P2112: Throttle Actuator Control System - Stuck Closed
7 vehicles · 3 makes
P2112 is an OBD-II diagnostic trouble code meaning “Throttle Actuator Control System - Stuck Closed.” The electronic throttle is stuck in a closed position. Engine may not respond to accelerator pedal. This code appears across 7 vehicle models from 3 manufacturers.
Common Causes
Diagnostic Tools
To diagnose P2112, 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 (7)
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
Electronic Throttle Body Failure
Throttle Body Failure on 4.6L V8 Causing Wrench Light, Limp Mode, and Sudden Loss of Power
PCM Software Calibration Causing Intermittent Stalling
FAQ
What does P2112 mean?
P2112 stands for "Throttle Actuator Control System - Stuck Closed." The electronic throttle is stuck in a closed position. Engine may not respond to accelerator pedal.
What are the most common causes of P2112?
The most common causes of P2112 are: Carbon buildup restricting movement, Failed throttle body motor, Spring return mechanism issue, Wiring open circuit, ECU fault. The specific cause varies by vehicle.
How much does it cost to fix P2112?
Repair costs vary widely depending on the root cause and vehicle.
Which vehicles are affected by P2112?
Au7o has documented P2112 across 7 vehicle models from 3 manufacturers: Chrysler, Dodge, Ford.
Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.