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Home >> GMC >> 2017 >> Yukon Denali, 4WD >> Repair and Diagnosis >> Steering >> Power Steering System >> Diagnostic Information and Procedures >> DTC C056D: Electronic Control Unit Hardware (Power Steering Control Module) >> Repair Instructions
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Repair Instructions

Perform the Diagnostic Repair Verification after completing the repair.

Control Module References for control module replacement, programming and setup