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DTC Code Glossary

Look up any of the 1,527 OBD-II diagnostic trouble codes in our database — what it means, and how we can permanently remove it from your ECU.

All P B C U
U008F
Vehicle Communication Bus G (-) Low
U0090
Vehicle Communication Bus G (-) High
U0091
Vehicle Communication Bus G (-) shorted to Bus G (+)
U0092
Vehicle Communication Bus H
U0093
Vehicle Communication Bus H Performance
U0094
Vehicle Communication Bus H (+) Open
U0095
Vehicle Communication Bus H (+) Low
U0096
Vehicle Communication Bus H (+) High
U0097
Vehicle Communication Bus H (-) Open
U0098
Vehicle Communication Bus H (-) Low
U0099
Vehicle Communication Bus H (-) High
U009A
Vehicle Communication Bus H (-) shorted to Bus H (+)
U009B
Vehicle Communication Bus I
U009C
Vehicle Communication Bus I Performance
U009D
Vehicle Communication Bus J
U009E
Vehicle Communication Bus J Performance
U0100
Lost Communication With ECM/PCM A
U0101
Lost Communication With TCM
U0102
Lost Communication With Transfer Case Control Module
U0103
Lost Communication With Gear Shift Control Module A
U0104
Lost Communication With Cruise Control Module
U0105
Lost Communication With Fuel Injector Control Module
U0106
Lost Communication With Glow Plug Control Module 1
U0107
Lost Communication With Throttle Actuator A Control Module
U0108
Lost Communication With Alternative Fuel Control Module
U0109
Lost Communication With Fuel Pump Control Module A
U010A
Lost Communication With Exhaust Gas Recirculation Control Module A
U010B
Lost Communication With Exhaust Gas Recirculation Control Module B
U010C
Lost Communication With Turbocharger/Supercharger Control Module A
U010D
Lost Communication With Turbocharger/Supercharger Control Module B
U010E
Lost Communication With Reductant Control Module
U010F
Lost Communication With Air Conditioning Control Module
U0110
Lost Communication With Drive Motor Control Module A
U0111
Lost Communication With Battery Energy Control Module A
U0112
Lost Communication With Battery Energy Control Module B
U0113
Lost Communication With Emissions Critical Control Information
U0114
Lost Communication With Four-Wheel Drive Clutch Control Module
U0115
Lost Communication With ECM/PCM B
U0116
Lost Communication With Coolant Temperature Control Module
U0117
Lost Communication With PTO Control Module
U0118
Lost Communication With Fuel Additive Control Module
U0119
Lost Communication With Fuel Cell Control Module
U011A
Lost Communication With Exhaust Gas Sensor Module A
U011B
Lost Communication With Rocker Arm Control Module A
U011C
Lost Communication With Rocker Arm Control Module B
U011D
Lost Communication With All Wheel Drive Control Module
U011E
Lost Communication With Throttle Actuator B Control Module
U011F
Lost Communication With V2X Module
U0120
Lost Communication With Starter / Generator Control Module
U0121
Lost Communication With Anti-Lock Brake System (ABS) Control Module A
U0122
Lost Communication With Vehicle Dynamics Control Module
U0123
Lost Communication With Yaw Rate Sensor Module
U0124
Lost Communication With Lateral Acceleration Sensor Module
U0125
Lost Communication With Multi-axis Acceleration Sensor Module A
U0126
Lost Communication With Steering Angle Sensor Module
U0127
Lost Communication With Tire Pressure Monitor Module
U0128
Lost Communication With Park Brake Control Module
U0129
Lost Communication With Brake System Control Module A
U012A
Lost Communication With Chassis Control Module A
U012B
Lost Communication With Chassis Control Module B
U012C
Lost Communication With Active Vibration Control Module
U012D
Lost Communication With Generator A Control Module
U012E
Lost Communication With Camshaft Position Control Module
U012F
Lost Communication With Generator B Control Module
U0130
Lost Communication With Steering Effort Control Module
U0131
Lost Communication With Power Steering Control Module A
U0132
Lost Communication With Suspension Control Module A
U0133
Lost Communication With Active Roll Control Module
U0134
Lost Communication With Power Steering Control Module - Rear
U0135
Lost Communication With Differential Control Module - Front
U0136
Lost Communication With Differential Control Module - Rear
U0137
Lost Communication With Trailer Brake Control Module
U0138
Lost Communication With All Terrain Control Module
U0139
Lost Communication With Suspension Control Module B
U013C
Lost Communication With Accelerator Pedal Module
U013D
Lost Communication With Vacuum Sensor A
U013E
Lost Communication With Vacuum Sensor B
U013F
Lost Communication With Pedestrian Alert Control Module
U0140
Lost Communication With Body Control Module
U0141
Lost Communication With Body Control Module A
U0142
Lost Communication With Body Control Module B
U0143
Lost Communication With Body Control Module C
U0144
Lost Communication With Body Control Module D
U0145
Lost Communication With Body Control Module E
U0146
Lost Communication With Serial Data Gateway Module A
U0147
Lost Communication With Serial Data Gateway Module B
U0148
Lost Communication With Serial Data Gateway Module C
U0149
Lost Communication With Serial Data Gateway Module D
U014A
Lost Communication With Battery Energy Control Module C
U014B
Lost Communication With Hybrid/EV Battery Inductive Charging Module
U014C
Lost Communication With Battery Energy Control Module D
U014D
Lost Communication with Mirror Control Module B
U014E
Lost Communication With Multi-axis Acceleration Sensor Module B
U0150
Lost Communication With Serial Data Gateway Module E
U0151
Lost Communication With Restraints Control Module
U0152
Lost Communication With Side Restraints Control Module - Left
U0153
Lost Communication With Side Restraints Control Module - Right
U0154
Lost Communication With Restraints Occupant Classification System Module
U0155
Lost Communication With Instrument Panel Cluster (IPC) Control Module
U0156
Lost Communication With Information Center A