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Home >> Buick >> 2016 >> Verano Premium, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 23 (Power Door Lock System And Release Systems) >> Diagnostic Information and Procedures >> Trunk Release Malfunction >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2015 Buick Verano. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON.
  2. Verify the scan tool Interior Trunk Lid/Liftgate Window Unlatch Switch parameter changes between Active and Inactive when pressing and releasing the S58 Rear Compartment Lid Unlatch Switch.
    • If the parameter does not change 

      Refer to Circuit/System Testing - Trunk Release Switch Inoperative

    • If the parameter changes 
  3. Verify the M40 Rear Compartment Lid Latch functions when commanding the Trunk Lid Unlatch with a scan tool.
    • If the M40 Rear Compartment Lid Latch does not UNLATCH 

      Refer to Circuit/System Testing - Release Actuator Inoperative

    • If the M40 Rear Compartment Lid Latch does UNLATCH 
  4. All OK.
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