What are some best practices for working with BCMs and their associated wiring?

Jan 12, 2012 ... All things point to the Body Control Module but my trusty GM dealer insists that the aftermarket radio is the culprit. ... Why do you think ... Sep 14, 2006 ... What is the purpose of a body control module. and what else does ... module does it have anything to do with what is wrong. Answered by ... Mar 12, 2025 ... One is for the Body Control Module & the other one is for the ... John Broax what does the bcm update change or do? 2 mos. 4. John Broax. Dec 29, 2003 ... Hi, failed BCM module. Do you still have that? If you do would you be willing to give it away. I need some of the circuitry inside and ... Jul 24, 2021 ... ... Body Control Module? After replacing the Alternator, when the ... did not do it correctly. So, as I took to the task of fixing the ... The body control module bcm and powertrain control module pcm calibrations are unable to detect a sudden battery degradation while driving. Josh McGrath said: 09-17-2006. I did that, I know how to pull DTC, but it wont pull up the BCm codes. i wants to find out why my ABS INOP light is on. Does ... 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 ... Mar 21, 2022 ... The body control module is also tasked with communicating with a vehicle's other various control modules. This communication makes it possible ... Feb 15, 2020 ... On the up side...we did get a 2 year unlimited mileage warranty on the new BCM including parts and labor. I have spoken to GM Customer Service ...