Scan Tool Output Controls
WARNING: This page is about a different car, the 2004 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
Body Control Module (BCM)
| 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. |