Also, I can’t use signal lights or brake lights they stay on, and reverse lamps don’t work.
Sep 17, 2023 at 1:16 PM
The exterior lights have power, but I cannot control them?
2007 CHEVROLET SILVERADO
TREV.GANGFR
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These are controlled by the BCM, but we should check the fuses first. This guide can help, and I have included the fuse locations as well:
https://www.2carpros.com/articles/how-to-check-a-car-fuse
If the fuses are okay, we can confirm the BCM issue by doing a CAN scan. You can get a CAN scanner (Controller Area Network) which will work on most cars from Amazon.
Here is a video to show you how:
https://youtu.be/u-4syLc-ifQ
Here is the location and how to change out the BCM, you can get a preprogrammed unit by searching Google or Ebay. Check out the images (below). Please let us know how it goes.
https://www.2carpros.com/articles/how-to-check-a-car-fuse
If the fuses are okay, we can confirm the BCM issue by doing a CAN scan. You can get a CAN scanner (Controller Area Network) which will work on most cars from Amazon.
Here is a video to show you how:
https://youtu.be/u-4syLc-ifQ
Here is the location and how to change out the BCM, you can get a preprogrammed unit by searching Google or Ebay. Check out the images (below). Please let us know how it goes.
Images (Click to enlarge)
Sep 18, 2023 at 1:35 PM
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