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Engine-Codes – Toyota – P2118 2005 Toyota Highlander

P2118 2005 Toyota Highlander Code - Throttle Actuator Control Motor Current Range/Performance

Quick Answer

The P2118 diagnostic trouble code (DTC) for a 2005 Toyota Highlander refers to the Throttle Actuator Control Motor Current Range/Performance. Common causes include Faulty throttle actuator control motor, Wiring or electrical issues in the throttle actuator control circuit, Dirty or clogged 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 2005 Toyota Highlander indicates Throttle Actuator Control Motor Current Range/Performance.
Common causes
Common causes include Faulty throttle actuator control motor, Wiring or electrical issues in the throttle actuator control circuit, Dirty or clogged 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 16, 2024
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Code P2118 2005 Toyota Highlander Description

The P2118 diagnostic trouble code (DTC) for a 2005 Toyota Highlander refers to the Throttle Actuator Control Motor Current Range/Performance. This code indicates that the Engine Control Module (ECM) has detected an issue with the throttle actuator control motor's current range or performance. The throttle actuator control motor is responsible for controlling the opening and closing of the throttle valve, which regulates the amount of air entering the engine.

OBDII Code P2118 2005 Toyota Highlander - Throttle Actuator Control Motor Current Range/Performance
P2118 2005 Toyota Highlander Code - Throttle Actuator Control Motor Current Range/Performance

Common Causes of P2118 2005 Toyota Highlander

  1. Faulty throttle actuator control motor.
  2. Wiring or electrical issues in the throttle actuator control circuit.
  3. Dirty or clogged throttle body.
  4. Vacuum leaks in the intake system.
  5. Issues with the ECM or other related sensors.

Symptoms of P2118 2005 Toyota Highlander

  1. Reduced acceleration or lack of response when pressing the gas pedal.
  2. Rough idling or engine stalling.
  3. Check Engine Light illuminated on the dashboard.
  4. Reduced fuel efficiency.
  5. Difficulty starting the vehicle.

How to Fix P2118 2005 Toyota Highlander

  1. Begin by conducting a thorough inspection of the throttle actuator control motor, wiring, and related components to identify any visible damage or issues.
  2. Test the throttle actuator control motor using a multimeter to check for proper voltage and resistance values.
  3. Clean the throttle body to remove any carbon buildup or debris that may be affecting its operation.
  4. Inspect the intake system for any vacuum leaks and repair or replace any damaged hoses or connections.
  5. If necessary, replace the throttle actuator control motor or any faulty wiring or components identified during the diagnostic process.

Cost to Fix P2118 2005 Toyota Highlander

The typical repair costs for addressing a P2118 code on a 2005 Toyota Highlander can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost of parts for a throttle actuator control motor replacement can range from $200 to $500, while the labor costs can range from $100 to $300. Overall, the total repair cost for this issue may fall between $300 and $800. It is important to note that these estimates are approximate and can vary based on factors such as location, labor rates, and the availability of parts. It is advisable to consult with a qualified mechanic or repair shop for a more accurate cost estimate based on the specific circumstances of 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.

Need more information about the P2118 2005 Toyota Highlander code?

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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 2005 Toyota Highlander Code

1. What are the common symptoms of OBDII code P2118 in a 2005 Toyota Highlander?

- Common symptoms include the check engine light turning on, reduced engine power, and potential difficulty accelerating.

2. What does the OBDII code P2118 in a 2005 Toyota Highlander indicate?

- P2118 indicates a problem with the Throttle Actuator Control Motor Current Range/Performance.

3. What are some possible causes of OBDII code P2118 in a 2005 Toyota Highlander?

- Possible causes include a faulty throttle actuator control motor, wiring issues, or a problem with the throttle position sensor.

4. How can I diagnose the OBDII code P2118 in my 2005 Toyota Highlander?

- Diagnosing P2118 may involve checking the throttle actuator control motor, inspecting the wiring for any damage, and verifying the throttle position sensor's functionality.

5. Can I still drive my 2005 Toyota Highlander with OBDII code P2118?

- It is not recommended to drive your vehicle with code P2118 as it can lead to reduced engine power and potential safety hazards.

6. How can I repair OBDII code P2118 in my 2005 Toyota Highlander?

- Repairing code P2118 may involve replacing the throttle actuator control motor, repairing any damaged wiring, or recalibrating the throttle position sensor.

7. Is it safe to reset the OBDII code P2118 in my 2005 Toyota Highlander using a diagnostic tool?

- While you can reset the code using a diagnostic tool, it is important to diagnose and address the underlying issue to prevent the code from reoccurring.

8. Can a DIY enthusiast fix OBDII code P2118 in a 2005 Toyota Highlander?

- Depending on your mechanical skills and tools available, you may be able to address the issue yourself by following repair guides and being cautious with electrical components.

9. How much does it cost to repair OBDII code P2118 in a 2005 Toyota Highlander at a professional mechanic?

- Repair costs can vary based on the exact cause of the code and labor rates, but expect to pay a few hundred dollars for parts and labor.

10. Will OBDII code P2118 cause further damage if left unaddressed in my 2005 Toyota Highlander?

- Ignoring code P2118 can lead to more severe engine performance issues over time and may result in costly repairs if not fixed promptly.

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