Anti-theft alarm

Asked by Randy Jan 11, 2020 at 01:05 PM about the 2015 Chevrolet Silverado 1500 LT Z71 Double Cab 4WD

Question type: Maintenance & Repair

Recently the anti-theft alarm on my 2015 Silverado
began randomly going off, factory system.
Dealership found bad key fob. 1 day later, it began
going off again. Any suggestions to the problem
are appreciated.

1 Answer

27,530

Is your horn the alarm on your security system? If so, pull the horn fuse. That should keep it from going off all hours of the day and night. Of course that isn't the proper fix, but, if the dealership can't find the problem, I'm not sure how to help? Just speaking for myself, I can't hear the horn in my own vehicle sound, my hearing is no good. lol I can give you the wiring diagram for you horn, If you want it?

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