Can aftermarket tuning or modification of BCM software cause problems?

Nov 16, 2011 ... The tech at GM said that the accident did not cause the problem because he replaces them on the Grand Prix all the time. The tech said that it ... Feb 5, 2007 ... ... would not flash and would not ... Maybe someone else can help with that one but everything on your list has nothing to do with your BCM. Oct 10, 2018 ... Would appreciate your help guys. a) Code found - U0140-00 ... no communication with Body Control Module b) Car goes into limp home c) Does ... Jul 15, 2016 ... I have looked the part up and can't find it. Is it called something else? Where would it be located. Mar 31, 2009 ... BCM = Body Control Module. It controls or interfaces with ALL the body functions and communicates with ALL the other modules. Without it,,,your car will not ... Jul 19, 2022 ... Likely you have both, and most vans did, so you probably cant pull the BCM out of a base model. It may also be wise to use a BCM out of a van of ... Oct 24, 2019 ... ... should I pick up a new bcm from a wrecker. I dont have a centre console atm so it's pretty easy to get at the bcm. You must be registered ... Jul 6, 2023 ... So what the heck is a body control module - what does it do? Pat ... BCM's Body Control Modules. ABS modules - Antilock Brake Modules. Jul 30, 2023 ... I have a 2008 SCCA Championship model. Cruise control, traction control and Electronic Stability did not function. Would get intermittent warnings to service ... Jun 27, 2011 ... The tech that did the work somehow turned the security system off, dumb azz didn't even know it. And, I didn't know it until I was at Bike week ...