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Home › Cadillac › 2014 › Escalade Base, AWD › Repair and Diagnosis › Engine Performance › System › Data Communication System › Diagnostic Information and Procedures › DTC U1879: Drive Motor Control Module B Lost Communication With Engine Control Module (ECM) › Action Taken When the DTC Sets

Action Taken When the DTC Sets

The modules is never signaled, therefore the specific subsystems will not function.

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