All OBD2 Diagnostic Codes
Browse our complete database of 16000 diagnostic trouble codes.
B1650: Door Locks Malfunction
The B1650 code indicates a malfunction in the door lock system, which can cause issues with locking and unlocking the doors.
B1651: Power Window Circuit Malfunction
The B1651 code indicates a problem with the power window circuit, which can cause windows to malfunction or not function at all.
B1652: Seat Position Sensor Circuit Malfunction
The seat position sensor circuit has malfunctioned, preventing the vehicle's computer from accurately detecting the seat's position.
B1653: Body System Code for Malfunctioning Headlight
This code indicates a problem with the headlight circuit, which may cause the headlights to malfunction or not turn on.
B1654: 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.
B1655: Audio System Fault
The B1655 code indicates a fault in the audio system, which may cause issues with sound quality, volume, or functionality.
B1656: Airbag System Fault
The airbag system has detected a fault in the deployment mechanism or wiring, preventing the airbags from functioning properly.
B1657: Climate Control Blower Motor Fault
The B1657 code indicates a fault in the climate control blower motor circuit, which may cause issues with air flow and temperature regulation.
B1658: Door Locks Actuator Circuit Malfunction
The B1658 code indicates a malfunction in the door locks actuator circuit, which may cause issues with door locking and unlocking functions.
B1659: Power Window Regulator Malfunction
The power window regulator is malfunctioning, preventing the window from moving properly.
B1660: Seat Position Sensor Circuit Malfunction
The seat position sensor circuit has malfunctioned, preventing the vehicle's computer from accurately detecting the seat's position.
B1661: Body Control Module (BCM) Malfunction - Lighting
The Body Control Module (BCM) has detected a malfunction in the lighting system, which may cause issues with the vehicle's exterior lights, such as the headlights, taillights, or turn signals.
B1662: Body System Security Malfunction
The B1662 code indicates a malfunction in the vehicle's security system, which may cause issues with door locks, alarm systems, or other security-related functions.
B1663: Audio System Malfunction
The B1663 code indicates a malfunction in the audio system, possibly due to a faulty amplifier, speaker, or wiring issue.
B1664: Airbag System Fault
The airbag system has detected a fault, which may be due to a malfunctioning sensor, wiring issue, or faulty airbag module.
B1665: Climate Control Fan Motor Malfunction
This code indicates a malfunction in the climate control fan motor, which may cause issues with air flow and temperature regulation.
B1666: Door Locks Malfunction
The B1666 code indicates a malfunction in the door lock system, which may cause issues with locking or unlocking doors.
B1667: 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 regulator motor or the window switch is faulty.
B1668: Seat Position Sensor Circuit Malfunction
The seat position sensor circuit has malfunctioned, preventing the vehicle's computer from accurately detecting the seat's position.
B1669: Body System Code - Lighting Malfunction
This code indicates a malfunction in the vehicle's lighting system, such as a faulty headlight, taillight, or brake light.
B1670: Body System Security Malfunction
The B1670 code indicates a malfunction in the vehicle's security system, which may cause issues with door locks, alarm systems, or other security-related functions.
B1671: Audio System Fault
The B1671 code indicates a malfunction in the audio system, possibly due to a faulty amplifier, speaker, or wiring issue.
B1672: Airbag System Fault
The airbag system has detected a fault, which may be related to a faulty sensor, wiring issue, or malfunctioning airbag module.
B1673: Climate Control Fan Motor Malfunction
The B1673 code indicates a malfunction in the climate control fan motor, which may cause the fan to stop working or operate erratically.
B1674: Door Locks Actuator Circuit Malfunction
The B1674 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.
B1675: Power Window Regulator Circuit Malfunction
The power window regulator circuit has malfunctioned, preventing the window from moving properly.
B1676: Seat Position Sensor Circuit Malfunction
The seat position sensor circuit has malfunctioned, preventing the vehicle's computer from accurately detecting the seat's position.
B1677: Exterior Lighting Malfunction
This code indicates a problem with the exterior lighting system, such as a faulty headlight, taillight, or turn signal.
B1678: 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.
B1679: Audio System Malfunction
This code indicates a malfunction in the audio system, possibly due to a faulty amplifier, speaker, or wiring issue.
B1680: Airbag System Circuit Malfunction
The airbag system circuit has malfunctioned, preventing the airbags from deploying properly in the event of a crash.
B1681: Climate Control Actuator Malfunction
The climate control system has detected a malfunction in the actuator, which controls the temperature and airflow in the vehicle.
B1682: 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 function.
B1683: Power Window Circuit Malfunction
The B1683 code indicates a problem with the power window circuit, which may cause one or more windows to malfunction or fail to operate.
B1684: Seat Position Sensor Circuit Malfunction
The seat position sensor circuit has malfunctioned, preventing the vehicle's computer from accurately detecting the seat's position.
B1685: Body Control Module (BCM) Malfunction - Lighting
The Body Control Module (BCM) has detected a malfunction in the lighting system, which may cause issues with the vehicle's exterior lights, such as the headlights, taillights, or turn signals.
B1686: Immobilizer System Malfunction
The immobilizer system has detected a malfunction, preventing the engine from starting. This code is usually caused by a faulty immobilizer module, key fob, or wiring issue.
B1687: Audio System Fault
The B1687 code indicates a fault in the audio system, possibly due to a malfunctioning amplifier, speaker, or wiring issue.
B1688: Airbag System Fault
The airbag system has detected a fault, which may be due to a malfunctioning sensor, wiring issue, or faulty airbag module.
B1689: Climate Control System Malfunction
This code indicates a malfunction in the climate control system, which may cause issues with temperature control, air flow, or fan operation.
B1690: Door Locks Actuator Circuit Malfunction
The B1690 code indicates a malfunction in the door locks actuator circuit, which may cause issues with door locking and unlocking functions.
B1691: Power Window Circuit Malfunction
The B1691 code indicates a problem with the power window circuit, which can cause windows to malfunction or not function at all.
B1692: Seat Position Sensor Circuit Malfunction
The seat position sensor circuit has malfunctioned, preventing the vehicle's computer from accurately detecting the seat's position.
B1693: Body Control Module (BCM) Lighting Circuit Malfunction
The Body Control Module (BCM) has detected a malfunction in the lighting circuit, which may cause issues with the vehicle's exterior lights, such as the headlights, taillights, or turn signals.
B1694: 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.
B1695: Audio System Fault
The B1695 code indicates a fault in the audio system, possibly due to a malfunctioning amplifier, speaker, or wiring issue.
B1696: Airbag System Fault
The airbag system has detected a fault, which may be due to a malfunctioning sensor, wiring issue, or faulty airbag module.
B1697: Climate Control Actuator Malfunction
The B1697 code indicates a malfunction in the climate control system, specifically with the actuator that controls the temperature and fan speed.
B1698: Door Locks Actuator Circuit Malfunction
The B1698 code indicates a malfunction in the door locks actuator circuit, which can cause issues with door locking and unlocking functions.
B1699: Power Window Relay Circuit Malfunction
The power window relay circuit has malfunctioned, preventing the windows from functioning properly.