Scan Tool Output Controls

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2004 GMC Yukon XL, 2004 GMC Yukon, 2004 Chevrolet Tahoe, 2004 Chevrolet Suburban, and 2004 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Body Control Module (BCM) Scan Tool Output Controls

Scan Tool Output Control	Additional Menu Selection(s)	Description
Rear Defogger	-	The BCM actuates the rear window defogger relay when you select ON. The rear window defogger grid should become warm.