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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 208 (Parking Assistance Systems) >> Diagnostic Information and Procedures >> Parallel Parking Assist System Malfunction >> 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 the scan tool Advanced Parking Assist Switch parameter is Off.
    • If the parameter is not Off 

      Refer to Circuit/System Testing

    • Go to next step: If the parameter is Off 
  3. Verify the scan tool Advanced Parking Assist Switch parameter is On while pressing the advanced parking assist switch.
    • If the parameter is not On 

      Refer to Circuit/System Testing

    • Go to next step: If the parameter is On 
  4. All OK. A fault is currently not present and may be an intermittent condition. Refer to Diagnostic Aids to identify any Advanced Parking Assist Disable History items that may be related to the customer's concern.
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