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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 B3125, B3130, or B3135: Doors Lock/Unlock (Sedan With UTT) >> 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 all vehicle doors LOCK and UNLOCK when commanding the All Doors Lock/Unlock with a scan tool.
    • If only the driver door does not LOCK and UNLOCK 

      Refer to Circuit/System Testing - Driver Door Lock Malfunction.

    • If one or more passenger doors do not LOCK and UNLOCK 

      Refer to Circuit/System Testing - Passenger Door Lock Malfunction.

    • If all doors do not LOCK and UNLOCK 

      Refer to Circuit/System Testing - All Door Lock Inoperative.

    • If all doors LOCK and UNLOCK 
  3. All OK.
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