Trunk open sensor

2001 CHEVROLET MONTE CARLO
210,000 MILES • 3.4L • 6 CYL • 2WD
Avatar
JOHN. FRASER
  • MEMBER
  • 1 POST
The trunk open sensor keeps chiming and showing "trunk open" in the message center. The trunk latch sensor has been replaced and even removed completely but it continues to chime.
Oct 17, 2018 at 8:31 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
Advertisement
Avatar
STRAILER
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 54,178 POSTS
Hello,

I would check the wiring to the BCM. Here is a guide and the trunk wiring diagrams. If okay it sounds like the BCM is having issues and needs to be replaced. I would try a used one here is the location. Also here are the truck wiring diagrams so you can see how the system works:

https://www.2carpros.com/articles/how-to-check-wiring

Check out the diagrams (below). Please let us know what you find. We are interested to see what it is.

Cheers, Ken
Images (Click to enlarge)
Attached Media
Attached Media
Attached Media
Oct 18, 2018 at 6:31 PM
Advertisement