Pinpoint Test D : U0137: Notes
DTC Fault Trigger Condition-PCM
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0137 | Lost Communication With Trailer Brake Control Module | The PCM sets this DTC if data messages from the TBM through the GWM are missing. |
Normal Operation and Fault Conditions
REFER to:MODULE COMMUNICATIONS NETWORK (1 OF 2) .
Possible Sources
- Communications network concern
- TBM
- GWM
- PCM