GM Service Manual Online
For 1990-2009 cars only

Body Control Module

Scan Tool Output Control

Additional Menu Selection(s)

Description

Doors

Lock All Doors

The BCM actuates the door lock relay when you select ON. All doors should lock.

Doors

Driver Door Unlock

The BCM actuates the driver door unlock relay when you select ON. Only the driver door should unlock.

Doors

Passenger Door(s) Unlock

The BCM acuates the door unlock relay when you select ON. All doors should unlock.

Miscellaneous Test

Trunk Release

The body control module grounds the trunk relay when commanded ON. The rear compartment should release.