OBD2 trouble code reference
8,155 codes across 1 prefix groups on this page.
U0xxx
- U0101 Lost Communication with TCM network
- U0102 Lost Communication with Transfer Case Control Module network
- U0103 Lost Communication With Gear Shift Module network
- U0104 Lost Communication With Cruise Control Module network
- U0105 Lost Communication With Fuel Injector Control Module network
- U0106 Lost Communication With Glow Plug Control Module network
- U0107 Lost Communication With Throttle Actuator Control Module network
- U0108 Lost Communication With Alternative Fuel Control Module network
- U0109 Lost Communication With Fuel Pump Control Module network
- U010A Lost Communication With Exhaust Gas Recirculation Control Module "A network
- U010B Lost Communication With Exhaust Gas Recirculation Control Module "B network
- U010C Lost Communication With Turbocharger/Supercharger Control Module "A network
- U010D Lost Communication With Turbocharger/Supercharger Control Module "B network
- U010E Lost Communication With Reductant Control Module network
- U010F Lost Communication With Air Conditioning Control Module network
- U0110 Lost Communication With Drive Motor Control Module network
- U0111 Lost Communication With Battery Energy Control Module "A network
- U0112 Lost Communication With Battery Energy Control Module "B network
- U0113 Lost Communication With Emissions Critical Control Information network
- U0114 Lost Communication With Four-Wheel Drive Clutch Control Module network
- U0115 Lost Communication With ECM/PCM "B network
- U0116 Lost Communication With Coolant Temperature Control Module network
- U0117 Lost Communication With PTO Control Module network
- U0118 Lost Communication With Fuel Additive Control Module network
- U0119 Lost Communication With Fuel Cell Control Module network
- U011A Lost Communication With Exhaust Gas Sensor Module network
- U011B Lost Communication With Rocker Arm Control Module "A network
- U011C Lost Communication With Rocker Arm Control Module "B network
- U011D Lost Communication With All Wheel Drive Control Module network
- U011E refers to a communication issue between the engine control module (ECM) and the transmission control module (TCM) network
- U011F ISO/SAE Reserved network
- U0120 Lost Communication With Starter / Generator Control Module network
- U0121 Lost Communication With Anti-Lock Brake System (ABS) Control Module network
- U0122 Lost Communication With Vehicle Dynamics Control Module network
- U0123 Lost Communication With Yaw Rate Sensor Module network
- U0124 Lost Communication With Lateral Acceleration Sensor Module network
- U0125 Lost Communication With Multi-axis Acceleration Sensor Module network
- U0126 Lost Communication With Steering Angle Sensor Module network
- U0127 Lost Communication With Tire Pressure Monitor Module network
- U0128 Lost Communication With Park Brake Control Module network
- U0129 Lost Communication With Brake System Control Module network
- U012A stands for "Lost Communication with Vehicle Dynamics Control Module network
- U012B Lost Communication with Vehicle Dynamics Control Module network
- U012C Lost Communication with Steering Angle Sensor Module network
- U012D Lost Communication with the Steering Angle Sensor Module network
- U012E Lost Communication with the Steering Angle Sensor Module network
- U012F ISO/SAE Reserved network
- U0130 Lost Communication With Steering Effort Control Module network
- U0131 Lost Communication With Power Steering Control Module network
- U0132 Lost Communication With Ride Level Control Module network