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Pinpoint Test Ca : U0137:00 Or U0438:82: Notes

U0137:00 Or U0438:82 

Normal Operation and Fault Conditions 

IPC DTC Fault Trigger 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 TBM through the GWM are missing for 5 seconds or longer.
U0438:82 Invalid Data Received From Trailer Brake Control Module: Alive/Sequence Counter Incorrect/Not Updated Sets in continuous memory in the IPC if data messages received from the TBM through the GWM are missing for 5 seconds or longer.

Possible Sources 

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