Pinpoint Test L : U0100:87: Notes

Refer to Module Communications Network System for schematic and connector information.

Normal Operation and Fault Conditions

The PAM communicates with the PCM on the High Speed Controller Area Network 1 (HS1-CAN).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Conditions
U0100:87	Lost Communication With ECM/PCM "A": Missing Message	Sets in continuous memory in the PAM if expected messages from the PCM are missing for 0.5 second or more.

Possible Sources