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Home >> Buick >> 2012 >> Regal Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 211 (Power Door Lock System And Release Systems) >> Diagnostic Information and Procedures >> Trunk Release Malfunction >> Circuit/System Verification
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Circuit/System Verification

WARNING: This page is about a different car, the 2011 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON, observe the scan tool Interior Trunk Lid/Liftgate Window Unlatch Switch parameter while pressing and releasing the S58 rear compartment lid unlatch switch. The parameter should be Inactive and change to Active when the switch is pressed.
  2. Command the M40 rear compartment lid latch to UNLATCH with a scan tool. The M40 rear compartment lid latch should release the deck lid.