Conditions For Setting DTC
WARNING: This page is about a different car, the 2003 Cadillac Seville and 2003 Cadillac DeVille. 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 the ECT at start up and the amount of air cycled through the engine since start up.