Conditions for Running the DTC: P0108

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

DTCs P1516, P2101, P2125, P2135, P2138, P2176 are not set.
The engine has been running for a period of time that is determined by the start-up engine coolant temperature (ECT). The time ranges from 8 seconds at less than -30°C (-22°F) to 3 seconds at more than 30°C (86°F).
The throttle angle is less than one percent when the engine speed is less than 1,200 RPM.
OR
The throttle angle is less than 20 percent when the engine speed is more than 1,200 RPM.
This DTC runs continuously within the enabling conditions.