DTC P2111: Throttle Actuator Control (TAC) System - Stuck Open

WARNING: This page does not describe the selected car, but rather 33 other vehicles, including the 2010 Mercury Mountaineer, 2010 Mercury Milan, 2010 Mercury Mariner, 2010 Mercury Grand Marquis, and 2010 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.

DTC P2111: THROTTLE ACTUATOR CONTROL (TAC) SYSTEM - STUCK OPEN

Description:	This powertrain control module (PCM) fault status indicates the throttle plate is at a greater angle than commanded.
Possible Causes:	Binding throttle body, stuck open TAC motor circuit open TAC motor circuits are cross-wired TAC motor harness circuits are shorted together Damaged PCM
Diagnostic Aids:
Application	Key On Engine Off	Key On Engine Running	Continuous Memory
All	GO to PINPOINT TEST DV .