BCM Overview
WARNING: This page is about a different car, the 2005 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
The main features of the body control module (BCM) are:
- The BCM is the gateway between the on class 2 serial data circuit and controller area network (CAN) serial data circuit.
- The BCM controls multiple functions.
- The BCM is the power mode master.