Conditions for Running the DTC

WARNING: This page is about a different car, the 2005 Buick LaCrosse and 2005 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.

DTC P0116, P0117, P0118, P0125 (if applicable), P0128, P0502, or P0503 is not set.
The engine run time is more than 10 seconds.
The vehicle speed sensor (VSS) indicates that vehicle speed is more than 40 km/h (25 mph).
The engine coolant temperature (ECT) is less than 126°C (259°F).
The diagnostic runs continuously when the above conditions are met.