Conditions for Setting the DTC
WARNING: This page is about a different car, the 2015 Chevrolet Trax and 2015 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.
P1516
The ECM detects a difference of greater than 2 percent between the actual throttle position and the desired throttle position for greater than 1 s.
P2101
- The ECM detects a difference of greater than 10 percent between the actual throttle position and the predicted throttle position for greater than 1 s.
OR
- The ECM detects the throttle position is greater than 38 percent when throttle learn is active.
OR
- The ECM detects that the throttle position is greater than 50 percent when the engine is operating in reduced power mode.
P2119
The ECM detects the throttle blade did not return to the default position when the TAC motor is de-energized for greater than 1 s.
P2176
The ECM detects that both throttle position sensors are greater than 0.96 V for 2 s or greater, after 10 attempts to learn the minimum throttle position.