OBD2 trouble code reference
8,157 codes across 1 prefix groups on this page.
U0xxx
- U00FFISO/SAE Reservednetwork
- U0100Lost Communication With ECM/PCM "A"network
- U0101Lost Communication with TCMnetwork
- U0102Lost Communication with Transfer Case Control Modulenetwork
- U0103Lost Communication With Gear Shift Modulenetwork
- U0104Lost Communication With Cruise Control Modulenetwork
- U0105Lost Communication With Fuel Injector Control Modulenetwork
- U0106Lost Communication With Glow Plug Control Modulenetwork
- U0107Lost Communication With Throttle Actuator Control Modulenetwork
- U0108Lost Communication With Alternative Fuel Control Modulenetwork
- U0109Lost Communication With Fuel Pump Control Modulenetwork
- U010ALost Communication With Exhaust Gas Recirculation Control Module "A"network
- U010BLost Communication With Exhaust Gas Recirculation Control Module "B"network
- U010CLost Communication With Turbocharger/Supercharger Control Module "A"network
- U010DLost Communication With Turbocharger/Supercharger Control Module "B"network
- U010ELost Communication With Reductant Control Modulenetwork
- U010FLost Communication With Air Conditioning Control Modulenetwork
- U0110Lost Communication With Drive Motor Control Modulenetwork
- U0111Lost Communication With Battery Energy Control Module "A"network
- U0112Lost Communication With Battery Energy Control Module "B"network
- U0113Lost Communication With Emissions Critical Control Informationnetwork
- U0114Lost Communication With Four-Wheel Drive Clutch Control Modulenetwork
- U0115Lost Communication With ECM/PCM "B"network
- U0116Lost Communication With Coolant Temperature Control Modulenetwork
- U0117Lost Communication With PTO Control Modulenetwork
- U0118Lost Communication With Fuel Additive Control Modulenetwork
- U0119Lost Communication With Fuel Cell Control Modulenetwork
- U011ALost Communication With Exhaust Gas Sensor Modulenetwork
- U011BLost Communication With Rocker Arm Control Module "A"network
- U011CLost Communication With Rocker Arm Control Module "B"network
- U011DLost Communication With All Wheel Drive Control Modulenetwork
- U011ECommunication issue between the engine control module (ECM) and the transmission control module (TCM)network
- U011FISO/SAE Reservednetwork
- U0120Lost Communication With Starter / Generator Control Modulenetwork
- U0121Lost Communication With Anti-Lock Brake System (ABS) Control Modulenetwork
- U0122Lost Communication With Vehicle Dynamics Control Modulenetwork
- U0123Lost Communication With Yaw Rate Sensor Modulenetwork
- U0124Lost Communication With Lateral Acceleration Sensor Modulenetwork
- U0125Lost Communication With Multi-axis Acceleration Sensor Modulenetwork
- U0126Lost Communication With Steering Angle Sensor Modulenetwork
- U0127Lost Communication With Tire Pressure Monitor Modulenetwork
- U0128Lost Communication With Park Brake Control Modulenetwork
- U0129Lost Communication With Brake System Control Modulenetwork
- U012ALost Communication with Vehicle Dynamics Control Modulenetwork
- U012BLost Communication with Vehicle Dynamics Control Modulenetwork
- U012CLost Communication with Steering Angle Sensor Modulenetwork
- U012DLost Communication with the Steering Angle Sensor Modulenetwork
- U012ELost Communication with the Steering Angle Sensor Modulenetwork
- U012FISO/SAE Reservednetwork
- U0130Lost Communication With Steering Effort Control Modulenetwork