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Engine-Codes – Toyota – P2118 2006 Toyota Highlander

P2118 2006 Toyota Highlander Code - Throttle Actuator Control Motor Current Range/Performance

Quick Answer

The P2118 code for a 2006 Toyota Highlander indicates a problem with the throttle actuator control motor current range or performance. Common causes include Faulty throttle actuator control motor, Wiring or connector issues, Corroded or damaged throttle body. 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
P2118 2006 Toyota Highlander indicates Throttle Actuator Control Motor Current Range/Performance.
Common causes
Common causes include Faulty throttle actuator control motor, Wiring or connector issues, Corroded or damaged throttle body.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 05, 2024
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Code P2118 2006 Toyota Highlander Description

The P2118 code for a 2006 Toyota Highlander indicates a problem with the throttle actuator control motor current range or performance. The throttle actuator control motor is responsible for controlling the opening and closing of the throttle valve, regulating the air intake into the engine. When this code is triggered, it means that the current being supplied to the throttle actuator control motor is outside the expected range, indicating a potential issue with the motor or its control system. This can lead to a variety of performance issues and should be addressed promptly to prevent further damage.

OBDII Code P2118 2006 Toyota Highlander - Throttle Actuator Control Motor Current Range/Performance
P2118 2006 Toyota Highlander Code - Throttle Actuator Control Motor Current Range/Performance

Common Causes of P2118 2006 Toyota Highlander

  1. Faulty throttle actuator control motor
  2. Wiring or connector issues
  3. Corroded or damaged throttle body
  4. Electronic control module (ECM) failure
  5. Throttle position sensor malfunction

Symptoms of P2118 2006 Toyota Highlander

  1. Reduced engine power or acceleration
  2. Stalling or rough idling
  3. Engine misfires
  4. Illuminated check engine light
  5. Difficulty maintaining a steady speed

How to Fix P2118 2006 Toyota Highlander

  1. Diagnose the issue using a scan tool to confirm the P2118 code and assess the throttle actuator control motor's operation.
  2. Inspect the wiring and connectors for any signs of damage or corrosion, repairing or replacing as necessary.
  3. Clean or replace the throttle body if it is found to be the source of the problem.
  4. Test the throttle position sensor and replace if faulty.
  5. Reset the ECM and clear the code to see if the issue persists.

Cost to Fix P2118 2006 Toyota Highlander

The cost of repairing a P2118 code on a 2006 Toyota Highlander can vary depending on the specific cause of the issue. Typically, replacing a throttle actuator control motor can range from $200 to $500, while fixing wiring or connector issues may cost between $100 and $300. Cleaning or replacing the throttle body can add another $150 to $400, and testing and replacing the throttle position sensor may cost around $100 to $200. Overall, the total repair cost for this issue could range from $450 to $1400, including parts and labor. It's essential to consult with a professional mechanic to get an accurate estimate based on the specific diagnosis and repair needed for your vehicle.

When is the Code Detected?

The Engine Control Module (ECM) monitors the battery supply voltage applied to the electronic throttle actuator. When the power supply voltage drops below the threshold, the ECM concludes that the power supply circuit has an open circuit. A DTC is set and the MIL is turned on.

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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 P2118 2006 Toyota Highlander Code

1. What are the common symptoms of OBDII code P2118 in a 2006 Toyota Highlander?

- Common symptoms include the Check Engine light illuminating, reduced engine power, and potential difficulty accelerating.

2. What does the OBDII code P2118 for a 2006 Toyota Highlander indicate?

- The code P2118 signifies an issue with the Throttle Actuator Control Motor Current Range/Performance.

3. What are the possible causes of OBDII code P2118 in a 2006 Toyota Highlander?

- Potential causes include a faulty throttle actuator control motor, wiring issues, or a problem with the throttle body.

4. How can I diagnose the OBDII code P2118 in my 2006 Toyota Highlander?

- Diagnosing the code may involve checking the throttle actuator control motor, inspecting the wiring for damage, and scanning for any related codes.

5. Can I still drive my 2006 Toyota Highlander with the OBDII code P2118?

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

6. How can I repair OBDII code P2118 in my 2006 Toyota Highlander?

- Repair options may include replacing the throttle actuator control motor, repairing any damaged wiring, or cleaning the throttle body.

7. Is it safe to reset the Check Engine light after repairing the OBDII code P2118 in a 2006 Toyota Highlander?

- It is safe to reset the Check Engine light after repairing the issue, but it is advisable to ensure the problem is fully resolved before doing so.

8. Can a DIY enthusiast fix OBDII code P2118 in a 2006 Toyota Highlander?

- Depending on the individual's skill level and access to tools, some may be able to address the issue themselves, but it is recommended to consult a professional mechanic for accurate diagnosis and repair.

9. How much does it cost to repair OBDII code P2118 in a 2006 Toyota Highlander?

- The cost of repair can vary depending on the exact cause of the issue, with expenses potentially including parts and labor charges.

10. How often does OBDII code P2118 occur in a 2006 Toyota Highlander?

- The occurrence of this code can vary, but it is not a common issue in a 2006 Toyota Highlander and often requires professional attention for resolution.

Discuss the causes and fixes for P2118 2006 Toyota Highlander OBDII Code

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  • i replaced the battery and the gas pedal stop functioning. one of the fuses was bad. everything is back to normal now.

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