AutoCodes – Toyota – P2112 2008 Toyota Prius

P2112 2008 Toyota Prius Code - Throttle Actuator Control System - Stuck Closed

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: P2112 2008 Toyota Prius indicates Throttle Actuator Control System - Stuck Closed.
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 3,694

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 P2112 2008 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 P2112 2008 Toyota Prius - Throttle Actuator Control System - Stuck Closed - AutoCodes.com — P2112 2008 Toyota Prius Code - Throttle Actuator Control System - Stuck Closed

What does this mean?

What are the Possible Causes of the DTC P2112 2008 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 P2112 2008 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 P2112 2008 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 P2112 2008 Toyota Prius code?

Need more information on how to fix the P2112 2008 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 P2112 2008 Toyota Prius Code

1. What does OBDII code P2112 mean on a 2008 Toyota Prius?

Code P2112 indicates a problem with the Throttle Actuator Control System, specifically that the throttle actuator is stuck closed.

2. What are the common symptoms of OBDII code P2112 in a 2008 Toyota Prius?

Common symptoms of code P2112 in a 2008 Toyota Prius may include reduced engine power, hesitation when accelerating, and the vehicle going into limp mode.

3. What are the possible causes of OBDII code P2112 in a 2008 Toyota Prius?

Potential causes of code P2112 in a 2008 Toyota Prius include a faulty throttle actuator, a stuck throttle plate, wiring issues, or problems with the throttle position sensor.

4. How can I diagnose the Throttle Actuator Control System issue causing OBDII code P2112 in my 2008 Toyota Prius?

Diagnosing the problem may involve checking the throttle actuator for smooth operation, inspecting the throttle plate for any obstructions, and testing the throttle position sensor for proper function.

5. Can I drive my 2008 Toyota Prius with OBDII code P2112?

It is not recommended to drive your 2008 Toyota Prius with code P2112, as it can lead to further damage and potentially unsafe driving conditions. It's best to address the issue promptly.

6. How can I repair OBDII code P2112 in my 2008 Toyota Prius?

Repairing code P2112 may involve cleaning or replacing the throttle actuator, addressing any wiring issues, resetting the throttle position sensor, and clearing the trouble code with a diagnostic tool.

7. Will OBDII code P2112 in a 2008 Toyota Prius cause the check engine light to illuminate?

Yes, code P2112 triggering a fault in the Throttle Actuator Control System will typically cause the check engine light to come on in a 2008 Toyota Prius.

8. Can a DIY enthusiast fix OBDII code P2112 in a 2008 Toyota Prius?

While some aspects of diagnosing and repairing code P2112 may be within reach of a DIY enthusiast, it's recommended to consult a professional mechanic for a proper diagnosis and repair to ensure the issue is resolved correctly.

9. Is it expensive to fix OBDII code P2112 in a 2008 Toyota Prius?

The cost to fix code P2112 in a 2008 Toyota Prius can vary depending on the exact cause of the issue and whether you choose to address it yourself or seek professional help. Costs may include parts and labor.

10. How can I prevent OBDII code P2112 from reoccurring in my 2008 Toyota Prius?

To prevent code P2112 from coming back, it's essential to perform regular maintenance on your throttle system, keep the throttle body clean, and address any issues promptly to avoid further damage.