GM Service Manual Online
For 1990-2009 cars only

Body Control Module (BCM)

Scan Tool Output Control

Additional Menu Selection(s)

Description

Backup Lamps

Light Test

Turns the backup lamps ON until commanded OFF.

Console Switch Lamp

Lamp Dimming

Turns the console lamps full bright to full dim.

DRL Headlamps

Light Test

Turns the automatic headlamps ON until commanded OFF.

DRL park lamps

Light Test

Turns the park lamps ON until commanded OFF.

Fog Lamp Tell Tale

Lamp Dimming

Turns the fog lamp indicator full bright to full dim.

Front Fog Lamps

Light Test

Turns the front fog lamps ON until commanded OFF.

Gear Indicator Lamp

Lamp Dimming

Turns the PRNDL lamps full bright to full dim.

HVAC Bulb Illumination

Lamp Dimming

Turns the HVAC control assembly full bright to full dim.

Left Turn Signal Lamp

Light Test

Turns the left turn signal lamps ON until commanded OFF.

Low IP Courtesy Lamp

Light Test

Turns the IP courtesy lamps ON until commanded OFF.

Rear Fog Lamps

Light Test

Turns the rear fog lamps ON until commanded OFF.

Right Turn Signal Lamp

Light Test

Turns the right turn signal lamps ON until commanded OFF.