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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> Steering >> Power Steering System >> Diagnostic Information and Procedures >> DTC C056D: Electronic Control Unit Hardware (Power Steering Control Module) >> Circuit/System Verification
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Circuit/System Verification

  1. Ignition ON.
  2. Verify DTC C056D is not set.
    • If DTC C056D is set 

      Replace the device that set the DTC.

    • If DTC C056D is not set 
  3. All OK
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