All OBD2 Diagnostic Codes
Browse our complete database of 16000 diagnostic trouble codes.
B1500: Seat Position Sensor Circuit Malfunction
The seat position sensor circuit has malfunctioned, preventing the vehicle's computer from accurately detecting the seat's position.
B1501: 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.
B1502: Body System Security Malfunction
The B1502 code indicates a malfunction in the vehicle's security system, which may cause issues with door locks, alarm systems, or other security-related functions.
B1503: Audio System Malfunction
The B1503 code indicates a malfunction in the audio system, which may cause issues with sound quality, volume, or functionality.
B1504: Airbag System Circuit Malfunction
The airbag system circuit has malfunctioned, preventing the airbag from deploying in the event of a crash. This code is often accompanied by other airbag-related codes.
B1505: Climate Control Temperature Sensor Malfunction
The B1505 code indicates a malfunction in the climate control temperature sensor, which regulates the temperature in the vehicle's cabin.
B1506: Door Locks Malfunction
The B1506 code indicates a malfunction in the door lock system, which can cause issues with locking and unlocking doors.
B1507: Power Window Circuit Malfunction
The B1507 code indicates a problem with the power window circuit, which may cause one or more windows to malfunction or not function at all.
B1508: Seat Position Sensor Circuit Malfunction
The seat position sensor circuit has malfunctioned, preventing the vehicle's computer from accurately detecting the seat's position.
B1509: Body System Code - Lighting Malfunction
The B1509 code indicates a malfunction in the vehicle's lighting system, such as a faulty headlight, taillight, or brake light.
B1510: Body System Security Malfunction
The body system security module has detected a malfunction, which may be caused by a faulty sensor, wiring issue, or software problem.
B1511: Audio System Malfunction
The B1511 code indicates a malfunction in the audio system, possibly due to a faulty amplifier, speaker, or wiring issue.
B1512: Airbag System Fault
The airbag system has detected a fault, which may be due to a malfunctioning sensor, wiring issue, or faulty airbag module.
B1513: Climate Control Fan Motor Malfunction
The B1513 code indicates a malfunction in the climate control fan motor, which may cause the fan to stop working or operate erratically.
B1514: Door Locks Actuator Malfunction
The B1514 code indicates a malfunction in the door lock actuator, which may cause the door locks to malfunction or not function at all.
B1515: Power Window Relay Circuit Malfunction
The power window relay circuit has malfunctioned, preventing the windows from functioning properly.
B1516: Seat Position Sensor Circuit Malfunction
The seat position sensor circuit has malfunctioned, preventing the vehicle's computer from accurately detecting the seat's position.
B1517: Body System Code for Malfunctioning Exterior Lighting
This code indicates a problem with the exterior lighting system, such as faulty headlights, taillights, or turn signals.
B1518: 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.
B1519: Audio System Malfunction
The B1519 code indicates a malfunction in the audio system, which may cause issues with sound quality, volume, or functionality.
B1520: Airbag System Fault
The airbag system has detected a fault, which may prevent the airbags from deploying in the event of a crash. This code is often related to a faulty airbag sensor or wiring issue.
B1521: Climate Control Actuator Malfunction
The B1521 code indicates a malfunction in the climate control system, specifically with the actuator that controls the temperature and fan speed.
B1522: Door Locks Actuator Circuit Malfunction
The B1522 code indicates a malfunction in the door locks actuator circuit, which can cause issues with door locking and unlocking functions.
B1523: Power Window Circuit Malfunction
The B1523 code indicates a problem with the power window circuit, which can cause windows to malfunction or not function at all.
B1524: Seat Switch Circuit Malfunction
The B1524 code indicates a problem with the electrical circuit controlling the seat switch, which may cause issues with seat adjustment, locking, or unlocking.
B1525: Exterior Lighting Malfunction
This code indicates a problem with the exterior lighting system, such as a faulty headlight, taillight, or turn signal.
B1526: 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.
B1527: Audio System Fault
This code indicates a malfunction in the audio system, such as a faulty amplifier, speaker, or wiring issue.
B1528: Airbag System Fault
The airbag system has detected a fault, which may be due to a malfunctioning sensor, wiring issue, or faulty airbag module.
B1529: Climate Control Temperature Sensor Malfunction
The B1529 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.
B1530: Door Locks Malfunction
The B1530 code indicates a malfunction in the door lock system, which can cause issues with locking and unlocking doors.
B1531: Power Window Regulator Circuit Malfunction
The power window regulator circuit has malfunctioned, preventing the window from moving properly.
B1532: Seat Position Sensor Circuit Malfunction
The seat position sensor circuit has malfunctioned, preventing the vehicle's computer from accurately detecting the seat's position.
B1533: Body System Code - Lighting Malfunction
The B1533 code indicates a malfunction in the vehicle's lighting system, such as a faulty headlight, taillight, or brake light.
B1534: 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.
B1535: Audio System Malfunction
The B1535 code indicates a malfunction in the audio system, possibly due to a faulty amplifier, speaker, or wiring issue.
B1536: Airbag System Fault
The airbag system has detected a fault, which may be due to a malfunctioning sensor, wiring issue, or faulty airbag module.
B1537: Climate Control Actuator Malfunction
The B1537 code indicates a malfunction in the climate control actuator, which regulates the flow of air and temperature in the vehicle's cabin.
B1538: Door Locks Actuator Circuit Malfunction
The B1538 code indicates a malfunction in the door locks actuator circuit, which may cause issues with door locking or unlocking.
B1539: Power Window Relay Circuit Malfunction
The power window relay circuit has malfunctioned, preventing the windows from functioning properly.
B1540: Seat Position Sensor Circuit Malfunction
The seat position sensor circuit has malfunctioned, preventing the vehicle's computer from accurately monitoring the seat's position and movement.
B1541: Body System Code - Lighting Functionality
This code indicates a malfunction in the vehicle's lighting system, such as a faulty headlight, taillight, or turn signal.
B1542: Body System Security Malfunction
The B1542 code indicates a malfunction in the vehicle's security system, which may cause issues with door locks, alarm systems, or other security-related functions.
B1543: Audio System Malfunction
The B1543 code indicates a malfunction in the audio system, possibly due to a faulty amplifier, speaker, or wiring issue.
B1544: Airbag System Fault
The airbag system has detected a fault, which may be due to a malfunctioning sensor, wiring issue, or faulty airbag module.
B1545: 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.
B1546: Door Locks Actuator Malfunction
The B1546 code indicates a malfunction in the door lock actuator, which prevents the door locks from functioning properly.
B1547: Power Window Relay Circuit Malfunction
The power window relay circuit has malfunctioned, preventing the windows from functioning properly.
B1548: Seat Position Sensor Circuit Malfunction
The seat position sensor circuit has malfunctioned, preventing the vehicle's computer from accurately monitoring the seat's position and movement.
B1549: 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.