Hello,
It sounds like the door ajar switch probably has loose connection.
The Vehicle Theft Security System (VTSS) uses the door ajar switches to provide an input to the Body Control Module (BCM). These switches are normally open with the doors closed. When a door is opened the switch closes completing a path to ground. When the switch goes bad it can produce faulty signal.
Check to see if the switch is aligned properly and the connection is secured. Look for any damaged wires for the switch.
https://www.youtube.com/c/2carpros/featured
Please let me know of any questions.
Thank you.
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Monday, August 23rd, 2021 AT 12:53 PM