Diagnostic Fault Information
WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
| Circuit |
Short to Ground |
Open/High Resistance |
Short to Voltage |
Signal Performance |
| Horn Relay B+ |
2 |
2 |
- |
- |
| Horn Relay Control |
B2750 |
B2750 |
B2750 |
- |
| Horn Control |
2 |
2 |
1 |
- |
| Horn Switch Ground |
- |
2 |
2 |
- |
| Horn Ground |
- |
2 |
2 |
- |
1. Horn Always On
2. Horn Inoperative |