Action Taken When the DTCs Set

WARNING: This page is about a different car, the 2017 Chevrolet Suburban 3500 HD. However, it is still accessible from the selected car via links, so may be relevant.

P0068

DTC P0068 is a Type A DTC.
The control module commands the throttle actuator control (TAC) system to operate in the Reduced Engine Power mode.
A message center or an indicator displays Reduced Engine Power.
Under certain conditions the control module commands the engine OFF.

P1101

DTC P1101 is a Type B DTC.