GM Service Manual Online
For 1990-2009 cars only
Table 1: Body Control Module
Table 2: Roof Door Module

Body Control Module

Scan Tool Output Control

Additional Menu Selection(s)

Description

Miscellaneous Test

Door Lock/Unlock

The body control module (BCM) actuates the door lock relay when you select Lock. All doors should lock.

Miscellaneous Test

Door Lock/Unlock

The BCM actuates the door unlock relay and the driver door unlock relay when you select Unlock. All doors should unlock.

Roof Door Module

Scan Tool Output Control

Additional Menu Selections

Description

Driver Window

Up/Down

The driver window will travel to the full up position when you select Up and will travel to the full down position when you select Down

Passenger Window

Up/Down

The passenger window will travel to the full up position when you select Up and will travel to the full down position when you select Down