Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
DTC Descriptors
- DTC U0100 00
-
Lost Communication With ECM/PCM
- DTC U0100 75
-
Lost Communication With ECM/PCM
- DTC U0100 7F
-
Lost Communication With ECM/PCM
- DTC U0101 00
-
Lost Communication With TCM
- DTC U0102 00
-
Lost Communication With Transfer Case Control Module
- DTC U0104 00
-
Lost Communication With Cruise Control Module
- DTC U0104 7F
-
Lost Communication With Cruise Control Module
- DTC U0106 00
-
Lost Communication With Glow Plug Control Module
- DTC U0109 00
-
Lost Communication With Fuel Pump Control Module
- DTC U0117 00
-
Lost Communication With Electrical PTO Control Module
- DTC U0121 00
-
Lost Communication With Anti-Lock Brake System (ABS) Control Module
- DTC U0122 00
-
Lost Communication With Vehicle Dynamics Control Module
- DTC U0126 00
-
Lost Communication With Steering Angle Sensor
- DTC U0131 00
-
Lost Communication With Power Steering Control Module
- DTC U0132 00
-
Lost Communication With Ride Level Control Module
- DTC U0134 00
-
Lost Communication With Power Steering Control Module - Rear
- DTC U0136 00
-
Lost Communication With Differential Control Module - Rear
- DTC U0137 00
-
Lost Communication With Trailer Brake Control Module
- DTC U0140 00
-
Lost Communication With Body Control Module
- DTC U0141 00
-
Lost Communication With Body Control Module A
- DTC U0151 00
-
Lost Communication With Restraints Control Module
- DTC U0151 71
-
Lost Communication With Restraints Control Module Invalid Serial Data Received
- DTC U0151 7F
-
Lost Communication With Restraints Control Module Erratic
- DTC U0155 00
-
Lost Communication With Instrument Panel Cluster (IPC) Control Module
- DTC U0156 00
-
Lost Communication With Information Center A (DIC)
- DTC U0157 00
-
Lost Communication With Information Center B (DID)
- DTC U0158 00
-
Lost Communication With Head Up Display
- DTC U0159 00
-
Lost Communication With Parking Assist Control Module
- DTC U0160 00
-
Lost Communication With Audible Alert Control Module
- DTC U0164 00
-
Lost Communication With HVAC Control Module
- DTC U0165 00
-
Lost Communication With HVAC Control Module - Rear
- DTC U0168 00
-
Lost Communication With Vehicle Security Control Module
- DTC U0170 00
-
Lost Communication With Restraints System Sensor A (PPS)
- DTC U0172 00
-
Lost Communication With Rollover Sensor
- DTC U0184 00
-
Lost Communication With Radio
- DTC U0186 00
-
Lost Communication With Audio Amplifier
- DTC U0291 00
-
Lost Communication With Television
- DTC U0194 00
-
Lost Communication With Digital Radio Receiver (DRR)
- DTC U0198 00
-
Lost Communication With Telematic Control Module
- DTC U0199 00
-
Lost Communication With Door Control Module A (DDM)
- DTC U0200 00
-
Lost Communication With Door Control Module B (PDM)
- DTC U0208 00
-
Lost Communication With Seat Control Module A (DSM/MSM)
- DTC U0209 00
-
Lost Communication With Seat Control Module B (HVSM)
- DTC U0210 00
-
Lost Communication With Seat Control Module C (RHVSM)
- DTC U0214 00
-
Lost Communication With Remote Function Actuation
- DTC U0230 00
-
Lost Communication With Rear Gate Module
- DTC U0232 00
-
Lost Communications With Side Object Detection (SOD) Module - Left
- DTC U0233 00
-
Lost Communications With Side Object Detection (SOD) Module - Right
- DTC U0236 00
-
Lost Communications With Column Locking Module (CLM)
- DTC U0241 00
-
Lost Communication With Headlamp Control Module A
- DTC U0249 00
-
Lost Communication With Entertainment Control Module - Rear B
- DTC U0255 00
-
Lost Communication With Front Display Interface Module
- DTC U0256 00
-
Lost Communication With Front Controls Interface Module
- DTC U0257 00
-
Lost Communication With Front Controls/Display Interface Module
NO RELATED
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.