AutoCodes – Toyota – P2102 2007 Toyota Highlander

P2102 2007 Toyota Highlander Code - Throttle Actuator Control Motor Circuit Low

Quick Answer

The throttle actuator is operated by the Engine Control Module (ECM) and it opens and closes the throttle valve. Common causes include Dirty throttle body, Faulty Throttle Actuator Control Motor, Throttle Actuator Control Motor harness is open. 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: P2102 2007 Toyota Highlander indicates Throttle Actuator Control Motor Circuit Low.
Common causes: Common causes include Dirty throttle body, Faulty Throttle Actuator Control Motor, Throttle Actuator Control Motor harness is open.
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 2,319

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 P2102 2007 Toyota Highlander Description

The throttle actuator is operated by the Engine Control Module (ECM) and it opens and closes the throttle valve. Power supply for the throttle control motor is provided to the ECM via throttle control motor relay. The throttle control motor relay is ON/OFF controlled by the ECM. When the ignition switch is turned ON, the ECM sends an ON signal to throttle control motor relay and battery voltage is provided to the ECM. When the ignition switch is turned OFF, the ECM sends an OFF signal to throttle control motor relay and battery voltage is not provided to the ECM. 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. This feedback allows the ECM to control the throttle actuator and monitor the throttle opening angle in response to driver inputs.

OBDII Code P2102 2007 Toyota Highlander - Throttle Actuator Control Motor Circuit Low - AutoCodes.com — P2102 2007 Toyota Highlander Code - Throttle Actuator Control Motor Circuit Low

What does this mean?

What are the Possible Causes of the DTC P2102 2007 Toyota Highlander?

Dirty throttle body
Faulty Throttle Actuator Control Motor
Throttle Actuator Control Motor harness is open
Throttle Actuator Control Motor circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P2102 2007 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 P2102 2007 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 P2102 2007 Toyota Highlander code?

Need more information on how to fix the P2102 2007 Toyota Highlander code? Get Access to Factory Service Manuals

Need Help with the 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 P2102 2007 Toyota Highlander Code

1. What are the common symptoms of OBDII code P2102 in a 2007 Toyota Highlander?

- Common symptoms include reduced engine power, hesitation or stalling when accelerating, and an illuminated Check Engine Light.

2. What does the OBDII code P2102 indicating "Throttle Actuator Control Motor Circuit Low" mean?

- This code indicates that the Engine Control Module (ECM) has detected a low voltage condition in the throttle actuator control motor circuit.

3. What are the potential causes of OBDII code P2102 in a 2007 Toyota Highlander?

- The code P2102 can be caused by a faulty throttle actuator control motor, damaged wiring or connectors in the circuit, or a malfunctioning ECM.

4. How can I diagnose the cause of OBDII code P2102 in my 2007 Toyota Highlander?

- To diagnose the cause of P2102, you can use a scan tool to check for additional trouble codes, inspect the throttle actuator control motor and its wiring for damage, and perform a voltage test on the circuit.

5. Can I drive my 2007 Toyota Highlander with OBDII code P2102?

- It is not recommended to drive with code P2102, as it can cause unsafe driving conditions due to potential loss of engine power or stalling.

6. How can I repair OBDII code P2102 in a 2007 Toyota Highlander?

- Repair options include replacing the throttle actuator control motor, repairing any damaged wiring or connectors in the circuit, or reprogramming the ECM if necessary.

7. Is it safe to reset the Check Engine Light after fixing OBDII code P2102 in my 2007 Toyota Highlander?

- Yes, once the underlying issue causing P2102 is resolved, it is safe to reset the Check Engine Light using a scan tool to clear the trouble code.

8. Can a DIY enthusiast fix OBDII code P2102 in a 2007 Toyota Highlander?

- While some repairs related to P2102 can be done by experienced DIY enthusiasts, diagnosing and fixing electrical issues may require professional expertise.

9. How much does it cost to fix OBDII code P2102 in a 2007 Toyota Highlander at a repair shop?

- The cost of fixing P2102 can vary depending on the root cause of the issue, but it may range from a few hundred to a thousand dollars, including parts and labor.

10. Will OBDII code P2102 cause permanent damage to my 2007 Toyota Highlander if left unaddressed?

- Ignoring code P2102 can lead to further damage to the throttle actuator control system and potentially other components, so it is recommended to address the issue promptly.