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Home >> Cadillac >> 2020 >> XT6 Sport >> Repair and Diagnosis >> External Pages >> Different car >> Section 249 (Suspension Controls) >> Diagnostic Information And Procedures >> DTC C056D >> Circuit/System Verification
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Circuit/System Verification

WARNING: This page is about a different car, the 2020 Cadillac CT6. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON/Vehicle in Service Mode.
  2. Verify that DTC C056D is not set.
    • If the DTC is set 
    1. Program the K19 Suspension Control Module.
      • If the DTC is set, replace the K19 Suspension Control Module.
      • Go to next step: If the DTC is not set
    2. All OK.
    • Go to next step: If the DTC is not set 
  3. All OK.
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