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Pinpoint Test H : U0100:00: Notes

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Normal Operation and Fault Conditions 

The HSWM communicates with the PCM over the CAN through the GWM. If the HSWM does not receive messages from the PCM, no noticeable symptom may be present.

HSWM DTC Fault Trigger Conditions 

DTC Description Fault Trigger Conditions
U0100:00 Lost Communication With ECM/PCM "A": No Sub Type Information Sets when the HSWM does not receive an expected message from the PCM for more than 5 seconds.

Possible Causes 

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