All OBD2 Diagnostic Codes
Browse our complete database of 16000 diagnostic trouble codes.
B3000: Airbag System Malfunction
The airbag system has malfunctioned, preventing the airbags from deploying in the event of a crash. This code is often accompanied by other airbag-related codes.
B3001: Climate Control Temperature Sensor Malfunction
The B3001 code indicates a malfunction in the climate control temperature sensor, which may cause the air conditioning or heating system to malfunction or not function at all.
B3002: Door Locks Malfunction
The B3002 code indicates a malfunction in the door lock system, which can cause issues with locking and unlocking the doors.
B3003: Power Window Regulator Malfunction
The power window regulator is malfunctioning, preventing the window from moving up or down properly.
B3004: Seat Position Sensor Circuit Malfunction
The seat position sensor circuit has malfunctioned, preventing the vehicle's computer from accurately detecting the seat's position.
B3005: Exterior Lighting Malfunction
This code indicates a problem with the exterior lighting system, such as a faulty headlight, taillight, or turn signal.
B3006: Immobilizer System Malfunction
The immobilizer system has detected a malfunction, preventing the vehicle from starting or running. This code is typically set when the immobilizer system is not functioning correctly, preventing the vehicle from starting.
B3007: Audio System Malfunction
The B3007 code indicates a malfunction in the audio system, possibly due to a faulty amplifier, speaker, or wiring issue.
B3008: Airbag System Malfunction
The airbag system has detected a malfunction, which may be due to a faulty sensor, wiring issue, or software problem.
B3009: 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.
B3010: Door Locks Malfunction
The B3010 code indicates a malfunction in the door lock system, which may cause the doors to lock or unlock unexpectedly, or fail to lock or unlock at all.
B3011: Power Window Circuit Malfunction
The B3011 code indicates a problem with the power window circuit, which may be causing the windows to malfunction or not function at all.
B3012: Seat Position Sensor Circuit Malfunction
The seat position sensor circuit has malfunctioned, preventing the vehicle's computer from accurately detecting the seat's position.
B3013: Exterior Lighting Malfunction
The B3013 code indicates a malfunction in the exterior lighting system, such as the headlights, taillights, or turn signals.
B3014: Immobilizer System Malfunction
The immobilizer system has detected a malfunction, preventing the vehicle from starting or running. This code is typically set when the immobilizer system is not functioning correctly.
B3015: Audio System Fault
The B3015 code indicates a fault in the audio system, likely due to a malfunctioning amplifier, speaker, or wiring issue.
B3016: Airbag System Fault
The airbag system has detected a fault, which may be due to a malfunctioning sensor, wiring issue, or faulty airbag module.
B3017: Climate Control Temperature Sensor Malfunction
The B3017 code indicates a malfunction in the climate control temperature sensor, which regulates the temperature in the vehicle's cabin.
B3018: Door Locks Actuator Malfunction
The B3018 code indicates a malfunction in the door lock actuator, which may prevent the doors from locking or unlocking properly.
B3019: Power Window Regulator Malfunction
The power window regulator is malfunctioning, preventing the window from moving up or down properly.
B3020: Seat Position Sensor Circuit Malfunction
The seat position sensor circuit has malfunctioned, preventing the vehicle's computer from accurately detecting the seat's position.
B3021: Exterior Lighting Malfunction
This code indicates a problem with the exterior lighting system, such as a faulty headlight, taillight, or turn signal.
B3022: 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.
B3023: Audio System Fault
The B3023 code indicates a malfunction in the audio system, possibly due to a faulty amplifier, speaker, or wiring issue.
B3024: Airbag System Fault
The airbag system has detected a fault, which may be due to a malfunctioning sensor, wiring issue, or faulty airbag module.
B3025: Climate Control Malfunction
The B3025 code indicates a malfunction in the climate control system, which may cause issues with temperature regulation, air flow, or fan operation.
B3026: Door Locks Actuator Malfunction
The B3026 code indicates a malfunction in the door lock actuator, which prevents the door locks from functioning properly.
B3027: Power Window Regulator Malfunction
The power window regulator is malfunctioning, preventing the window from moving up or down properly.
B3028: Seat Position Sensor Circuit Malfunction
The seat position sensor circuit has malfunctioned, preventing the vehicle's computer from accurately detecting the seat's position.
B3029: Exterior Lighting Malfunction
The B3029 code indicates a problem with the exterior lighting system, such as a faulty headlight, taillight, or turn signal.
B3030: Immobilizer System Malfunction
The immobilizer system has detected a malfunction, preventing the vehicle from starting. This code is usually caused by a faulty immobilizer module, key fob, or wiring issue.
B3031: Audio System Malfunction
The B3031 code indicates a malfunction in the audio system, possibly due to a faulty amplifier, speaker, or wiring issue.
B3032: Airbag System Fault
The airbag system has detected a fault, which may be caused by a malfunctioning sensor, wiring issue, or faulty airbag module.
B3033: Climate Control Fan Motor Malfunction
The B3033 code indicates a malfunction in the climate control fan motor, which may cause the fan to stop working or operate intermittently.
B3034: Door Locks Actuator Malfunction
The B3034 code indicates a malfunction in the door lock actuator, which may cause the doors to malfunction or not lock/unlock properly.
B3035: Power Window Relay Circuit Malfunction
The power window relay circuit has malfunctioned, preventing the windows from functioning properly.
B3036: 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.
B3037: Exterior Lighting Malfunction
This code indicates a problem with the exterior lighting system, such as a faulty headlight, taillight, or turn signal.
B3038: 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.
B3039: Audio System Malfunction
The B3039 code indicates a malfunction in the audio system, possibly due to a faulty amplifier, speaker, or wiring issue.
B3040: Airbag System Fault
The airbag system has detected a fault, which may be due to a malfunctioning sensor, wiring issue, or faulty airbag module.
B3041: Climate Control Temperature Sensor Malfunction
The B3041 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.
B3042: Door Locks Actuator Malfunction
The B3042 code indicates a malfunction in the door lock actuator, which may cause the doors to malfunction or not lock/unlock properly.
B3043: Power Window Regulator Malfunction
The power window regulator is malfunctioning, preventing the window from moving up or down properly.
B3044: Seat Position Sensor Circuit Malfunction
The seat position sensor circuit has malfunctioned, preventing the vehicle's computer from accurately detecting the seat's position.
B3045: Exterior Lighting Malfunction
The B3045 code indicates a malfunction in the exterior lighting system, such as the headlights, taillights, or turn signals.
B3046: Immobilizer System Malfunction
The immobilizer system has malfunctioned, preventing the vehicle from starting or running. This code is usually caused by a faulty immobilizer module, key fob, or wiring issue.
B3047: Audio System Fault
The B3047 code indicates a fault in the audio system, such as a malfunctioning amplifier, speaker, or wiring issue.
B3048: Airbag System Fault
The airbag system has detected a fault, which may be related to a faulty sensor, wiring issue, or malfunctioning airbag module.
B3049: Climate Control System Malfunction
The B3049 code indicates a malfunction in the climate control system, which may cause issues with temperature control, air flow, or fan operation.