AutoCodes – Toyota – P2111 2006 Toyota Prius

P2111 2006 Toyota Prius 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 Dirty Throttle Body, Throttle Body Plate Binding, Faulty Throttle Actuator. 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 2006 Toyota Prius indicates Throttle Actuator Control System - Stuck Open.
Common causes: Common causes include Dirty Throttle Body, Throttle Body Plate Binding, Faulty Throttle Actuator.
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 3,749

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Feb 28, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P2111 2006 Toyota Prius 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 2006 Toyota Prius - Throttle Actuator Control System - Stuck Open - AutoCodes.com — P2111 2006 Toyota Prius Code - Throttle Actuator Control System - Stuck Open

What does this mean?

What are the Possible Causes of the DTC P2111 2006 Toyota Prius?

Dirty Throttle Body
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 2006 Toyota Prius?

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 2006 Toyota Prius 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 2006 Toyota Prius code?

Need more information on how to fix the P2111 2006 Toyota Prius code? Get Access to Factory Service Manuals

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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 2006 Toyota Prius Code

1. What does OBDII code P2111 for a 2006 Toyota Prius indicate?

The code P2111 in a 2006 Toyota Prius specifically points to an issue with the Throttle Actuator Control System being stuck open.

2. What are the common symptoms of a Throttle Actuator Control System stuck open in a 2006 Toyota Prius?

Common symptoms of this issue may include reduced engine power, acceleration hesitation, and the vehicle going into "limp mode" where it operates at a limited speed.

3. What are the possible causes of the Throttle Actuator Control System being stuck open in a 2006 Toyota Prius?

Potential causes include a faulty throttle actuator, damaged throttle body, wiring issues, or a malfunctioning electronic throttle control system.

4. How can I diagnose the Throttle Actuator Control System issue in my 2006 Toyota Prius?

Diagnosing this problem typically involves using an OBDII scanner to read the error code, inspecting the throttle actuator and body for any physical damage, and checking the wiring and connectors for proper connections.

5. Can I continue driving my 2006 Toyota Prius with the P2111 code present?

It is not recommended to drive the vehicle with the P2111 code active, as it can lead to safety hazards and further damage to the engine if the throttle actuator issue is not addressed promptly.

6. How can I repair the Throttle Actuator Control System stuck open in my 2006 Toyota Prius?

Repair options may include replacing the throttle actuator, cleaning or replacing the throttle body, repairing any damaged wiring, or resetting the electronic throttle control system.

7. Is it possible to clear the P2111 code on a 2006 Toyota Prius without fixing the issue?

While you can clear the code temporarily, the underlying problem causing the code will persist unless properly diagnosed and repaired.

8. Will the Throttle Actuator Control System issue in a 2006 Toyota Prius affect fuel efficiency?

Yes, a malfunctioning throttle actuator control system can impact fuel efficiency as it may cause the engine to run inefficiently or consume more fuel than necessary.

9. How much does it typically cost to repair the Throttle Actuator Control System issue in a 2006 Toyota Prius?

The cost of repairs can vary depending on the exact cause of the problem, but it may range from a few hundred dollars for minor fixes to over a thousand dollars for more complex issues.

10. Can I prevent the Throttle Actuator Control System from getting stuck open in my 2006 Toyota Prius?

Regular maintenance, such as cleaning the throttle body and ensuring proper wiring connections, can help prevent issues with the Throttle Actuator Control System in your Toyota Prius.