Diagnostic trouble code

P2111 Throttle Actuator Control System Stuck Open

The PCM sees the electronic throttle stuck more open than commanded.

Throttle & Idle Control Codes

Read This First

This code identifies the failed diagnostic test or circuit family. Confirm the basic checks before replacing parts, and keep freeze-frame data until the repair is verified.

Common Checks

  • Inspect for throttle plate binding or carbon buildup.
  • Check throttle-body connector and wiring.
  • Review pedal and throttle position data for agreement.

Common Repairs

  • Clean the throttle body if deposits are causing binding.
  • Repair wiring or connector faults.
  • Replace the throttle body if actuator testing confirms failure.

Mustang Notes

Model-Year Applicability

Listed for 2005 and newer traditional gasoline Mustang pages in this first-pass catalog. Engine, calibration, and Ford-specific codes may narrow that range as more service data is added.

Sources

  1. SAE J2012DA Digital Annex of Diagnostic Trouble Code Definitions
  2. 1996 Ford Mustang Owner Guide