Conditions for Running the DTC

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

DTCs P0016, P0117, P0118, P0335, or P0336 are not set.
The engine is running at idle.
The engine coolant temperature (ECT) is greater than 50°C (122°F).
The accelerator pedal position (APP) angle is 0 percent.
These DTCs run continuously.