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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 29 (Power Door Lock System And Release Systems) >> Diagnostic Information and Procedures >> DTC B3797: Exterior Liftgate Unlatch Switch >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2016 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON.
  2. Verify the interior door handles do not open the doors when commanding the Door Dead Lock to LOCK with a scan tool.
    • If all interior door handles open the doors 

      Refer to Circuit/System Testing

    • If all interior door handles do not open the doors 
  3. Verify the interior door handles will open the doors when commanding the Door Dead Lock to UNLOCK with a scan tool.
    • If all interior door handles do not open the doors 

      Refer to Circuit/System Testing

    • If all interior door handles open the doors 
  4. All OK.
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