THE CODE DIRECTORY
Diagnostic code references — Page 108.
Browse canonical reference entries. Each definition keeps its own source and vehicle-applicability limits.
Generic OBD-II
U011A
Lost Communication With Exhaust Gas Sensor Module A
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Generic OBD-II
U011B
Lost Communication With Rocker Arm Control Module A
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Generic OBD-II
U011C
Lost Communication With Rocker Arm Control Module B
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Generic OBD-II
U011D
Lost Communication With All Wheel Drive Control Module
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Generic OBD-II
U011E
Lost Communication With Throttle Actuator B Control Module
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Generic OBD-II
U011F
Lost Communication With V2X Module
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Generic OBD-II
U0120
Lost Communication With Starter / Generator Control Module
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Generic OBD-II
U0121
Lost Communication With Anti-Lock Brake System (ABS) Control Module A
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Generic OBD-II
U0122
Lost Communication With Vehicle Dynamics Control Module
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Generic OBD-II
U0123
Lost Communication With Yaw Rate Sensor Module
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Generic OBD-II
U0124
Lost Communication With Lateral Acceleration Sensor Module
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Generic OBD-II
U0125
Lost Communication With Multi-axis Acceleration Sensor Module A
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Generic OBD-II
U0126
Lost Communication With Steering Angle Sensor Module
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Generic OBD-II
U0127
Lost Communication With Tire Pressure Monitor Module
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Generic OBD-II
U0128
Lost Communication With Park Brake Control Module
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Generic OBD-II
U0129
Lost Communication With Brake System Control Module A
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Generic OBD-II
U012A
Lost Communication With Chassis Control Module A
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Generic OBD-II
U012B
Lost Communication With Chassis Control Module B
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Generic OBD-II
U012C
Lost Communication With Active Vibration Control Module
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Generic OBD-II
U012D
Lost Communication With Generator A Control Module
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Generic OBD-II
U012E
Lost Communication With Camshaft Position Control Module
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Generic OBD-II
U012F
Lost Communication With Generator B Control Module
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Generic OBD-II
U0130
Lost Communication With Steering Effort Control Module
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Generic OBD-II
U0131
Lost Communication With Power Steering Control Module A
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Generic OBD-II
U0132
Lost Communication With Suspension Control Module A
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Generic OBD-II
U0133
Lost Communication With Active Roll Control Module
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Generic OBD-II
U0134
Lost Communication With Power Steering Control Module - Rear
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Generic OBD-II
U0135
Lost Communication With Differential Control Module - Front
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Generic OBD-II
U0136
Lost Communication With Differential Control Module - Rear
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Generic OBD-II
U0137
Lost Communication With Trailer Brake Control Module
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Generic OBD-II
U0138
Lost Communication With All Terrain Control Module
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Generic OBD-II
U0139
Lost Communication With Suspension Control Module B
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Generic OBD-II
U013C
Lost Communication With Accelerator Pedal Module
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Generic OBD-II
U013D
Lost Communication With Vacuum Sensor A
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Generic OBD-II
U013E
Lost Communication With Vacuum Sensor B
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Generic OBD-II
U013F
Lost Communication With Pedestrian Alert Control Module
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Generic OBD-II
U0140
Lost Communication With Body Control Module
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Generic OBD-II
U0141
Lost Communication With Body Control Module A
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Generic OBD-II
U0142
Lost Communication With Body Control Module B
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Generic OBD-II
U0143
Lost Communication With Body Control Module C
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Generic OBD-II
U0144
Lost Communication With Body Control Module D
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Generic OBD-II
U0145
Lost Communication With Body Control Module E
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Generic OBD-II
U0146
Lost Communication With Serial Data Gateway Module A
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Generic OBD-II
U0147
Lost Communication With Serial Data Gateway Module B
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Generic OBD-II
U0148
Lost Communication With Serial Data Gateway Module C
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Generic OBD-II
U0149
Lost Communication With Serial Data Gateway Module D
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Generic OBD-II
U014A
Lost Communication With Battery Energy Control Module C
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Generic OBD-II
U014B
Lost Communication With Hybrid/EV Battery Inductive Charging Module
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Generic OBD-II
U014C
Lost Communication With Battery Energy Control Module D
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Generic OBD-II
U014D
Lost Communication with Mirror Control Module B
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Generic OBD-II
U014E
Lost Communication With Multi-axis Acceleration Sensor Module B
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Generic OBD-II
U0150
Lost Communication With Serial Data Gateway Module E
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Generic OBD-II
U0151
Lost Communication With Restraints Control Module
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Generic OBD-II
U0152
Lost Communication With Side Restraints Control Module - Left
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Generic OBD-II
U0153
Lost Communication With Side Restraints Control Module - Right
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Generic OBD-II
U0154
Lost Communication With Restraints Occupant Classification System Module
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Generic OBD-II
U0155
Lost Communication With Instrument Panel Cluster (IPC) Control Module
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Generic OBD-II
U0156
Lost Communication With Information Center A
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Generic OBD-II
U0157
Lost Communication With Information Center B
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Generic OBD-II
U0158
Lost Communication With Head Up Display
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Generic OBD-II
U0159
Lost Communication With Parking Assist Control Module A
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Generic OBD-II
U015A
Lost Communication With Anti-Lock Brake System (ABS) Control Module B
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Generic OBD-II
U015B
Lost Communication With Power Steering Control Module “B”
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Generic OBD-II
U015C
Lost Communication With Automated Driving System Control Module A
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Generic OBD-II
U015D
Lost Communication With Automated Driving System Control Module B
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Generic OBD-II
U015E
Lost Communication With Automated Driving System Interface Module “A”
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Generic OBD-II
U015F
Lost Communication With Automated Driving System Interface Module “B
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Generic OBD-II
U0160
Lost Communication With Audible Alert Control Module
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Generic OBD-II
U0161
Lost Communication With Compass Module
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Generic OBD-II
U0162
Lost Communication With Navigation Display Module
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Generic OBD-II
U0163
Lost Communication With Navigation Control Module
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Generic OBD-II
U0164
Lost Communication With HVAC Control Module
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Generic OBD-II
U0165
Lost Communication With HVAC Control Module - Rear
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Generic OBD-II
U0166
Lost Communication With Auxiliary Heater Control Module
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Generic OBD-II
U0167
Lost Communication With Vehicle Immobilizer Control Module
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Generic OBD-II
U0168
Lost Communication With Vehicle Security Control Module
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Generic OBD-II
U0169
Lost Communication With Sunroof Control Module
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Generic OBD-II
U016A
Lost Communication With Global Positioning System Module
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Generic OBD-II
U016B
Lost Communication With A/C Compressor Control Module
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Generic OBD-II
U016C
Lost Communication With Fuel Pump Control Module B
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Generic OBD-II
U016D
Lost Communication With Exhaust Gas Sensor Module B
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Generic OBD-II
U0170
Lost Communication With Restraints System Sensor A
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Generic OBD-II
U0171
Lost Communication With Restraints System Sensor B
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Generic OBD-II
U0172
Lost Communication With Restraints System Sensor C
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Generic OBD-II
U0173
Lost Communication With Restraints System Sensor D
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Generic OBD-II
U0174
Lost Communication With Restraints System Sensor E
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Generic OBD-II
U0175
Lost Communication With Restraints System Sensor F
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Generic OBD-II
U0176
Lost Communication With Restraints System Sensor G
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Generic OBD-II
U0177
Lost Communication With Restraints System Sensor H
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Generic OBD-II
U0178
Lost Communication With Restraints System Sensor I
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Generic OBD-II
U0179
Lost Communication With Restraints System Sensor J
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Generic OBD-II
U017A
Lost Communication With Restraints System Sensor K
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Generic OBD-II
U017B
Lost Communication With Restraints System Sensor L
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Generic OBD-II
U017C
Lost Communication With Restraints System Sensor M
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Generic OBD-II
U017D
Lost Communication With Restraints System Sensor N
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Generic OBD-II
U017E
Lost Communication With Seat Belt Pretensioner Module A
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Generic OBD-II
U017F
Lost Communication With Seat Belt Pretensioner Module B
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Generic OBD-II
U0180
Lost Communication With Automatic Lighting Control Module
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Generic OBD-II
U0181
Lost Communication With Headlamp Leveling Control Module A
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Generic OBD-II
U0182
Lost Communication With Lighting Control Module - Front
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These are code references, not a list of confirmed faults on every vehicle. Read the source and applicability notes, then match the exact vehicle, year, engine and scan report.