Security light turning on and off

Tiny
CURTIS GULLEDGE
  • MEMBER
  • 2007 CHEVROLET SILVERADO
  • 4.8L
  • V8
  • 2WD
  • AUTOMATIC
  • 71,000 MILES
I have the truck listed above classic model. Recently the security light has started coming on. Sometimes it will flash on and off going down the road. Sometimes it just stays on. Sometimes I drive it and it doesn't come on. I have a friend who is a shop foreman at the local dealership. He says it is a sensor, but it is expensive to replace. He says as long as the light being on is not doing anything to the truck not to worry about it. Should I worry? Thanks!
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Saturday, July 27th, 2019 AT 7:02 AM

1 Reply

Tiny
KEN
  • ADMIN
Hello,

To me it sounds like the BCM is going out which is common but we should check the electrical connector for corrosion as well. Here is the location of the BCM and how to replace it. Check out the diagrams (Below). Please let us know what you find. We are interested to see what it is.
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Sunday, July 28th, 2019 AT 5:09 PM

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