Diagnostic Fault Information
WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
Always perform the Diagnostic System Check - Vehicle
prior to using this diagnostic procedure.
DTC P0116, P0125 or P0128
| Circuit | Short to Ground | High Resistance | Open | Short to Voltage | Signal Performance |
|---|---|---|---|---|---|
| ECT Sensor Signal | P0117 | P0118 | P0118 | P0118 | P0116, P0125-L32 only, P0128 |
| Low Reference | - | P0118 | P0118 | P0118 | P0125-L32 only, P0128 |