Body Control Module (BCM)
The Body Control Module (BCM) controls the interior lamps illumination.One of the following 3 BCM types are installed on the vehicle based upon the vehicle equipment:
^ BCM type 2
This provides the interior illumination control, inadvertent load (battery rundown) protection, chime functions and automatic power door locks.
^ BCM type 3
This provides BCM type 2 features plus the keyless entry system (RPO AU0).
^ BCM type 4
This provides BCM type 2 and 3 features plus the content theft deterrent (RPO UA6) with remote activation verification and the remote alarm.
For more information regarding the BCM, refer to Body Control Module.
"For a description of the RPO Code(s) shown in this article or any of the images therein, refer to the RPO Code List found at Vehicle/Application ID". RPO Codes