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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

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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