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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 25 (Steering Wheel And Column) >> Diagnostic Information and Procedures >> DTC C1178 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON.
  2. Verify that there are no DTCs set.
    • Go to next step: If there are no DTCs set 
  3. Refer to Circuit/System Testing.
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