Conditions for Running the DTC

WARNING: This page is about a different car, the 2005 GMC Yukon XL, 2005 Chevrolet Suburban, and 2005 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

DTC P0112 is not set.
The engine run time is more than 45 seconds.
The vehicle speed is more than 40 km/h (25 mph).
The ECT Sensor parameter is less than 125°C (257°F).
DTC P1112 runs continuously when the above conditions are met.