P2111: Throttle Actuator Control System - Stuck Open
5 vehicles · 1 makes
P2111 is an OBD-II diagnostic trouble code meaning “Throttle Actuator Control System - Stuck Open.” The electronic throttle is stuck in an open position. Can cause unintended acceleration. Safety critical code. This code appears across 5 vehicle models from 1 manufacturers.
Common Causes
Diagnostic Tools
To diagnose P2111, you'll need an OBD-II scanner. Here are our recommendations at every price point.
ANCEL AD310 Classic OBD-II Scanner
by ANCEL
A simple, affordable code reader that reads and clears check engine codes. Great for quick diagnostics on any OBD-II vehicle (1996+).
- Read & clear engine codes
- View freeze frame data
- I/M readiness status
- No batteries or app needed
BlueDriver Pro Bluetooth Scanner
by BlueDriver
Bluetooth OBD-II scanner with a free companion app. Provides enhanced diagnostics, smog readiness, and repair reports sourced from a database of verified fixes.
- Enhanced diagnostics (ABS, SRS, transmission)
- Repair Reports with verified fixes
- Smog check readiness
- Free app (iOS & Android)
LAUNCH CRP123X OBD-II Scanner
by LAUNCH
A professional-grade handheld scanner that reads all four major systems (engine, transmission, ABS, SRS) with live data streaming and graphing.
- Engine, transmission, ABS, SRS diagnostics
- Live data stream & graphing
- AutoVIN for vehicle identification
- Free lifetime updates via Wi-Fi
Autel MaxiCOM MK808S Diagnostic Tool
by Autel
Shop-level diagnostic tablet with bi-directional control, active tests, and full system coverage. Ideal for serious DIYers and small shops.
- All-system diagnostics (25+ modules)
- Bi-directional control & active tests
- Oil reset, EPB, BMS, TPMS, injector coding
- 7-inch touchscreen with Android OS
As an Amazon Associate, we earn from qualifying purchases. Prices are approximate and may vary.
Vehicles Affected (5)
Throttle Body Malfunction and Unintended Forward Surge
Throttle Body/ETC Fault Causing Limp Mode (Reduced Engine Power)
3.7L Ti-VCT Throttle Body Failure / Electronic Throttle Control (ETC) Limp Mode
PCM Software Calibration Causing Intermittent Stalling
Electronic Throttle Body Failure
Throttle Body Failure on 4.6L V8 Causing Wrench Light, Limp Mode, and Sudden Loss of Power
FAQ
What does P2111 mean?
P2111 stands for "Throttle Actuator Control System - Stuck Open." The electronic throttle is stuck in an open position. Can cause unintended acceleration. Safety critical code.
What are the most common causes of P2111?
The most common causes of P2111 are: Carbon buildup on throttle plate, Failed throttle body motor, Throttle body mechanical failure, Wiring short, ECU driver fault. The specific cause varies by vehicle.
How much does it cost to fix P2111?
Repair costs vary widely depending on the root cause and vehicle.
Which vehicles are affected by P2111?
Au7o has documented P2111 across 5 vehicle models from 1 manufacturers: Ford.
Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.