Key fob, door lock switch, trunk opener and gas filler lid suddenly stopped working?

Tiny
GLANE
  • MEMBER
  • 2001 CADILLAC DEVILLE
  • 140,000 MILES
All of a sudden the remote key will not open anything including the door locks. Also the door locks will not work by the inside driver door toggle switch. At the same time the trunk opener and gas filler lid will not open by using the buttons on the dash. These problems all happened at the same time. Any help will be appreciated. Can't figure out by looking at the fuse boxes.
Monday, May 17th, 2021 AT 6:26 PM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning,

I attached the wiring diagram for you of the trunk and the door locks. You will need to verify power to the fuses listed. The fuse box is in the back of the car.

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

https://www.2carpros.com/articles/how-to-use-a-voltmeter

https://www.2carpros.com/articles/how-to-check-a-car-fuse

Check the fuses for power on both sides. The fuse block itself was a common failure.

Roy
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Tuesday, May 18th, 2021 AT 2:11 AM

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