Scan Tool Output Controls
WARNING: This page is about a different car, the 2006 GMC Sierra and 2006 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Scan Tool Output Controls
| Scan Tool Output Control |
Additional Menu Selection(s) |
Description |
| Horn Relay Input |
Output Control |
The body control module (BCM) energizes the horn relay momentarily when you select On, resulting in the horn sounding. |