Conditions for Setting the DTC: P2101
WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
The indicated throttle position does not match the predicted throttle position for more than 0.3 second.