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Home › Chevrolet › 2017 › SS Automatic Trans › Repair and Diagnosis › Engine Performance › System › Data Communication System › Diagnostic Information and Procedures › DTC U0073 or U2100: Control Module Communication Bus A Off, CAN Bus Communication › Conditions for Running the DTCs

Conditions for Running the DTCs

Supply voltage to the devices is in the normal operating range.
The vehicle power mode requires serial data communications.