GM Service Manual Online
For 1990-2009 cars only

Body Control Module

Scan Tool Output Control

Additional Menu Selection(s)

Description

Door Lock

Door Lock Test

The body control module (BCM) actuates all of the door lock actuators for approximately 5 seconds when you select On. All of the doors should lock.

Unlock Doors

Door Lock Test

The BCM actuates all of the door lock actuators for approximately 5 seconds when you select On. All of the doors should unlock.