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2012 GMC Yukon Denali Hybrid – No Power Steering With C056E-4B

Aug 16
1 min read

CUSTOMER CONCERN

Power-steering assist is unavailable and the PSCM stores DTC C056E-4B.

CAUSE

The confirmed repair identified an invalid Power Steering Control Module calibration rather than a failed steering motor or power circuit.

CORRECTION

Calibrate the Power Steering Control Module and perform the steering position and torque-sensor calibration, then clear C056E-4B and verify steering assist.

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2012 GMC Yukon Denali Hybrid – No Power Steering With C056E-4B

CUSTOMER CONCERN

CAUSE

CORRECTION

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