P2111 on Ford Mustang
Throttle Actuator A Control System - Stuck Open
Methodology: Reviewed against the SAE J2012 generic DTC definition and NHTSA owner-complaint patterns, then scoped to Ford Mustang context without treating complaints as confirmed diagnoses.
Sources: SAE/OBD-II definitions, manufacturer service information, and public reliability reports (including NHTSA where applicable).
- SAE J2012 Diagnostic Trouble Code Definitions — Generic diagnostic trouble code definition reference for P2111.
- NHTSA recalls, complaints, and manufacturer communications — Used to check public owner complaint context, recall status, and safety-related manufacturer communications by VIN or vehicle.
Limits: Guidance is informational and may not match every model-year or revision. Confirm with the official manual and diagnostics before replacing parts. For safety-critical or electrical work, use a qualified technician.
What P2111 Means on Your Ford Mustang
P2111 is a diagnostic trouble code indicating: Throttle Actuator A Control System - Stuck Open. This code relates to the powertrain system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.
Real Ford Mustang Owner Reports
Source: NHTSA Complaints Database
"Throttle control.car throttle will stop working at times.has stoped about 5times. it did stop working @ 55 mph with traffic behind us.had to pull over before getting hit.shut car off-restart ok for about a week.check for codes-had p2104 and p2111 stored."
"The car will "shut down" (wrench error light) at any time, anywhere, any speed. very dangerous!!! error code p2111 throttle body actuator stuck open. i have seen numerous posts on this. ford really needs to fix this!!! i will no longer let my child drive this car."
"So the car has a actuator control system stuck open. i have had it at the ford dealership twice now and will be going back on monday again for the same issue."
"While driving on the highway the motor shuts off. i have to quick pull off the road, restart the car. it will drive but again get up to highway speed, car shuts off. after about the 5th time, finally a code comes on, p2111 (throttle actuator control system - stuck open."
"Engine stalled while driving several times (once on a city street and twice on the highway). on other occasions the car would hesitate to respond to the accelerator."
All reports filed by vehicle owners directly with the U.S. Department of Transportation.
📊 Complaint Trend by Model Year
Common Causes on Ford Mustang
Based on NHTSA complaint component analysis for this vehicle.
What To Do Next
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1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
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2
Get a proper diagnosis
A code alone doesn't tell you the exact failed part. A diagnostic at a shop ($50–$150) pinpoints the root cause before you spend money on parts.
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3
Compare repair quotes
Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.