Engine-Codes.com
Engine-Codes – Lexus – P2103 Lexus

P2103 Lexus Code - Throttle Actuator Control Motor Circuit High

Quick Answer

The P2103 diagnostic trouble code for Lexus vehicles indicates a problem with the Throttle Actuator Control Motor Circuit being too high. Common causes include Faulty throttle actuator control motor, Wiring or connector issues in the throttle actuator control motor circuit, ECM malfunction. 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
P2103 Lexus indicates Throttle Actuator Control Motor Circuit High.
Common causes
Common causes include Faulty throttle actuator control motor, Wiring or connector issues in the throttle actuator control motor circuit, ECM malfunction.
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 08, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P2103 Lexus Description

The P2103 diagnostic trouble code for Lexus vehicles indicates a problem with the Throttle Actuator Control Motor Circuit being too high. The throttle actuator control motor is responsible for controlling the throttle plate position in response to driver inputs. When this code is triggered, it means that the Engine Control Module (ECM) has detected a voltage signal that is higher than the specified range for the throttle actuator control motor circuit.

OBDII Code P2103 Lexus - Throttle Actuator Control Motor Circuit High
P2103 Lexus Code - Throttle Actuator Control Motor Circuit High

Common Causes of P2103 Lexus

  1. Faulty throttle actuator control motor
  2. Wiring or connector issues in the throttle actuator control motor circuit
  3. ECM malfunction
  4. Corrosion or damage to electrical connections
  5. Defective throttle position sensor

Symptoms of P2103 Lexus

  1. Reduced engine power
  2. Rough idling or stalling
  3. Difficulty accelerating
  4. Check Engine Light illuminated
  5. Vehicle going into "limp mode" (limited speed and performance)

How to Fix P2103 Lexus

  1. Perform a thorough inspection of the throttle actuator control motor circuit, including wiring and connectors, to identify any visible damage or corrosion.
  2. Test the throttle actuator control motor and throttle position sensor to determine if they are functioning correctly.
  3. Replace any faulty components, such as the throttle actuator control motor, throttle position sensor, or ECM if necessary.
  4. Clear the trouble code from the ECM and reset the system to ensure the issue has been resolved.
  5. Test drive the vehicle to confirm that the symptoms associated with the P2103 code have been resolved.

Cost to Fix P2103 Lexus

The cost of repairing a P2103 code on a Lexus vehicle can vary depending on the specific cause of the issue and the cost of parts and labor. On average, the cost of parts for this repair can range from $200 to $500, while labor costs can range from $100 to $300. Overall, the total cost of resolving this issue can range from $300 to $800. It is important to note that these are rough estimates, and actual costs may vary based on the vehicle's make and model, the location of the repair shop, and the severity of the issue. Be sure to obtain quotes from multiple repair shops to get a more accurate estimate for your specific situation.

Need more information about the P2103 Lexus code?

Need more information on how to fix the P2103 Lexus code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2103 Lexus code diagnosed by a professional: Find a repair shop in your area

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 P2103 Lexus Code

1. What are common symptoms of OBDII code P2103 in a Lexus related to the throttle actuator control motor circuit high?

- Common symptoms include reduced engine power, acceleration hesitation, and the vehicle going into limp mode.

2. What can cause the OBDII code P2103 in a Lexus indicating an issue with the throttle actuator control motor circuit?

- Possible causes include a faulty throttle actuator control motor, damaged wiring or connectors, or a problem with the electronic throttle control system.

3. How can I diagnose the OBDII code P2103 in my Lexus related to the throttle actuator control motor circuit high?

- Diagnosing this code typically involves checking for any visible damage to wiring or connectors, testing the throttle actuator control motor, and using a diagnostic scanner to gather additional data.

4. Is it safe to continue driving my Lexus with the OBDII code P2103 indicating a throttle actuator control motor circuit high issue?

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

5. How can I repair the OBDII code P2103 in my Lexus caused by a throttle actuator control motor circuit high problem?

- Repair options may include replacing the throttle actuator control motor, repairing or replacing damaged wiring or connectors, and clearing the error code with a diagnostic scanner.

6. Can a DIY enthusiast fix the OBDII code P2103 in a Lexus related to the throttle actuator control motor circuit high?

- While some basic troubleshooting and repairs can be done by experienced DIY enthusiasts, it is recommended to consult a professional mechanic for accurate diagnosis and repair of this issue.

7. How much does it typically cost to repair the OBDII code P2103 in a Lexus due to a throttle actuator control motor circuit high issue?

- Repair costs can vary depending on the exact cause of the problem, but they may range from a few hundred to over a thousand dollars, including parts and labor.

8. Are there any preventive measures to avoid encountering the OBDII code P2103 in a Lexus related to the throttle actuator control motor circuit high?

- Regular vehicle maintenance and inspections can help catch potential issues early, reducing the likelihood of encountering this code in the future.

9. Can extreme weather conditions or environmental factors trigger the OBDII code P2103 in a Lexus indicating a throttle actuator control motor circuit high problem?

- While not a common cause, extreme weather conditions or exposure to moisture can potentially contribute to electrical issues that may trigger this code.

10. How long does it take to fix the OBDII code P2103 in a Lexus caused by a throttle actuator control motor circuit high issue?

- The repair time can vary based on the exact cause of the problem and the availability of replacement parts, but it typically takes a few hours to a full day for a professional mechanic to address this issue.

Discuss the causes and fixes for P2103 Lexus OBDII Code

Submit a New Comment

Code P2103 Lexus comments

No comments found for this page.