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Home >> Cadillac >> 2018 >> CT6 Plug-In >> Repair and Diagnosis >> Steering >> Power Steering System >> Diagnostic Information and Procedures >> DTC C056D (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 
    1. Program the K43 Power Steering Control Module.
    2. Verify the DTC does not set.
      • If the DTC sets, replace the K43 Power Steering Control Module.
      • Go to next step: If the DTC does not set
    3. All OK.
    • Go to next step: If DTC C056D is not set 
  3. All OK
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