LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2017 >> CTS Base, AWD >> Repair and Diagnosis (Single Page) >> Steering >> Power Steering System >> Diagnostic Information and Procedures >> DTC C056D (Power Steering Control Module): Electronic Control Unit Hardware >> Circuit/System Verification
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Circuit/System Verification

NOTE:

Verify that all harness connectors are properly connected and free of damage or corrosion.

  1. Ignition ON.
  2. Verify DTC C056D is not set.
    • If DTC C056D is set with symptom byte 34, 35, or 3C 
    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.
      • If the DTC does not set
    3. All OK.
    • If DTC C056D is set with symptom byte 36, 37, 38, 39, or 3B 

      Replace the K43 Power Steering Control Module

    • If DTC C056D is not set 
  3. All OK
scientia non olet · About LEMON Manuals