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Pinpoint Test K : DTC U0100: Notes

Refer to Wiring Diagram Module Communications Network for schematic and connector information.

Normal Operation and Fault Conditions 

The ATCM uses information contained in messages from the PCM sent on the HS-CAN.

DTC Fault Trigger Conditions 

DTC Description Fault Trigger Conditions
U0100 Lost Communication With ECM/PCM "A" This DTC sets if the ATCM does not receive some or all of an expected message from the PCM.

Possible Sources 

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