FixVault

Alarm Does Not Trip From Left Rear Door

NOTE: After making any repairs, perform VEHICLE THEFT SECURITY SYSTEM VERIFICATION TEST  under VERIFICATION TESTS.

Turn ignition off. Connect scan tool to Data Link Connector (DLC). Using scan tool, read LR DOOR AJAR SW status. Open left rear door. If scan tool displays CLOSED, replace Body Control Module (BCM). If scan tool displays OPEN, perform LEFT REAR DOOR AJAR CKT OPEN  test under DOOR AJAR SYSTEM.