Conditions for Running the DTC

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.

DTCs P0107, P0108, P0412, P0418, P0606, P0641, P0651, P2432, P2433 are not set.
The ignition is ON.
DTC P2431 runs continuously when the above conditions are met.