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Pinpoint Test BO : U0137:00: Notes

Normal Operation and Fault Conditions 

DTC Description Fault Trigger Conditions
U0137:00 Lost Communication With Trailer Brake Control Module: No Sub-Type Information Sets in continuous memory in the IPC if data messages received from the Trailer Brake Module (TBM) over the HS-CAN are missing for 5 seconds or more.

Possible Sources