AutoCodes – Toyota – P2112 2006 Toyota Highlander

P2112 2006 Toyota Highlander 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 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: P2112 2006 Toyota Highlander indicates Throttle Actuator Control System - Stuck Closed.
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 2,552

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 2006 Toyota Highlander 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 2006 Toyota Highlander - Throttle Actuator Control System - Stuck Closed - AutoCodes.com — P2112 2006 Toyota Highlander Code - Throttle Actuator Control System - Stuck Closed

What does this mean?

What are the Possible Causes of the DTC P2112 2006 Toyota Highlander?

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 2006 Toyota Highlander?

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 2006 Toyota Highlander 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 2006 Toyota Highlander code?

Need more information on how to fix the P2112 2006 Toyota Highlander 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 2006 Toyota Highlander Code

1. What does OBDII code P2112 mean for a 2006 Toyota Highlander?

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

2. What are the common symptoms of a Throttle Actuator Control System - Stuck Closed issue in a 2006 Toyota Highlander?

Common symptoms include reduced engine power, hesitation or stalling when accelerating, and the vehicle going into limp mode.

3. What are the possible causes of OBDII code P2112 in a 2006 Toyota Highlander?

Possible causes include a faulty throttle actuator, problems with the throttle position sensor, wiring issues, or a malfunctioning electronic throttle control system.

4. How serious is a Throttle Actuator Control System - Stuck Closed issue in a 2006 Toyota Highlander?

This issue is considered serious as it can affect the drivability and safety of the vehicle. It is recommended to address the problem promptly.

5. Can I continue driving my 2006 Toyota Highlander with OBDII code P2112?

It is not recommended to continue driving the vehicle with this code present, as it can lead to further damage and potentially unsafe driving conditions.

6. What are some DIY repair tips for fixing a Throttle Actuator Control System - Stuck Closed problem in a 2006 Toyota Highlander?

DIY repair tips may include checking the throttle body for any obstructions, inspecting the wiring for damages, and cleaning the throttle body to see if it improves the issue.

7. How can a professional mechanic diagnose and repair OBDII code P2112 in a 2006 Toyota Highlander?

A professional mechanic may use a scan tool to diagnose the specific cause of the issue, perform tests on the throttle actuator and sensors, and replace any faulty components as needed.

8. Will resetting the OBDII code P2112 in a 2006 Toyota Highlander solve the problem?

Simply resetting the code may temporarily clear the warning light, but it will not fix the underlying issue causing the Throttle Actuator Control System - Stuck Closed problem.

9. How much does it cost to repair OBDII code P2112 in a 2006 Toyota Highlander?

The cost of repair can vary depending on the exact cause of the issue, but it may involve replacing the throttle actuator, sensors, or addressing wiring problems. The total cost can range from a few hundred to over a thousand dollars.

10. How can I prevent OBDII code P2112 from occurring in my 2006 Toyota Highlander?

Regular maintenance, such as cleaning the throttle body, inspecting wiring connections, and addressing any drivability issues promptly, can help prevent the occurrence of the Throttle Actuator Control System - Stuck Closed problem.