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Home >> Buick >> 2012 >> Regal Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 336 (Power Door Lock System And Release Systems) >> Diagnostic Information and Procedures >> DTC B3618 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2013 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON.
  2. Verify the scan tool Trunk Lid/Liftgate Window Exterior Unlatch Switch parameter changes between Active and Inactive when pressing and releasing the rear compartment lid unlatch switch-exterior.
    • If the parameter changes 
  3. All OK.