All OBD2 Diagnostic Codes
Browse our complete database of 16000 diagnostic trouble codes.
B2800: Airbag System Fault
The airbag system has detected a fault, which may be due to a malfunctioning sensor, wiring issue, or faulty airbag module.
B2801: Climate Control Temperature Sensor Malfunction
The B2801 code indicates a malfunction in the climate control temperature sensor, which is responsible for monitoring the temperature of the air entering the vehicle's heating and air conditioning system.
B2802: Door Locks Actuator Malfunction
The B2802 code indicates a malfunction in the door lock actuator, which may cause the door locks to malfunction or not function at all.
B2803: Power Window Circuit Malfunction
The B2803 code indicates a problem with the power window circuit, which can cause windows to malfunction or not function at all.
B2804: Seat Position Sensor Circuit Malfunction
The seat position sensor circuit has malfunctioned, preventing the vehicle's computer from accurately detecting the seat's position.
B2805: Body System Code - Malfunctioning Exterior Lighting
This code indicates a malfunction in the exterior lighting system, such as the headlights, taillights, or turn signals.
B2806: 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.
B2807: Audio System Malfunction
The B2807 code indicates a malfunction in the audio system, which may cause issues with sound quality, volume control, or radio reception.
B2808: Airbag System Malfunction
The airbag system has detected a malfunction, which may be due to a faulty sensor, wiring issue, or software problem.
B2809: Climate Control Actuator Malfunction
The B2809 code indicates a malfunction in the climate control system, specifically with the actuator that controls the temperature and airflow.
B2810: Door Locks Actuator Malfunction
The B2810 code indicates a malfunction in the door lock actuator, which may cause the door locks to malfunction or not function at all.
B2811: Power Window Circuit Malfunction
The B2811 code indicates a problem with the power window circuit, which may cause windows to malfunction or not function at all.
B2812: Seat Position Sensor Malfunction
The seat position sensor has malfunctioned, preventing the vehicle's computer from accurately detecting the seat's position, which can cause issues with seat adjustments, airbag deployment, and other safety features.
B2813: 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.
B2814: 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.
B2815: Audio System Malfunction
The B2815 code indicates a malfunction in the audio system, possibly due to a faulty amplifier, speaker, or wiring issue.
B2816: Airbag System Fault
The airbag system has detected a fault, which may be due to a malfunctioning sensor, wiring issue, or faulty airbag module.
B2817: Climate Control Temperature Sensor Malfunction
The B2817 code indicates a malfunction in the climate control temperature sensor, which can cause issues with the air conditioning and heating systems.
B2818: Door Locks Actuator Malfunction
The door locks actuator is malfunctioning, preventing the doors from locking or unlocking properly.
B2819: Power Window Regulator Malfunction
The power window regulator has failed, preventing the window from moving up or down properly.
B2820: Seat Position Sensor Circuit Malfunction
The seat position sensor circuit has malfunctioned, preventing the vehicle's computer from accurately detecting the seat's position.
B2821: 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.
B2822: 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.
B2823: Audio System Fault
The B2823 code indicates a fault in the audio system, possibly due to a malfunctioning amplifier, speaker, or wiring issue.
B2824: Airbag System Fault
The airbag system has detected a fault, which may be due to a malfunctioning sensor, wiring issue, or faulty airbag module.
B2825: Climate Control Fan Motor Malfunction
The B2825 code indicates a malfunction in the climate control fan motor, which may cause the fan to stop working or operate erratically.
B2826: Door Locks Actuator Malfunction
The B2826 code indicates a malfunction in the door lock actuator, which may cause the doors to malfunction or not lock/unlock properly.
B2827: Power Window Regulator Malfunction
The power window regulator is malfunctioning, preventing the window from moving properly.
B2828: 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.
B2829: Exterior Lighting Malfunction
This code indicates a problem with the exterior lighting system, such as a faulty headlight, taillight, or turn signal.
B2830: 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.
B2831: Audio System Malfunction
This code indicates a malfunction in the audio system, possibly due to a faulty amplifier, speaker, or wiring issue.
B2832: Airbag System Fault
The airbag system has detected a fault, which may be due to a malfunctioning sensor, wiring issue, or faulty airbag module.
B2833: Climate Control Fan Motor Malfunction
The B2833 code indicates a malfunction in the climate control fan motor, which may cause the fan to stop working or operate erratically.
B2834: Door Locks Actuator Malfunction
The B2834 code indicates a malfunction in the door lock actuator, which may cause issues with door locking and unlocking functions.
B2835: Power Window Regulator Malfunction
The power window regulator system has malfunctioned, preventing the window from moving properly.
B2836: Seat Position Sensor Circuit Malfunction
The seat position sensor circuit has malfunctioned, preventing the vehicle's computer from accurately detecting the seat's position and movement.
B2837: Exterior Lighting Malfunction
The B2837 code indicates a malfunction in the exterior lighting system, such as the headlights, taillights, or turn signals.
B2838: 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.
B2839: Audio System Malfunction
The B2839 code indicates a malfunction in the audio system, possibly due to a faulty amplifier, speaker, or wiring issue.
B2840: Airbag System Fault
The airbag system has detected a fault, which may be due to a malfunctioning sensor, wiring issue, or faulty airbag module.
B2841: Climate Control Temperature Sensor Malfunction
The climate control system has detected a malfunction in the temperature sensor, which may cause inaccurate temperature readings or failure to maintain a set temperature.
B2842: Door Locks Actuator Malfunction
The door locks actuator is malfunctioning, preventing the doors from locking or unlocking properly.
B2843: Power Window Relay Circuit Malfunction
The power window relay circuit has malfunctioned, preventing the windows from functioning properly.
B2844: 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.
B2845: Body System Code - Exterior Lighting Malfunction
This code indicates a malfunction in the exterior lighting system, such as the headlights, taillights, or turn signals.
B2846: 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 vehicle from starting.
B2847: 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.
B2848: Airbag System Fault
The airbag system has detected a fault, which may be due to a malfunctioning sensor, wiring issue, or faulty airbag module.
B2849: Climate Control Actuator Malfunction
The B2849 code indicates a malfunction in the climate control system, specifically with the actuator that controls the temperature and airflow.