A little update for this thread.. :) It has been about a month and a half since I had the recall procedure done. today it rained quite hard and noticed my interior lights started flickering again and the ambient lights were stuck on. naturally my first suspicion is the check the BCM..
And to my...
So I pulled out the plastic trim on door sill and the fuse box cover with the piece next to it(don’t know what that’s called) and had to pull back the carpet some to easily get it out. There’s little hook tabs on the top of the bcm so you have to push it up some to get it to come out of the top
SYNC 3 is pretty much broken wide open at this point. People were able to exploit the USB firmware flashing to write custom code effectively making it fully customizable.