent the airbags from deploying properly in the event of a crash.
B0705: Climate Control Fan Malfunction
The B0705 code indicates a malfunction in the climate control fan system, which may cause uneven air distribution, poor airflow, or no airflow at all.
B0706: Door Locks Actuator Circuit Malfunction
The B0706 code indicates a malfunction in the door locks actuator circuit, which controls the locking and unlocking of the doors. This can cause issues with door locking and unlocking functionality.
B0707: Power Window Regulator Malfunction
The power window regulator motor is malfunctioning, preventing the window from moving up or down properly.
B0708: Seat Switch Circuit Malfunction
The seat switch circuit has malfunctioned, preventing the driver's seat from functioning properly. This code is typically set when the seat switch circuit is open or shorted, causing the seat to malfunction.
B0709: Exterior Lighting Malfunction
The B0709 code indicates a malfunction in the exterior lighting system, such as a faulty headlight, taillight, or brake light.
B0710: 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 security issue, such as a faulty key fob or a compromised immobilizer system.
B0711: Audio System Fault
This code indicates a fault in the audio system, possibly due to a faulty amplifier, speaker, or wiring issue.
B0712: Airbag System Fault
The airbag system has detected a fault, possibly due to a faulty sensor, wiring issue, or malfunctioning airbag module.
B0713: Climate Control Fan Motor Fault
This code indicates a fault in the climate control fan motor, which may be causing issues with airflow and temperature regulation.
B0714: Door Locks Malfunction
The B0714 code indicates a malfunction in the door lock system, which can cause issues with locking and unlocking doors.
B0715: Power Window Regulator Malfunction
The B0715 code indicates a problem with the power window regulator, which controls the movement of the windows. This can cause the windows to malfunction or not function at all.
B0716: 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.
B0717: Low Beam Headlight Malfunction
The B0717 code indicates a malfunction in the low beam headlight circuit, which may cause the low beam headlights to not function properly or not turn on at all.
B0718: Immobilizer System Malfunction
The immobilizer system has detected a malfunction, preventing the vehicle from starting. This code is usually related to a faulty immobilizer module, key fob, or wiring issue.
B0719: Audio System Malfunction
The B0719 code indicates a malfunction in the audio system, which can cause issues with sound quality, volume control, or even complete loss of audio function.
B0720: Airbag System Circuit Short to Ground
The airbag system has detected a short circuit to ground in the wiring harness or electrical components.
B0721: Climate Control Temperature Sensor Circuit Malfunction
The B0721 code indicates a malfunction in the climate control temperature sensor circuit, which can cause issues with the air conditioning and heating systems.
B0722: Door Locks Actuator Circuit Malfunction
The Body Control Module (BCM) has detected a malfunction in the door lock actuator circuit, preventing the door locks from functioning properly.
B0723: Power Window Relay Circuit Malfunction
The power window relay circuit has malfunctioned, preventing the windows from functioning properly. This code is usually triggered when the window motor or relay is faulty.
B0724: Seat Position Sensor Malfunction
The seat position sensor has malfunctioned, causing the seat to malfunction or not function properly.
B0725: Body System Code - Exterior Lighting Malfunction
This code indicates a malfunction in the exterior lighting system, such as a faulty headlight, taillight, or turn signal.
B0726: Body Control Module (BCM) Security Malfunction
The Body Control Module (BCM) has detected a security malfunction, which can cause issues with door locks, alarm systems, and other body control functions.
B0727: Audio System Fault
This code indicates a malfunction in the audio system, possibly due to a faulty amplifier, speaker, or wiring issue.
B0728: Airbag System Malfunction
The airbag system has malfunctioned, possibly due to a faulty sensor or wiring issue, preventing the airbags from deploying properly in the event of a crash.
B0729: Climate Control Actuator Malfunction
The B0729 code indicates a malfunction in the climate control system, specifically with the actuator that controls the temperature and air flow. This can cause issues with the air conditioning, heating, and ventilation systems.
B0730: Door Locks Functionality Malfunction
This code indicates a problem with the door lock system, such as faulty actuators, wiring issues, or a malfunctioning body control module.
B0731: Power Window Motor Control Circuit Malfunction
The power window motor control circuit has malfunctioned, preventing the window from operating properly. This code is typically set when the window motor is not receiving the correct voltage or when there is a short circuit in the circuit.
B0732: Seat Position Sensor Circuit Malfunction
The seat position sensor circuit has malfunctioned, preventing the vehicle's computer from accurately monitoring the seat's position and movement.
B0733: Body System Code - Malfunctioning Exterior Lighting
This code indicates a problem with the exterior lighting system, such as faulty headlights, taillights, or turn signals.
B0734: 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 communicating properly with the engine control module.
B0735: Audio System Malfunction
The B0735 code indicates a malfunction in the vehicle's audio system, possibly due to a faulty amplifier, speaker, or wiring issue.
B0736: Airbag System Circuit Malfunction
The airbag system circuit has malfunctioned, preventing the airbag from deploying in the event of a crash. This code indicates a problem with the airbag system's electrical circuit.
B0737: Climate Control Fan Motor Malfunction
The climate control fan motor is malfunctioning, causing issues with air circulation and temperature regulation.
B0738: Door Locks Malfunction
This code indicates a malfunction in the door lock system, which may cause doors to lock or unlock unexpectedly, or fail to function properly.
B0739: Power Window Regulator Malfunction
The power window regulator is malfunctioning, preventing the window from moving up or down properly.
B0740: Seat Height Sensor Circuit Malfunction
The seat height sensor circuit has malfunctioned, causing the seat height to be stuck or not functioning properly.
B0741: Turn Signal/Hazard Warning Lamp Malfunction
The B0741 code indicates a malfunction in the turn signal or hazard warning lamp circuit. This can cause the lamps to malfunction or not function at all.
B0742: 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 engine control module.
B0743: 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.
B0744: 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.
B0745: Climate Control Malfunction
This code indicates a malfunction in the climate control system, possibly due to a faulty temperature sensor, actuator, or wiring issue.
B0746: Door Locks Circuit Malfunction
This code indicates a malfunction in the door locks circuit, which may cause issues with door locking or unlocking functions.
B0747: Power Window Regulator Malfunction
The power window regulator is malfunctioning, preventing the window from moving properly or causing it to get stuck.
B0748: Power Seat Actuator Circuit Malfunction
The power seat actuator circuit has malfunctioned, preventing the driver's seat from moving properly. This code is typically set when the seat motor is not functioning correctly.
B0749: Body Control Module (BCM) - Exterior Lighting Circuit Malfunction
The Body Control Module (BCM) has detected a malfunction in the exterior lighting circuit, which may cause issues with the vehicle's headlights, taillights, or other exterior lights.