VTSS Does Not Trip With Trunk Knockout Switch

WARNING: This page is about a different car, the 2002 Dodge Intrepid, 2002 Chrysler Intrepid, 2002 Chrysler Concorde, and 2002 Chrysler 300M. However, it is still accessible from the selected car via links, so may be relevant.

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

Possible Causes:

Deck Lid Security Switch Sense Circuit Short To Ground
BCM - No Alarm From Trunk Knockout Switch

Testing

Turn ignition off. Disconnect Body Control Module (BCM) connector C4. Disconnect trunk knockout switch connector. Connect a 12-volt test light between battery voltage and BCM C4 connector terminal No. 8, deck lid security switch sense circuit (Violet/White wire). If test light illuminates, repair short to ground in Violet/White wire. If test light does not illuminate, replace BCM. See BODY CONTROL MODULE under REMOVAL & INSTALLATION.