All OBD2 Diagnostic Codes
Browse our complete database of 16000 diagnostic trouble codes.
B0150: Immobilizer System Malfunction
The Immobilizer System has detected a malfunction, preventing the engine from starting or running. This code is usually triggered by a faulty immobilizer sensor, wiring issue, or incorrect key programming.
B0151: Audio System Malfunction
The B0151 code indicates a malfunction in the audio system, such as a faulty amplifier, speaker, or wiring issue.
B0152: Airbag System Fault
The airbag system has detected a fault, which may be caused by a malfunctioning airbag module, wiring issue, or faulty sensor.
B0153: Climate Control Blower Motor Fault
The B0153 code indicates a fault in the climate control blower motor circuit, which can cause issues with airflow and temperature regulation.
B0154: Door Locks Malfunction
The B0154 code indicates a malfunction in the door lock system, which can cause issues with door locking and unlocking.
B0155: Window Regulator Malfunction
The B0155 code indicates a problem with the window regulator, which controls the movement of the window up and down. This can cause the window to malfunction or not function at all.
B0156: Seat Position Sensor Malfunction
The seat position sensor is not functioning correctly, preventing the seat from moving to the correct position or causing the seat to move unexpectedly.
B0157: Exterior Lighting Malfunction
The B0157 code indicates a malfunction in the exterior lighting system, such as the headlights, taillights, or turn signals.
B0158: Immobilizer System Malfunction
The immobilizer system has detected an error, preventing the vehicle from starting. This code indicates a problem with the immobilizer system's communication or authentication process.
B0159: Audio System Malfunction
This code indicates a malfunction in the audio system, such as no sound, distorted sound, or inability to change tracks.
B0160: Airbag System Malfunction
The airbag system has malfunctioned, likely due to a wiring or sensor issue, preventing the airbags from deploying properly in the event of a crash.
B0161: Climate Control Temperature Sensor Circuit Malfunction
The B0161 code indicates a malfunction in the temperature sensor circuit of the climate control system, which may cause inaccurate temperature readings or failure to maintain a set temperature.
B0162: Door Locks Malfunction
This code indicates a malfunction in the door lock system, likely due to a faulty door lock actuator, wiring issue, or a problem with the body control module.
B0163: Power Window Regulator Malfunction
The B0163 code indicates a malfunction in the power window regulator system, which can cause windows to malfunction or fail to operate properly.
B0164: Seat Position Sensor Circuit Malfunction
The seat position sensor circuit has malfunctioned, preventing the vehicle's computer from accurately detecting the seat's position. This can cause issues with seat adjustment, airbag deployment, and other safety features.
B0165: Turn Signal or Hazard Warning Light Malfunction
This code indicates a problem with the turn signal or hazard warning light circuit, preventing proper function or illumination.
B0166: Body System Security Malfunction
The B0166 code indicates a security system malfunction in the vehicle's body control module. This can cause issues with door locks, alarm systems, and other security-related functions.
B0167: Audio System Malfunction
This code indicates a malfunction in the audio system, such as no sound or distorted sound, due to a faulty amplifier, speaker, or wiring issue.
B0168: Airbag System Fault
The airbag system has detected a fault, which may be due to a malfunctioning sensor, wiring issue, or faulty airbag module.
B0169: Climate Control Temperature Sensor Malfunction
The B0169 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.
B0170: Door Locks Malfunction
The B0170 code indicates a malfunction in the door lock system, which can cause issues with door locking and unlocking functions.
B0171: Power Window Circuit Malfunction
The Body Control Module (BCM) has detected a malfunction in the power window circuit, preventing one or more windows from operating properly.
B0172: 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.
B0173: Exterior Light Malfunction
The body control module (BCM) has detected a malfunction in the exterior lighting system, such as a faulty headlight, taillight, or turn signal.
B0174: Body Control Module (BCM) Security System Malfunction
The Body Control Module (BCM) has detected a security system malfunction, which may cause the vehicle to enter a fail-safe mode or prevent certain features from functioning.
B0175: Audio System Malfunction
The B0175 code indicates a malfunction in the audio system, which may cause issues with sound quality, volume, or functionality.
B0176: Airbag System Malfunction
The airbag system has detected a malfunction, which may be due to a faulty sensor, wiring issue, or faulty airbag module.
B0177: Climate Control System Malfunction
This code indicates a malfunction in the climate control system, possibly due to a faulty temperature sensor, faulty blower motor, or a problem with the system's electrical circuit.
B0178: Door Locks Malfunction
The B0178 code indicates a problem with the door lock system, possibly due to a faulty door lock actuator, wiring issue, or a problem with the body control module.
B0179: Power Window Relay Circuit Malfunction
The power window relay circuit is malfunctioning, preventing the windows from functioning properly.
B0180: Seat Switch Circuit Malfunction
The B0180 code indicates a problem with the seat switch circuit, which controls the seat's position and function. This can cause issues with seat movement, locking, or unlocking.
B0181: Body Control Module (BCM) - Low Beam Headlight Relay Circuit Malfunction
The Body Control Module (BCM) has detected a malfunction in the low beam headlight relay circuit, which may cause the low beam headlights to malfunction or not function at all.
B0182: 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.
B0183: Audio System Fault
The B0183 code indicates a fault in the audio system, possibly due to a malfunctioning amplifier, speaker, or wiring issue.
B0184: Airbag System Fault
The airbag system has detected a fault in the deployment mechanism or wiring. This code indicates a problem with the airbag system's functionality.
B0185: Climate Control Fan Motor Control Circuit Malfunction
The B0185 code indicates a malfunction in the climate control fan motor control circuit, which may cause the fan to malfunction or not turn on.
B0186: Door Locks Actuator Malfunction
The B0186 code indicates a malfunction in the door lock actuator, which may prevent the doors from locking or unlocking properly.
B0187: Power Window Circuit Malfunction
The B0187 code indicates a problem with the power window circuit, which may cause the window to malfunction or not function at all.
B0188: Seat Switch Circuit Malfunction
The B0188 code indicates a problem with the seat switch circuit, which controls the seat's position, recline, or lumbar support. This can cause issues with seat adjustment, warning lights on the dashboard, and potentially even affect airbag deployment.
B0189: Front Turn Signal Lamp Malfunction
The B0189 code indicates a malfunction in the front turn signal lamp circuit, which may cause the turn signal lights to malfunction or not function at all.
B0190: 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.
B0191: Audio System Malfunction
The Body System diagnostic trouble code B0191 indicates a malfunction in the audio system, which may cause issues with sound quality, volume, or functionality.
B0192: Airbag System Fault
The airbag system has detected a fault, which may be related to a faulty sensor, wiring issue, or module malfunction.
B0193: Climate Control Actuator Malfunction
The B0193 code indicates a malfunction in the climate control actuator, which regulates the flow of air through the vehicle's heating and air conditioning system.
B0194: Door Locks Actuator Circuit Malfunction
The B0194 code indicates a malfunction in the door locks actuator circuit, which may cause issues with door locking and unlocking functions.
B0195: Power Window Regulator Circuit Malfunction
The power window regulator circuit has malfunctioned, preventing the window from moving properly. This code is typically set when the window is stuck or not moving correctly.
B0196: Seat Switch Circuit Malfunction
The B0196 code indicates a malfunction in the seat switch circuit, which controls the position and function of the vehicle's seats.
B0197: Turn Signal Lamp Malfunction
The B0197 code indicates a problem with the turn signal lamp circuit, likely due to a faulty turn signal switch, wiring issue, or a malfunctioning turn signal lamp.
B0198: Immobilizer System Malfunction
The immobilizer system has detected a malfunction, preventing the engine from starting. This code indicates a problem with the immobilizer system, which is designed to prevent theft by disabling the engine unless the correct key is present.
B0199: Audio System Malfunction
This code indicates a malfunction in the audio system, such as a faulty amplifier, speaker, or wiring issue.