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 P0461, P0462, P0463, P2066, P2067, P2068 are not set.
The vehicle speed is 0 km/h (0 mph).
The engine has been idling for more than 2 minutes and 20 seconds.
The primary fuel level is less than 60 L (15.8 gal).
The secondary fuel level is more than 3 L (2.6 gal).