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 |
|---|---|---|---|---|
| 12-Volt Reference Circuit | P03851 | P03851 | - | - |
| CKP Sensor Signal Circuit | P03851 | P03851 | P03851 | P0386 |
| Low Reference Circuit | - | P03851 | - | - |
| Low Resolution Engine Speed Signal | P0385 | P0385 | P0385 | P0386 |
| 1 Engine Cranks but does not run | ||||