Action Taken When the DTC Sets

WARNING: This page is about a different car, the 2012 GMC Yukon, 2012 Chevrolet Tahoe, and 2012 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.

P1516, P2101, and P2176

DTCs P1516, P2101, and P2176 are Type A DTCs.
DTC P2119 is a Type C DTC.
The control module commands the 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.