Body Control Module (BCM)
WARNING: This page is about a different car, the 2010 Buick LaCrosse. However, it is still accessible from the selected car via links, so may be relevant.
The Body Control Module (BCM) is a multi-function module that performs the following functions:
- Receive active and passive signals from fobs
- Authenticates the active and passive signals from the integrated key/transmitter
- Determines the functionality requested by the fob signal
- Performs the function requested by the fob signal