All OBD2 Diagnostic Codes
Browse our complete database of 16000 diagnostic trouble codes.
B0100: Seat Position Sensor Malfunction
The seat position sensor is not functioning correctly, preventing the vehicle's computer from accurately monitoring the seat's position and movement.
B0101: Body System Code B0101 - Lighting
The B0101 code indicates a malfunction in the vehicle's lighting system, such as a faulty headlight, taillight, or turn signal.
B0102: Immobilizer System Malfunction
The immobilizer system has detected a malfunction, preventing the engine from starting. This code is typically caused by a faulty immobilizer sensor, wiring issue, or incorrect keyless entry system configuration.
B0103: Audio System Malfunction
This code indicates a malfunction in the audio system, possibly due to a faulty amplifier, speaker, or wiring issue.
B0104: Airbag System Malfunction
The airbag system has malfunctioned, preventing the airbags from deploying in the event of a crash. This code is often caused by a faulty airbag sensor or wiring issue.
B0105: Climate Control Blower Motor Fault
This code indicates a fault in the climate control blower motor circuit, which may cause issues with air flow, temperature, or humidity control.
B0106: Door Locks Malfunction
This code indicates a problem with the door lock system, such as faulty door lock actuators, wiring issues, or a faulty body control module.
B0107: Power Window Regulator Malfunction
The B0107 code indicates a problem with the power window regulator, which controls the movement of the window up and down. This can cause the window to malfunction or not function at all.
B0108: Seat Switch Circuit Malfunction
The B0108 code indicates a malfunction in the seat switch circuit, which controls the seat's position, recline, or lumbar support. This can cause issues with seat functionality, such as failure to move or adjust properly.
B0109: Exterior Lighting Malfunction
This code indicates a problem with the exterior lighting system, such as headlights, taillights, or turn signals. The issue may be related to a faulty bulb, wiring, or a malfunctioning control module.
B0110: 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.
B0111: Audio System Malfunction
The B0111 code indicates a malfunction in the audio system, which may cause issues with sound quality, volume, or functionality.
B0112: Airbag System Fault
The airbag system has detected a fault, which may be related to a malfunctioning airbag sensor, wiring issue, or faulty airbag module.
B0113: Climate Control Temperature Sensor Malfunction
This code indicates a malfunction in the climate control temperature sensor, which can cause issues with the heating and cooling system.
B0114: Door Locks Actuator Circuit Malfunction
The Body Control Module (BCM) has detected a malfunction in the door locks actuator circuit, preventing the door locks from functioning properly.
B0115: Power Window Regulator Circuit Malfunction
The B0115 code indicates a problem with the power window regulator circuit, which controls the movement of the windows. This can cause the windows to malfunction or not function at all.
B0116: Seat Adjuster Motor Circuit Malfunction
The B0116 code indicates a problem with the seat adjuster motor circuit, which controls the movement of the seat. This can cause issues with seat position, height, or recline.
B0117: Low Beam Headlight Relay Circuit Malfunction
The B0117 code indicates a malfunction in the low beam headlight relay circuit, which can cause the low beam headlights to malfunction or not function at all.
B0118: Body System Security Malfunction
The B0118 code indicates a malfunction in the vehicle's security system, which may cause issues with door locks, alarm systems, or other security-related functions.
B0119: Audio System Malfunction
The B0119 code indicates a malfunction in the audio system, which can cause issues with sound quality, volume, or functionality.
B0120: Airbag System Malfunction
The airbag system has detected a malfunction, which may be due to a faulty sensor, wiring issue, or software problem.
B0121: Climate Control Actuator Malfunction
The B0121 code indicates a malfunction in the climate control system, specifically with the actuator that controls the temperature and airflow. This can cause issues with the air conditioning, heating, and ventilation system.
B0122: Door Locks Actuator Fault
The B0122 code indicates a fault in the door lock actuator circuit, which prevents the door locks from functioning properly.
B0123: Window Regulator Motor Malfunction
The B0123 code indicates a problem with the window regulator motor, which controls the movement of the window glass. This code is often caused by a faulty motor, wiring issue, or faulty regulator mechanism.
B0124: Seat Adjuster Motor Malfunction
The B0124 code indicates a malfunction in the seat adjuster motor, which controls the movement of the seat. This can cause issues with seat position, height, or tilt.
B0125: Turn Signal Lamp Malfunction
The B0125 code indicates a malfunction in the turn signal lamp circuit, which can cause the turn signals to malfunction or not function at all.
B0126: 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.
B0127: Audio System Fault
This code indicates a malfunction in the audio system, such as faulty speakers, wiring issues, or a problem with the amplifier.
B0128: Airbag System Fault
The B0128 code indicates a fault in the airbag system, which may prevent the airbags from deploying in the event of a crash.
B0129: Climate Control Module Fault
The climate control module has detected a fault, which may be causing issues with the air conditioning or heating system.
B0130: 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.
B0131: Power Window Relay Circuit Malfunction
The power window relay circuit is malfunctioning, preventing the windows from functioning properly. This code is typically set when the window switch is activated but the window does not move.
B0132: Seat Switch Circuit Malfunction
The B0132 code indicates a problem with the seat switch circuit, which controls the operation of the vehicle's seats. This can cause issues with seat adjustment, locking, or even airbag deployment.
B0133: Body System Code B0133 - Lighting
The B0133 code indicates a malfunction in the body control module's (BCM) ability to control the exterior lighting system, such as the headlights, taillights, or brake lights.
B0134: Immobilizer System Malfunction
The immobilizer system has detected a malfunction, preventing the vehicle from starting. This code is often related to issues with the ignition key, immobilizer module, or communication between the two.
B0135: Audio System Malfunction
The B0135 code indicates a malfunction in the audio system, which may cause issues with sound quality, volume, or functionality.
B0136: Airbag System Fault
The airbag system has detected a fault, which may be due to a malfunctioning sensor, wiring issue, or faulty airbag module.
B0137: Climate Control System Malfunction
The B0137 code indicates a malfunction in the climate control system, which may cause issues with temperature control, airflow, or blower motor operation.
B0138: Door Locks Malfunction
The B0138 code indicates a malfunction in the door lock system, which can cause issues with locking and unlocking the doors.
B0139: Power Window Circuit Malfunction
The B0139 code indicates a malfunction in the power window circuit, which prevents the windows from functioning properly.
B0140: Seat Position Sensor Circuit Malfunction
The B0140 code indicates a malfunction in the seat position sensor circuit, which is responsible for monitoring the position and movement of the vehicle's seats.
B0141: Low Beam Headlight Relay Circuit Malfunction
The B0141 code indicates a malfunction in the low beam headlight relay circuit, which can cause the low beam headlights to malfunction or not function at all.
B0142: Immobilizer System Malfunction
The immobilizer system has malfunctioned, preventing the vehicle from starting or running. This code is often caused by a faulty immobilizer key fob, keyless entry system, or a problem with the vehicle's computer.
B0143: Audio System Malfunction
The B0143 code indicates a malfunction in the audio system, possibly due to a faulty amplifier, speaker, or wiring issue.
B0144: 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 control module.
B0145: Climate Control Blower Motor Fault
This code indicates a fault in the climate control blower motor, which may be due to a faulty motor, wiring issue, or faulty blower motor resistor.
B0146: Door Locks Actuator Circuit Malfunction
The B0146 code indicates a malfunction in the door locks actuator circuit, which controls the operation of the door locks. This can cause issues with door lock functionality, such as failure to lock or unlock, or erratic behavior.
B0147: Power Window Switch Circuit Malfunction
The B0147 code indicates a malfunction in the power window switch circuit, which prevents the windows from functioning properly.
Body System Code B0148 - Seats
Body system diagnostic trouble code related to seats functionality.
B0149: 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.