Pinpoint Test T : U0137:87: Notes
Normal Operation and Fault Conditions
REFER to: Communications Network - System Operation and Component Description .
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0137:87 | Lost Communication With Trailer Brake Control Module: Missing Message | A continuous memory DTC that sets in the BCM if messages from the TRM through the GWM are missing. |
Possible Sources
- Communication network concern
- Battery voltage concern
- TRM
- BCM