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Key-less remote not working

Tiny
ROYCAR71
  • MEMBER
  • 2011 CHEVROLET AVALANCHE
  • 5.3L
  • 3 CYL
  • 2WD
  • 110,000 MILES
This happened about two weeks ago. Once I washed the truck, doors and worked again. This time the key-less remote will not work after washing truck. I changed battery on my remote. My remote will not work either. Is there a fuse that relates to key-less entry?
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Sunday, May 19th, 2019 AT 2:21 PM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,513 POSTS
Hello,

There are six fuses that run the system we need to check for power. Here is a guide to help you with that and the fuse location and security system wiring diagrams so you can see how the system works below:

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

Check out the diagrams (below). Please let us know what you find. We are interested to see what it is.
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Tuesday, May 21st, 2019 AT 1:15 PM
Tiny
ROYCAR71
  • MEMBER
  • 354 POSTS
It has started working out of blue. Could this still fuse issue.
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Thursday, May 23rd, 2019 AT 12:36 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,513 POSTS
It sounds like the BCM is going out. I would remove the electrical connectors and check for corrosion at the BCM. Here is the location. Check out the diagrams (below). Please let us know what you find.
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Sunday, May 26th, 2019 AT 11:26 AM

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