AutoCodesGeneric – P2111

P2111 Code - Throttle Actuator Control System - Stuck Open

Quick Answer

The throttle actuator is operated by the Engine Control Module (ECM) and it opens and closes the throttle valve using gears. Common causes include Throttle Body Plate Binding, Faulty Throttle Actuator, Throttle Actuator harness is open or shorted. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P2111 indicates Throttle Actuator Control System - Stuck Open.
Common causes
Common causes include Throttle Body Plate Binding, Faulty Throttle Actuator, Throttle Actuator harness is open or shorted.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code Popularity 51,130
How popular is this code, among other codes? Medium
Table of contents Created and updated by William Orellana on Jun 14, 2020
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Code P2111 Description

The throttle actuator is operated by the Engine Control Module (ECM) and it opens and closes the throttle valve using gears. The opening angle of the throttle valve is detected by the throttle position sensor, which is mounted on the throttle body. The throttle position sensor provides feedback to the ECM to control the throttle actuator and set the throttle valve angle in response to driver inputs.
OBDII Code P2111 - Throttle Actuator Control System - Stuck Open - AutoCodes.com
P2111 Code - Throttle Actuator Control System - Stuck Open

What are the Possible Causes of the DTC P2111?

  • Throttle Body Plate Binding
  • Faulty Throttle Actuator
  • Throttle Actuator harness is open or shorted
  • Throttle Actuator circuit poor electrical connection

How to Fix the DTC P2111?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P2111 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P2111 code?

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Need Help with the Code?

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Information for Specific Makes

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P2111 Code

1. What does OBDII code P2111 mean?

P2111 indicates that the Throttle Actuator Control System is stuck in the open position, preventing proper throttle operation.

2. What are the common symptoms of code P2111?

Symptoms include poor acceleration, engine stalling, high idle RPM, reduced power mode (limp mode), and the check engine light turning on.

3. What causes the throttle actuator to get stuck open?

Common causes include carbon buildup in the throttle body, a faulty throttle body, damaged wiring or connectors, or a malfunctioning throttle position sensor.

4. Can I drive my car with a P2111 code?

Driving with this code is not recommended as it can lead to unsafe driving conditions, including sudden loss of power or stalling.

5. How do you diagnose the P2111 code?

Diagnosis typically involves scanning for codes, inspecting the throttle body for dirt or damage, checking for wiring issues, and testing the throttle actuator motor.

6. How can I fix the P2111 code?

Possible fixes include cleaning the throttle body, repairing or replacing damaged wiring, replacing the throttle body, or updating the vehicle’s engine control module (ECM software).

7. How much does it cost to repair a P2111 code?

Repair costs vary but can range from $100 for a throttle body cleaning to $500–$1,000 for a throttle body replacement, depending on the vehicle.

8. Can a dirty throttle body cause a P2111 code?

Yes, carbon buildup or debris in the throttle body can cause it to stick open, triggering the P2111 code.

9. Will disconnecting the battery clear the P2111 code?

Disconnecting the battery may temporarily clear the code, but the issue will return if the underlying problem is not resolved.

10. Is the P2111 code specific to certain car brands?

No, P2111 is a generic OBDII code and can appear on any vehicle with electronic throttle control, though troubleshooting steps may vary by manufacturer.

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