All OBD2 Diagnostic Codes
Browse our complete database of 16000 diagnostic trouble codes.
B1100: Seat Switch Circuit Malfunction
The B1100 code indicates a malfunction in the seat switch circuit, which controls the seat's position, recline, or lumbar support functions.
B1101: Body System Code - Lighting Malfunction
This code indicates a malfunction in the body control module's lighting circuit, which can cause issues with exterior lights, such as headlights, taillights, or turn signals.
B1102: 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.
B1103: Audio System Malfunction
The B1103 code indicates a malfunction in the audio system, likely due to a faulty amplifier, speaker, or wiring issue.
B1104: Airbag System Fault
The airbag system has detected a fault, which may be due to a malfunctioning sensor, wiring issue, or faulty airbag module.
B1105: Climate Control System Malfunction
This code indicates a problem with the climate control system, such as a faulty temperature sensor, clogged air ducts, or a malfunctioning blower motor.
B1106: Door Locks Malfunction
This code indicates a problem with the door lock system, possibly due to a faulty lock actuator, wiring issue, or door lock module malfunction.
B1107: Power Window Switch Circuit Malfunction
The B1107 code indicates a problem with the power window switch circuit, which controls the movement of the windows. This can cause issues with window operation, such as slow or stuck movement, or failure to operate at all.
B1108: 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 adjustments, airbag deployment, and other safety features.
B1109: Malfunction of Exterior Lighting
This code indicates a problem with the exterior lighting system, such as headlights, taillights, or turn signals. The issue may be related to a faulty bulb, wiring, or a malfunctioning control module.
B1110: Body Control Module (BCM) Security System Malfunction
The Body Control Module (BCM) has detected a security system malfunction, likely due to a faulty sensor or wiring issue.
B1111: Audio System Malfunction
The B1111 code indicates a malfunction in the audio system, such as a faulty amplifier, speaker, or wiring issue.
B1112: Airbag System Fault
The airbag system has detected a fault, which may be due to a malfunctioning sensor, wiring issue, or faulty airbag module.
B1113: Climate Control Blower Motor Resistance Fault
The B1113 code indicates a fault in the climate control system, specifically a high resistance in the blower motor circuit. This can cause the blower motor to malfunction or not function at all.
B1114: Door Locks Malfunction
The B1114 code indicates a malfunction in the door lock system, which can cause issues with locking, unlocking, or both. This code is often accompanied by symptoms such as doors not locking or unlocking properly, or the door lock light on the dashboard illuminating.
B1115: Power Window Relay Circuit Malfunction
The B1115 code indicates a malfunction in the power window relay circuit, which controls the operation of the windows. This can cause issues with window movement, such as slow or stuck windows.
B1116: Seat Switch Circuit Malfunction
The B1116 code indicates a problem with the electrical circuit controlling the seat switch, which may cause issues with seat adjustment, locking, or unlocking.
B1117: Malfunction of Front Turn Signal Lamp
This code indicates a problem with the front turn signal lamp circuit, which may be due to a faulty bulb, wiring issue, or a problem with the turn signal switch.
B1118: Immobilizer System Malfunction
The immobilizer system has detected a malfunction, preventing the vehicle from starting or running. This code is often related to issues with the immobilizer key fob, keyless entry system, or the vehicle's computer.
B1119: Audio System Malfunction
The B1119 code indicates a malfunction in the audio system, possibly due to a faulty amplifier, speaker, or wiring issue.
B1120: Airbag System Fault
The B1120 code indicates a fault in the airbag system, which may prevent the airbags from deploying in the event of a crash. This code is often accompanied by other airbag-related codes.
B1121: Climate Control Blower Motor Resistance Fault
The B1121 code indicates a fault in the climate control system, specifically a high resistance in the blower motor circuit, which can cause the blower motor to malfunction or not function at all.
B1122: Door Locks Malfunction
The B1122 code indicates a malfunction in the door lock system, which can cause issues with locking and unlocking doors.
B1123: Window Regulator Malfunction
This code indicates a problem with the window regulator motor or its associated wiring, preventing the window from moving properly.
B1124: Seat Height Sensor Circuit Malfunction
The seat height sensor circuit has malfunctioned, preventing the seat from adjusting properly.
B1125: Body Control Module (BCM) Malfunction - Lighting
The Body Control Module (BCM) has detected a malfunction in the vehicle's lighting system, such as a faulty headlight, taillight, or turn signal.
B1126: Body Control Module (BCM) Security System Malfunction
The Body Control Module (BCM) has detected a malfunction in the security system, which may be caused by a faulty sensor, wiring issue, or software problem.
B1127: Audio System Malfunction
This code indicates a malfunction in the audio system, such as faulty speakers, amplifier issues, or wiring problems.
B1128: Airbag System Malfunction
The airbag system has detected a malfunction, which may be due to a faulty sensor, wiring issue, or faulty airbag module.
B1129: Climate Control Malfunction
The B1129 code indicates a malfunction in the climate control system, specifically a problem with the air mix door actuator or the blend door actuator.
B1130: Door Locks Malfunction
The B1130 code indicates a problem with the door lock system, such as faulty actuators, wiring issues, or a malfunctioning door lock module.
B1131: Power Window Circuit Malfunction
A malfunction in the power window circuit has been detected, preventing proper operation of one or more windows.
B1132: Seat Position Sensor Circuit Malfunction
The seat position sensor circuit has malfunctioned, preventing the vehicle's computer from accurately monitoring the position of the seat. This can cause issues with seat adjustment, airbag deployment, and other safety features.
B1133: Body Control Module (BCM) - Exterior Lighting Circuit Malfunction
The Body Control Module (BCM) has detected a malfunction in the exterior lighting circuit, which may be causing issues with the headlights, taillights, or other exterior lights.
B1134: 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 ensuring the correct key is used to start the vehicle.
B1135: Audio System Malfunction
The B1135 code indicates a malfunction in the vehicle's audio system, which may cause issues with sound quality, volume, or functionality.
B1136: Airbag System Malfunction
The airbag system has detected a malfunction, which may be due to a faulty sensor, wiring issue, or software problem.
B1137: Climate Control Actuator Malfunction
The B1137 code indicates a malfunction in the climate control actuator, which regulates the flow of air and temperature in the vehicle's cabin.
B1138: Door Locks Actuator Circuit Malfunction
The B1138 code indicates a malfunction in the door locks actuator circuit, which can cause issues with door locking and unlocking functions.
B1139: Power Window Relay Circuit Malfunction
The power window relay circuit has malfunctioned, preventing the windows from functioning properly. This code is typically set when the window relay circuit is open or shorted.
B1140: Seat Position Sensor Malfunction
The seat position sensor is not sending the correct signals to the vehicle's computer, indicating a problem with the seat's position or movement.
B1141: Turn Signal or Hazard Warning Light Malfunction
The B1141 code indicates a malfunction in the turn signal or hazard warning light circuit. This can cause the lights to malfunction or not function at all.
B1142: Immobilizer System Malfunction
The immobilizer system is malfunctioning, preventing the engine from starting. This code is typically set when the immobilizer system detects a problem with the key fob, ignition switch, or other security components.
B1143: Audio System Malfunction
This code indicates a malfunction in the audio system, which may cause issues with sound quality, volume, or functionality.
B1144: Airbag System Circuit Malfunction
This code indicates a malfunction in the airbag system circuit, which may prevent the airbags from deploying in the event of an accident.
B1145: Climate Control Malfunction
This code indicates a malfunction in the climate control system, which may cause issues with temperature, air flow, or humidity.
B1146: Door Locks Malfunction
This code indicates a problem with the door lock system, such as faulty actuators, wiring, or a malfunctioning body control module.
B1147: Power Window Regulator Circuit Malfunction
The power window regulator circuit has malfunctioned, preventing the window from moving properly. This code is often accompanied by a warning light on the dashboard.
B1148: Seat Position Sensor Circuit Malfunction
The seat position sensor circuit has malfunctioned, preventing the vehicle's computer from accurately detecting the seat's position.
B1149: Body Control Module (BCM) Malfunction - Lighting
The Body Control Module (BCM) has detected a malfunction in the vehicle's lighting system, which may cause issues with the headlights, taillights, or other exterior lights.