It sounds like the BCM is going out but to be sure let's do 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 how to change the BCM out in case a code comes up for it, you can get a preprogrammed unit by searching Google or Ebay. It could be the car needs to be updated as well. Check out the images (below). Please let us know what happens.
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Saturday, August 26th, 2023 AT 12:49 PM