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 |
| 5-Volt Reference |
P0107, P0452, P0641 |
P0405 |
P0641 |
- |
| Sensor Signal |
P0405 |
P0405 |
P0406 |
P0404, P042E |
| Low Reference |
- |
P0406 |
- |
- |
| EGR Solenoid High Control |
- |
P0403 |
P0403 |
- |
| EGR Solenoid Low Control |
- |
P0403 |
- |
- |