Conditions For Setting DTC
WARNING: This page is about a different car, the 2002 Oldsmobile Intrigue and 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
An excessive amount of time passes before the ECT reaches the Closed Loop operation 50°F (10°C) threshold. The amount of time ranges between 2-13 minutes, depending on ECT at start-up and amount of air cycled through the engine since start-up.