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Pinpoint Test Be : U0100:87: Notes

Normal Operation and Fault Conditions 

ICM DTC Fault Trigger Conditions 

DTC Description Fault Trigger Conditions
U0100:87 Lost Communication With ECM/PCM "A" Module: Missing Message Sets in continuous memory in the ICM if data messages received from the PCM through the HS-CAN are missing for 5 seconds or longer.

Possible Sources 

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