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Home › Cadillac › 2017 › CT6 Plug-In › Repair and Diagnosis (Single Page) › Engine Performance › System › Data Communication System - DTC B1000 To DTC U1818 › Diagnostic Information and Procedures › DTC U0074: Control Module Communication Powertrain Expansion CAN Bus Off Malfunction › DTC Descriptor

DTC Descriptor

DTC U0074 00: Control Module Communication Powertrain Expansion CAN Bus Off Malfunction