U Codes: Communication Network Between Modules

U codes appear when a module stops communicating with the rest over the data bus. They almost always point to power, ground or network wiring before a failed module, and several usually appear at once.

149 codes, page 2 of 2

CodeMeaningSystemSeverity
U0186 Lost Communication With Audio Amplifier Red de comunicación entre módulos Low
U0187 Lost Communication With Disc Player/Changer A Red de comunicación entre módulos Low
U0191 Lost Communication With Television Red de comunicación entre módulos Low
U0195 Lost Communication With Subscription Radio Receiver Red de comunicación entre módulos Low
U0196 Lost Communication With Rear Seat Entertainment Module Red de comunicación entre módulos Low
U0197 Lost Communication With Telephone Control Module Red de comunicación entre módulos Low
U0198 Lost Communication With Telematics Control Module Red de comunicación entre módulos Low
U0199 Lost Communication With Door Control Module A (Driver) Red de comunicación entre módulos Low
U0200 Lost Communication With Door Control Module B (Passenger) Red de comunicación entre módulos Low
U0201 Lost Communication With Door Control Module C Red de comunicación entre módulos Low
U0202 Lost Communication With Door Control Module D Red de comunicación entre módulos Low
U0208 Lost Communication With Seat Control Module A Red de comunicación entre módulos Low
U0209 Lost Communication With Seat Control Module B Red de comunicación entre módulos Low
U0212 Lost Communication With Steering Column Control Module Red de comunicación entre módulos Medium
U0213 Lost Communication With Mirror Control Module Red de comunicación entre módulos Low
U0214 Lost Communication With Remote Function Actuation Red de comunicación entre módulos Low
U0230 Lost Communication With Liftgate Control Module Red de comunicación entre módulos Low
U0232 Lost Communication With Side Obstacle Detection Module (Left) Red de comunicación entre módulos Low
U0233 Lost Communication With Side Obstacle Detection Module (Right) Red de comunicación entre módulos Low
U0235 Lost Communication With Cruise Control Front Distance Range Sensor Red de comunicación entre módulos Medium
U0252 Lost Communication With Front Camera Module Red de comunicación entre módulos Medium
U0256 Lost Communication With Front Controls Module Red de comunicación entre módulos Medium
U0293 Lost Communication With Hybrid Powertrain Control Module Red de comunicación entre módulos Critical
U0300 Internal Control Module Software Incompatibility Red de comunicación entre módulos Medium
U0401 Invalid Data Received From ECM/PCM A Red de comunicación entre módulos Medium
U0402 Invalid Data Received From Transmission Control Module Red de comunicación entre módulos Medium
U0403 Invalid Data Received From Transfer Case Control Module Red de comunicación entre módulos Medium
U0404 Invalid Data Received From Gear Shift Control Module Red de comunicación entre módulos Medium
U0405 Invalid Data Received From Cruise Control Module Red de comunicación entre módulos Medium
U0408 Invalid Data Received From Throttle Actuator Control Module Red de comunicación entre módulos Medium
U0410 Invalid Data Received From Fuel Pump Control Module Red de comunicación entre módulos Medium
U0414 Invalid Data Received From Four Wheel Drive Clutch Control Module Red de comunicación entre módulos Medium
U0415 Invalid Data Received From Anti-Lock Brake System Control Module Red de comunicación entre módulos Medium
U0416 Invalid Data Received From Vehicle Dynamics Control Module Red de comunicación entre módulos Medium
U0417 Invalid Data Received From Park Brake Control Module Red de comunicación entre módulos Medium
U0418 Invalid Data Received From Brake System Control Module Red de comunicación entre módulos Medium
U0419 Invalid Data Received From Steering Effort Control Module Red de comunicación entre módulos Medium
U0420 Invalid Data Received From Power Steering Control Module Red de comunicación entre módulos Medium
U0421 Invalid Data Received From Ride Level Control Module Red de comunicación entre módulos Medium
U0422 Invalid Data Received From Body Control Module Red de comunicación entre módulos Medium
U0423 Invalid Data Received From Instrument Panel Control Module Red de comunicación entre módulos Medium
U0424 Invalid Data Received From HVAC Control Module Red de comunicación entre módulos Medium
U0426 Invalid Data Received From Vehicle Immobilizer Control Module Red de comunicación entre módulos Medium
U0427 Invalid Data Received From Vehicle Security Control Module Red de comunicación entre módulos Medium
U0428 Invalid Data Received From Steering Angle Sensor Module Red de comunicación entre módulos Medium
U0429 Invalid Data Received From Steering Column Control Module Red de comunicación entre módulos Medium
U0430 Invalid Data Received From Tire Pressure Monitor Module Red de comunicación entre módulos Medium
U1000 Vehicle Data Network Communication Failure (Manufacturer Code) Red de comunicación entre módulos High
U1218 Communication Failure with the Electrical or Power Management Unit (Manufacturer Code) Red de comunicación entre módulos High