All OBD2 Diagnostic Codes
Browse our complete database of 16000 diagnostic trouble codes.
B1850: Door Locks Circuit Malfunction
The B1850 code indicates a malfunction in the door locks circuit, which can cause issues with door locking and unlocking functions.
B1851: Power Window Circuit Malfunction
The B1851 code indicates a problem with the power window circuit, which may cause windows to malfunction or not function at all.
B1852: 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.
B1853: Exterior Lighting Malfunction
The B1853 code indicates a problem with the exterior lighting system, such as a faulty headlight, taillight, or turn signal.
B1854: 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.
B1855: Audio System Fault
The B1855 code indicates a malfunction in the audio system, likely due to a faulty amplifier, speaker, or wiring issue.
B1856: Airbag System Fault
The airbag system has detected a fault, which may be due to a malfunctioning sensor, wiring issue, or faulty airbag module.
B1857: Climate Control Actuator Malfunction
The B1857 code indicates a malfunction in the climate control actuator, which regulates the flow of air and temperature in the vehicle's cabin.
B1858: Door Locks Actuator Malfunction
The B1858 code indicates a malfunction in the door lock actuator, which may cause the doors to malfunction or not lock/unlock properly.
B1859: Power Window Relay Circuit Malfunction
The power window relay circuit has malfunctioned, preventing the windows from functioning properly.
B1860: Seat Position Sensor Circuit Malfunction
The seat position sensor circuit has malfunctioned, preventing the vehicle's computer from accurately detecting the seat's position.
B1861: 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.
B1862: 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.
B1863: Audio System Malfunction
The B1863 code indicates a malfunction in the audio system, possibly due to a faulty amplifier, speaker, or wiring issue.
B1864: Airbag System Fault
The airbag system has detected a fault, which may be due to a malfunctioning sensor, wiring issue, or faulty airbag module.
B1865: Climate Control Fan Motor Malfunction
The B1865 code indicates a malfunction in the climate control fan motor, which may cause the fan to stop working or operate erratically.
B1866: Door Locks Actuator Malfunction
The door locks actuator is malfunctioning, preventing the doors from locking or unlocking properly.
B1867: Power Window Relay Circuit Malfunction
The power window relay circuit has malfunctioned, preventing the windows from functioning properly.
B1868: Seat Position Sensor Circuit Malfunction
The seat position sensor circuit has malfunctioned, preventing the vehicle's computer from accurately detecting the seat's position.
B1869: Body System Code for Lighting Malfunction
This code indicates a problem with the vehicle's lighting system, such as a faulty headlight, taillight, or turn signal.
B1870: Immobilizer System Malfunction
The immobilizer system has detected a malfunction, preventing the engine from starting. This code is usually triggered by a faulty immobilizer sensor, wiring issue, or a problem with the keyless entry system.
B1871: Audio System Fault
The B1871 code indicates a malfunction in the audio system, possibly due to a faulty amplifier, speaker, or wiring issue.
B1872: Airbag System Fault
The airbag system has detected a fault, which may be due to a malfunctioning sensor, wiring issue, or faulty airbag module.
B1873: Climate Control Blower Motor Malfunction
The B1873 code indicates a malfunction in the climate control blower motor, which may cause issues with airflow and temperature regulation.
B1874: Door Locks Malfunction
This code indicates a malfunction in the door lock system, which may cause doors to lock or unlock unexpectedly, or fail to lock/unlock at all.
B1875: Power Window Relay Circuit Malfunction
The power window relay circuit has malfunctioned, preventing the windows from functioning properly.
B1876: Seat Position Sensor Circuit Malfunction
The seat position sensor circuit has malfunctioned, preventing the vehicle's computer from accurately detecting the seat's position.
B1877: Exterior Lighting Malfunction
This code indicates a problem with the exterior lighting system, such as a faulty headlight, taillight, or turn signal.
B1878: 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.
B1879: Audio System Malfunction
The B1879 code indicates a malfunction in the audio system, possibly due to a faulty amplifier, speaker, or wiring issue.
B1880: Airbag System Fault
The airbag system has detected a fault, which may be caused by a malfunctioning sensor, wiring issue, or faulty airbag module.
B1881: 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.
B1882: Door Locks Actuator Circuit Malfunction
The B1882 code indicates a malfunction in the door locks actuator circuit, which may cause issues with door locking and unlocking functions.
B1883: Power Window Regulator Malfunction
The power window regulator is malfunctioning, preventing the window from moving properly.
B1884: Seat Position Sensor Circuit Malfunction
The seat position sensor circuit has malfunctioned, preventing the vehicle's computer from accurately detecting the seat's position.
B1885: Body Control Module (BCM) Malfunction - Lighting
The Body Control Module (BCM) has detected a malfunction in the lighting system, which may cause issues with the vehicle's exterior lights, such as the headlights, taillights, or turn signals.
B1886: Body Control Module (BCM) Security System Malfunction
The Body Control Module (BCM) has detected a security system malfunction, which may be caused by a faulty sensor, wiring issue, or software problem.
B1887: Audio System Malfunction
The B1887 code indicates a malfunction in the audio system, which can cause issues with sound quality, volume control, or even complete loss of audio functionality.
B1888: Airbag System Fault
The airbag system has detected a fault, which may be due to a malfunctioning sensor, wiring issue, or faulty airbag module.
B1889: Climate Control System Malfunction
This code indicates a malfunction in the climate control system, which may cause issues with temperature regulation, air flow, or fan operation.
B1890: Door Locks Malfunction
The B1890 code indicates a malfunction in the door lock system, which can cause issues with locking and unlocking the doors.
B1891: Power Window Regulator Malfunction
The power window regulator has failed, preventing the window from moving properly. This code is often accompanied by a warning light on the dashboard.
B1892: Seat Position Sensor Circuit Malfunction
The seat position sensor circuit has malfunctioned, preventing the vehicle's computer from accurately detecting the seat's position.
B1893: Exterior Lighting Malfunction
The B1893 code indicates a malfunction in the exterior lighting system, such as the headlights, taillights, or turn signals.
B1894: 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.
B1895: Audio System Malfunction
The B1895 code indicates a malfunction in the audio system, possibly due to a faulty amplifier, speaker, or wiring issue.
B1896: Airbag System Fault
The airbag system has detected a fault, which may be related to the airbag module, sensors, or wiring.
B1897: Climate Control Actuator Malfunction
The B1897 code indicates a malfunction in the climate control actuator, which regulates the flow of air and temperature in the vehicle's cabin.
B1898: Door Locks Actuator Malfunction
The B1898 code indicates a malfunction in the door lock actuator, which may cause issues with door locking and unlocking functions.
B1899: Power Window Circuit Malfunction
The power window circuit has malfunctioned, preventing the windows from functioning properly. This code is typically set when the window regulator or motor is faulty.