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Home >> Buick >> 2016 >> Regal GS, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Data Communication System - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC U0074: Control Module Communication Powertrain Expansion CAN Bus Off Malfunction (Powertrain Expansion Bus without HP6) >> Repair Instructions

Repair Instructions

Perform the Diagnostic Repair Verification after completing the repair.

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