Conditions for Running the DTC

WARNING: This page is about a different car, the 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.

The engine is operating for more than 5 seconds.
The engine coolant temperature is between 0-92° C (32-198° F).
The calculated engine oil temperature is less than 120° C (248° F).
DTC P0016, P0017, P0018, and P0019 run continuously once the above conditions are met for more than 1 second.