Pinpoint Test T : U0137:87: Notes
WARNING: This page is about a different car, the 2016 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
Normal Operation and Fault Conditions
The BCM communicates with the PSCM through the GWM. 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 received from the TBM through the GWM are missing. |
Possible Sources
- Communication network concern
- Battery voltage concern
- TBM
- BCM