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Pinpoint Test BA : U0100:00: Notes

Normal Operation and Fault Conditions 

Once the IPC sets DTC U0100:00, multiple gauges or indicators are likely to be inoperative in the IPC. Other modules that require data from the IPC all set communication Diagnostic Trouble Codes (DTCs) and may also exhibit system function concerns.

DTC Fault Trigger Conditions 

DTC Description Fault Trigger Conditions
U0100:00 Lost Communication With ECM/PCM "A": No Sub-Type Information Sets in continuous memory and on-demand in the IPC if powertrain data messages received from the PCM over the Medium Speed Controller Area Network (MS-CAN) are missing for 1 second or longer.

Possible Sources 

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