All OBD2 Diagnostic Codes
Browse our complete database of 16000 diagnostic trouble codes.
B0550: Body System Security Code
The B0550 code indicates a malfunction in the vehicle's security system, which may cause issues with door locks, alarm systems, or other security-related functions.
B0551: Audio System Malfunction
The B0551 code indicates a malfunction in the audio system, likely due to a faulty amplifier, speaker, or wiring issue.
B0552: Airbag System Sensor Circuit Malfunction
The airbag system sensor circuit has malfunctioned, preventing the airbag from deploying correctly in the event of a crash. This code is typically set when the sensor circuit is open, shorted, or has a high resistance.
B0553: Climate Control Fan Motor Malfunction
The climate control fan motor is malfunctioning, causing the fan to not turn on or turn off properly, resulting in poor airflow and temperature control.
B0554: Door Locks Actuator Malfunction
The Body Control Module (BCM) has detected a malfunction in the door lock actuator circuit, preventing proper door lock operation.
B0555: Power Window Relay Circuit Malfunction
The B0555 code indicates a malfunction in the power window relay circuit, which can cause windows to malfunction or fail to operate.
B0556: Seat Switch Circuit Malfunction
This code indicates a problem with the electrical circuit controlling the seat switch, which may cause issues with seat adjustment or position.
B0557: Low Beam Headlight Relay Circuit Malfunction
The B0557 code indicates a problem with the low beam headlight relay circuit, which controls the low beam headlights. This can cause the low beam headlights to malfunction or not function at all.
B0558: 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.
B0559: Audio System Fault
The B0559 code indicates a fault in the audio system, possibly due to a malfunctioning amplifier, speaker, or wiring issue.
B0560: Airbag System Fault
The B0560 code indicates a malfunction in the airbag system, which may prevent the airbags from deploying in the event of a crash.
B0561: Climate Control Module Malfunction
The B0561 code indicates a malfunction in the climate control module, which regulates the temperature and airflow in the vehicle's cabin.
B0562: Door Locks Actuator Malfunction
This code indicates a malfunction in the door lock actuator, which may cause issues with door locking or unlocking.
B0563: Power Window Motor Malfunction
The power window motor is malfunctioning, preventing the window from moving up or down properly.
B0564: 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 function.
B0565: 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 interior or exterior lighting functions.
B0566: Immobilizer System Malfunction
The immobilizer system has detected a malfunction, preventing the vehicle from starting or running. This code is typically set when the vehicle's immobilizer system is not functioning correctly.
B0567: Audio System Malfunction
This code indicates a malfunction in the audio system, possibly due to a faulty amplifier, speaker, or wiring issue.
B0568: Airbag System Fault
This code indicates a malfunction in the airbag system, which may prevent the airbags from deploying in the event of a crash.
B0569: Climate Control Fan Motor Fault
This code indicates a fault in the climate control fan motor circuit, which may cause the fan to malfunction or not function at all.
B0570: Door Locks Faulty or Malfunctioning
The Body Control Module (BCM) has detected a fault in the door lock system, which may be caused by a faulty door lock actuator, wiring issue, or a problem with the BCM itself.
B0571: Window Regulator Circuit Malfunction
This code indicates a problem with the window regulator circuit, which controls the movement of the window up and down.
B0572: Seat Position Sensor Circuit Malfunction
The seat position sensor circuit has malfunctioned, preventing the vehicle's seat from functioning properly.
B0573: Headlight Dimmer Switch Malfunction
The B0573 code indicates a problem with the headlight dimmer switch, which is responsible for adjusting the headlight beam intensity in response to the vehicle's speed.
B0574: Immobilizer System Malfunction
The immobilizer system has detected a malfunction, preventing the engine from starting. This code is usually set when the immobilizer key fob battery is weak or dead.
B0575: Audio System Malfunction
This code indicates a malfunction in the audio system, such as faulty speakers, amplifier, or wiring issues.
B0576: Airbag System Fault
The airbag system has detected a fault, which may be due to a malfunctioning sensor, wiring issue, or faulty airbag module.
B0577: Climate Control Malfunction
The B0577 code indicates a malfunction in the climate control system, specifically with the temperature control module or the blower motor resistor.
B0578: Door Locks Actuator Circuit Malfunction
The Body Control Module (BCM) has detected a malfunction in the door locks actuator circuit, preventing proper door lock/unlock functionality.
B0579: 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.
B0580: Seat Position Sensor Malfunction
The seat position sensor is not functioning correctly, causing issues with seat adjustment, locking, or unlocking.
B0581: Headlight Dimmer Switch Malfunction
The B0581 code indicates a malfunction in the headlight dimmer switch, which controls the brightness of the headlights. This can cause the headlights to remain at a fixed brightness or not dim properly.
B0582: Body System Security Malfunction
This code indicates a malfunction in the vehicle's security system, which may prevent the vehicle from starting or cause other issues.
B0583: Audio System Malfunction
The B0583 code indicates a malfunction in the audio system, which can cause issues with sound quality, volume control, or radio functionality.
B0584: Airbag System Fault
A fault has been detected in the airbag system, which may prevent the airbags from deploying in the event of a crash.
B0585: Climate Control Actuator Malfunction
The climate control system has detected a malfunction in the actuator, which controls the temperature and air flow in the vehicle.
B0586: 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.
B0587: Power Window Circuit Malfunction
The power window circuit has malfunctioned, preventing one or more windows from functioning properly.
B0588: Seat Switch Circuit Malfunction
The B0588 code indicates a malfunction in the seat switch circuit, which controls the position and function of the vehicle's seats.
B0589: Exterior Lighting Malfunction
This code indicates a problem with the exterior lighting system, such as faulty headlights, taillights, or turn signals.
B0590: Immobilizer System Malfunction
The immobilizer system has malfunctioned, preventing the vehicle from starting or running. This code indicates a problem with the immobilizer system's communication with the engine control module.
B0591: Audio System Malfunction
The B0591 code indicates a malfunction in the audio system, likely due to a faulty amplifier or wiring issue.
B0592: Airbag System Malfunction
The airbag system has malfunctioned, and the code indicates a problem with the airbag sensor or wiring.
B0593: Climate Control Actuator Malfunction
The B0593 code indicates a malfunction in the climate control system, specifically with the actuator that controls the temperature and fan speed. This can cause the system to malfunction, resulting in uneven heating or cooling, or failure to maintain the desired temperature.
B0594: Door Locks Actuator Malfunction
The B0594 code indicates a malfunction in the door lock actuator, which may be causing issues with door lock operation, such as failure to lock or unlock, or erratic behavior.
B0595: Window Regulator Malfunction
The B0595 code indicates a problem with the window regulator, which controls the movement of the window up and down. This code is usually triggered when the regulator motor is faulty or the regulator itself is damaged.
B0596: Seat Adjustment Actuator Malfunction
The seat adjustment actuator is malfunctioning, preventing the seat from moving properly. This code is typically set when the seat adjustment motor is faulty or there is an issue with the seat adjustment control module.
B0597: Turn Signal Lamp Malfunction
The B0597 code indicates a malfunction in the turn signal lamp circuit, which can cause the turn signals to malfunction or not function at all.
B0598: 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 antenna.
B0599: Audio System Malfunction
The B0599 code indicates a malfunction in the audio system, likely due to a faulty amplifier, speaker, or wiring issue.