Operation CHARM: Car repair manuals for everyone.

Body Control Module (BCM)

The Body Control Module (BCM) controls the CTD. The BCM monitors the status of the following components:
^ The vehicle doors
^ The lock cylinders
^ The keyless entry system

The BCM operates the following components, according to the chosen mode of operation:
^ The park lamps
^ The horn
^ The status security indicator lamps

The BCM also communicates a fuel enable signal to the Powertrain Control Module (PCM).