U0000 – U03E7
Network diagnostic trouble codes — 326 codes in this range.
| Code | Description | |
|---|---|---|
| U0100 | Lost Communication With ECM/PCM A | Details → |
| U0101 | Lost Communication with TCM | Details → |
| U0102 | Lost Communication with Transfer Case Control Module | Details → |
| U0103 | Lost Communication With Gear Shift Module | Details → |
| U0104 | Lost Communication With Cruise Control Module | Details → |
| U0105 | Lost Communication With Fuel Injector Control Module | Details → |
| U0106 | Lost Communication With Glow Plug Control Module | Details → |
| U0107 | Lost Communication With Throttle Actuator Control Module | Details → |
| U0108 | Lost Communication With Alternative Fuel Control Module | Details → |
| U0109 | Lost Communication With Fuel Pump Control Module | Details → |
| U010A | Lost Communication With Exhaust Gas Recirculation Control Module A | Details → |
| U010B | Lost Communication With Exhaust Gas Recirculation Control Module B | Details → |
| U010C | Lost Communication With Turbocharger/Supercharger Control Module A | Details → |
| U010D | Lost Communication With Turbocharger/Supercharger Control Module B | Details → |
| U010E | Lost Communication With Reductant Control Module | Details → |
| U010F | Lost Communication With Air Conditioning Control Module | Details → |
| U0110 | Lost Communication With Drive Motor Control Module | Details → |
| U0111 | Lost Communication With Battery Energy Control Module A | Details → |
| U0112 | Lost Communication With Battery Energy Control Module B | Details → |
| U0113 | Lost Communication With Emissions Critical Control Information | Details → |
| U0114 | Lost Communication With Four-Wheel Drive Clutch Control Module | Details → |
| U0115 | Lost Communication With ECM/PCM B | Details → |
| U0116 | Lost Communication With Coolant Temperature Control Module | Details → |
| U0117 | Lost Communication With PTO Control Module | Details → |
| U0118 | Lost Communication With Fuel Additive Control Module | Details → |
| U0119 | Lost Communication With Fuel Cell Control Module | Details → |
| U011A | Lost Communication With Exhaust Gas Sensor Module | Details → |
| U011B | Lost Communication With Rocker Arm Control Module A | Details → |
| U011C | Lost Communication With Rocker Arm Control Module B | Details → |
| U011D | Lost Communication With All Wheel Drive Control Module | Details → |
| U011E | , U011F ISO/SAE Reserved | Details → |
| U0120 | Lost Communication With Starter / Generator Control Module | Details → |
| U0121 | Lost Communication With Anti-Lock Brake System (ABS) Control Module | Details → |
| U0122 | Lost Communication With Vehicle Dynamics Control Module | Details → |
| U0123 | Lost Communication With Yaw Rate Sensor Module | Details → |
| U0124 | Lost Communication With Lateral Acceleration Sensor Module | Details → |
| U0125 | Lost Communication With Multi-axis Acceleration Sensor Module | Details → |
| U0126 | Lost Communication With Steering Angle Sensor Module | Details → |
| U0127 | Lost Communication With Tire Pressure Monitor Module | Details → |
| U0128 | Lost Communication With Park Brake Control Module | Details → |
| U0129 | Lost Communication With Brake System Control Module | Details → |
| U012A | , U012B, U012C, U012D, U012E, U012F ISO/SAE Reserved | Details → |
| U012D | — | Details → |
| U0130 | Lost Communication With Steering Effort Control Module | Details → |
| U0131 | Lost Communication With Power Steering Control Module | Details → |
| U0132 | Lost Communication With Ride Level Control Module | Details → |
| U0133 | Lost Communication With Active Roll Control Module | Details → |
| U0134 | Lost Communication With Power Steering Control Module Rear | Details → |
| U0135 | Lost Communication With Differential Control ModuleFront | Details → |
| U0136 | Lost Communication With Differential Control ModuleRear | Details → |
| U0137 | Lost Communication With Trailer Brake Control Module | Details → |
| U0138 | Lost Communication With All Terrain Control Module | Details → |
| U0139 | Lost Communication With Suspension Control Module B | Details → |
| U013A | , U013B, U013C, U013D, U013E, U013F ISO/SAE Reserved | Details → |
| U013C | Lost Communication With Accelerator Pedal Module | Details → |
| U0140 | Lost Communication With Body Control Module | Details → |
| U0141 | Lost Communication With Body Control Module A | Details → |
| U0142 | Lost Communication With Body Control Module B | Details → |
| U0143 | Lost Communication With Body Control Module C | Details → |
| U0144 | Lost Communication With Body Control Module D | Details → |
| U0145 | Lost Communication With Body Control Module E | Details → |
| U0146 | Lost Communication With Gateway A | Details → |
| U0147 | Lost Communication With Gateway B | Details → |
| U0148 | Lost Communication With Gateway C | Details → |
| U0149 | Lost Communication With Gateway D | Details → |
| U014A | , U014B, U014C, U014D, U014E, U014F ISO/SAE Reserved | Details → |
| U014B | — | Details → |
| U0150 | Lost Communication With Gateway E | Details → |
| U0151 | Lost Communication With Restraints Control Module | Details → |
| U0152 | Lost Communication With Side Restraints Control Module Left | Details → |
| U0153 | Lost Communication With Side Restraints Control Module Right | Details → |
| U0154 | Lost Communication With Restraints Occupant Sensing Control Module | Details → |
| U0155 | Lost Communication With Instrument Panel Cluster (IPC) Control Module | Details → |
| U0156 | Lost Communication With Information Center A | Details → |
| U0157 | Lost Communication With Information Center B | Details → |
| U0158 | Lost Communication With Head Up Display | Details → |
| U0159 | Lost Communication With Parking Assist Control Module A | Details → |
| U015A | , U015B, U015C, U015D, U015E, U015F ISO/SAE Reserved | Details → |
| U0160 | Lost Communication With Audible Alert Control Module | Details → |
| U0161 | Lost Communication With Compass Module | Details → |
| U0162 | Lost Communication With Navigation Display Module | Details → |
| U0163 | Lost Communication With Navigation Control Module | Details → |
| U0164 | Lost Communication With HVAC Control Module | Details → |
| U0165 | Lost Communication With Rear HVAC Control Module | Details → |
| U0166 | Lost Communication With Auxiliary Heater Control Module | Details → |
| U0167 | Lost Communication With Vehicle Immobilizer Control Module | Details → |
| U0168 | Lost Communication With Vehicle Security Control Module | Details → |
| U0169 | Lost Communication With Sunroof Control Module | Details → |
| U016A | Lost Communication With Global Positioning System Module | Details → |
| U016B | , U016C, U016D, U016E, U016F ISO/SAE Reserved | Details → |
| U0170 | Lost Communication With Restraints System Sensor A | Details → |
| U0171 | Lost Communication With Restraints System Sensor B | Details → |
| U0172 | Lost Communication With Restraints System Sensor C | Details → |
| U0173 | Lost Communication With Restraints System Sensor D | Details → |
| U0174 | Lost Communication With Restraints System Sensor E | Details → |
| U0175 | Lost Communication With Restraints System Sensor F | Details → |
| U0176 | Lost Communication With Restraints System Sensor G | Details → |
| U0177 | Lost Communication With Restraints System Sensor H | Details → |
| U0178 | Lost Communication With Restraints System Sensor I | Details → |
| U0179 | Lost Communication With Restraints System Sensor J | Details → |