All OBD2 Diagnostic Codes
Browse our complete database of 16000 diagnostic trouble codes.
B0450: Door Locks Malfunction
The Body Control Module (BCM) has detected a malfunction in the door lock system, preventing proper door lock/unlock function.
B0451: Window Regulator Malfunction
The B0451 code indicates a problem with the window regulator, which controls the movement of the window up and down. This code is often triggered by a faulty regulator motor, faulty regulator gears, or a faulty window switch.
B0452: Seat Adjuster Switch Circuit Malfunction
The seat adjuster switch circuit has malfunctioned, preventing the seat from adjusting properly. This code is typically set when the seat switch circuit is open or shorted.
B0453: Body System Code for Malfunctioning Headlight or Taillight
This code indicates a problem with the headlight or taillight circuit, such as a faulty bulb, wiring issue, or malfunctioning relay.
B0454: Immobilizer System Malfunction
The immobilizer system has malfunctioned, preventing the vehicle from starting or operating. This code is typically set when the immobilizer system detects a problem with the key fob, ignition switch, or other related components.
B0455: Audio System Fault
This code indicates a fault in the audio system's amplifier or speaker circuit, causing no sound or distorted sound from the speakers.
B0456: Airbag System - Deployment Sensor Circuit Malfunction
The airbag system has detected a malfunction in the deployment sensor circuit, which may prevent the airbags from deploying properly in the event of an accident.
B0457: Climate Control Fan Motor Malfunction
The B0457 code indicates a malfunction in the climate control fan motor, which may cause issues with air circulation and temperature regulation.
B0458: Door Locks Actuator Circuit Malfunction
The B0458 code indicates a malfunction in the door locks actuator circuit, which can cause issues with door locking and unlocking functions.
B0459: Power Window Circuit Malfunction
The B0459 code indicates a malfunction in the power window circuit, which can cause the windows to malfunction or not function at all.
B0460: Seat Switch Circuit Malfunction
The B0460 code indicates a malfunction in the seat switch circuit, which may cause issues with seat adjustment, locking, or latching.
B0461: Low Beam Headlight Malfunction
The B0461 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.
B0462: Immobilizer System Malfunction
The immobilizer system has malfunctioned, preventing the engine from starting. This code is typically set when the immobilizer system detects a security issue, such as a faulty key fob or a tampered-with ignition lock cylinder.
B0463: Audio System Fault
The B0463 code indicates a fault in the audio system, typically caused by a malfunction in the amplifier, speaker, or wiring.
B0464: Airbag System Fault
The airbag system has detected a fault, which may be related to a faulty sensor, wiring issue, or malfunctioning airbag module.
B0465: Climate Control Blower Motor Resistance Fault
The B0465 code indicates a fault in the climate control system, specifically a high resistance in the blower motor circuit.
B0466: Door Locks Actuator Malfunction
The B0466 code indicates a malfunction in the door lock actuator, which controls the locking and unlocking of the doors. This code is typically set when the actuator is not functioning properly, preventing the doors from locking or unlocking correctly.
B0467: 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 relay circuit is faulty.
B0468: 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.
B0469: Turn Signal Lamp Malfunction
The B0469 code indicates a malfunction in the turn signal lamp circuit, which can cause the turn signal lights to malfunction or not function at all.
B0470: Body System Security Malfunction
This code indicates a malfunction in the vehicle's security system, which may cause issues with door locks, alarm systems, or other security-related functions.
B0471: Audio System Fault
This code indicates a malfunction in the vehicle's audio system, such as no sound or distorted sound from the speakers.
B0472: Airbag System Malfunction
The airbag system has detected a malfunction, which may be due to a faulty sensor, wiring issue, or software problem.
B0473: Climate Control Malfunction
The B0473 code indicates a malfunction in the climate control system, specifically related to the blower motor or its electrical circuit.
B0474: Door Locks Actuator Malfunction
This code indicates a malfunction in the door lock actuator, preventing the doors from locking or unlocking properly.
B0475: Power Window Motor Circuit Malfunction
The B0475 code indicates a problem with the power window motor circuit, which can cause the windows to malfunction or not function at all.
B0476: Seat Switch Circuit Malfunction
The seat switch circuit is malfunctioning, preventing the seat from functioning properly. This code is usually triggered when the seat switch circuit is open or shorted.
B0477: Exterior Lighting Malfunction
This code indicates a problem with the exterior lighting system, such as a faulty headlight, taillight, or turn signal.
B0478: Body System Security Malfunction
This code indicates a malfunction in the vehicle's security system, which may cause issues with door locks, alarm, or immobilizer functions.
B0479: Audio System Malfunction
The B0479 code indicates a malfunction in the audio system, which may cause issues with sound quality, volume, or functionality.
B0480: Airbag System Fault
The airbag system has detected a fault, which may be due to a malfunctioning sensor, wiring issue, or faulty airbag module.
B0481: Climate Control Blower Motor Fault
This code indicates a fault in the climate control blower motor circuit, which may cause issues with air flow and temperature control.
B0482: Door Locks Actuator Circuit Malfunction
The B0482 code indicates a malfunction in the door locks actuator circuit, which is responsible for controlling the locking and unlocking of the doors. This malfunction can cause the doors to malfunction or not function at all.
B0483: 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.
B0484: Seat Switch Malfunction
The Body Control Module (BCM) has detected a malfunction in the seat switch circuit, which may cause issues with seat functionality, such as failure to adjust or lock in position.
B0485: Exterior Lighting Malfunction
The B0485 code indicates a malfunction in the exterior lighting system, such as the headlights, taillights, or turn signals.
B0486: Immobilizer System Malfunction
The immobilizer system has detected a malfunction, preventing the vehicle from starting or running. This code indicates a problem with the immobilizer system's communication or authentication process.
B0487: Audio System Fault
The B0487 code indicates a malfunction in the audio system, such as a faulty amplifier, speaker, or wiring issue.
B0488: Airbag System Malfunction
The airbag system has detected a malfunction, which may be caused by a faulty sensor, wiring issue, or software problem.
B0489: Climate Control Actuator Malfunction
The B0489 code indicates a malfunction in the climate control system, specifically with the actuator that controls the fan speed and direction.
B0490: Door Locks Malfunction
This code indicates a malfunction in the door lock system, possibly due to a faulty door lock actuator, wiring issue, or a problem with the body control module.
B0491: Power Window Circuit Malfunction
The B0491 code indicates a problem with the power window circuit, which can cause windows to malfunction or not function at all.
B0492: Seat Position Sensor Circuit Malfunction
The seat position sensor circuit has malfunctioned, preventing the vehicle's computer from accurately detecting the driver's seat position. This can cause issues with seat adjustments, airbag deployment, and other safety features.
B0493: Body System Code - Lighting Functionality
This code indicates a problem with the vehicle's lighting system, such as a faulty headlight, taillight, or brake light.
B0494: Immobilizer System Malfunction
The immobilizer system has detected a malfunction, which prevents the vehicle from starting. This code indicates a problem with the immobilizer system, which is designed to prevent theft by disabling the engine unless the correct key is present.
B0495: Audio System Fault
The B0495 code indicates a fault in the audio system, which can cause issues with sound quality, volume, or functionality.
B0496: Airbag System - Deployment Sensor Circuit Malfunction
The airbag system has detected a malfunction in the deployment sensor circuit, which may prevent the airbags from deploying in the event of an accident.
B0497: Climate Control Fan Motor Malfunction
The climate control fan motor is malfunctioning, causing the system to malfunction and potentially leading to reduced airflow or uneven heating and cooling.
B0498: Door Locks Malfunction
This code indicates a malfunction in the door lock system, possibly due to a faulty door lock actuator, wiring issue, or electrical problem.
B0499: Power Window Circuit Malfunction
The B0499 code indicates a malfunction in the power window circuit, which can cause windows to malfunction or not function at all.