Pinpoint Test BG: DTC U0137: Notes

WARNING: This page is about a different car, the 2010 Ford Pickup, 2010 Ford F550 Super Duty, 2010 Ford F450 Super Duty, and 2010 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

DTC U0137 (Lost Communication With TBC Module) - sets in continuous memory if data messages received from the Trailer Brake Control (TBC) module over the High Speed Controller Area Network (HS-CAN) are missing. For a complete list of all network messages, refer to MODULE COMMUNICATIONS NETWORK .
This pinpoint test is intended to diagnose the following:
TBC module
IC