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Home >> GMC >> 2021 >> Terrain SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 58 (Power Steering System) >> Diagnostic Information and Procedures >> DTC C056D >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2020 GMC Terrain and 2020 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition - On / Vehicle - In Service Mode
  2. Verify DTC C056D is not set.
    • If the DTC is set 
    1. Perform all necessary programming and setup procedures for the control module : K43 Power Steering Control Module
    2. Verify the DTC does not set.
      • If the DTC sets - Replace the component : K43 Power Steering Control Module
      • Go to next step : If the DTC is not set
    3. All OK.
    • Go to next step : If the DTC is not set 
  3. All OK.