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 |
|---|---|---|---|---|
| Class 2 Serial Data | 1 | U1001-U1254 | 1 | - |
| Battery Positive Voltage Circuits | - | U1001-U1254 | - | - |
| Ignition Voltage Circuits | - | U1001-U1254 | - | - |
| Module Ground Circuits | - | U1001-U1254 | U1001-U1254 | - |
| 1. Scan Tool Does Not Communicate with Class 2 Device | ||||