Conditions for Running the DTC

WARNING: This page is about a different car, the 2006 GMC Yukon XL, 2006 Chevrolet Suburban, and 2006 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

DTCs P0112, P0113, P0116, P0117, P0118, P0128, P2610 are not set.
The ignition is OFF for more than 10 hours.
The Engine Coolant Temperature (ECT) Sensor parameter is between -30 and +45°C (-22 and +113°F) at engine start-up.
The ECT Sensor parameter minus the IAT Sensor parameter is less than 8°C (14°F) at engine start-up.
The engine is started.
This diagnostic runs one time per valid cold start once the above conditions are met.