AutoCodes – Toyota – P2102 2011 Toyota Camry

P2102 2011 Toyota Camry 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 2011 Toyota Camry 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 3,227

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 2011 Toyota Camry 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 2011 Toyota Camry - Throttle Actuator Control Motor Circuit Low - AutoCodes.com — P2102 2011 Toyota Camry Code - Throttle Actuator Control Motor Circuit Low

What does this mean?

What are the Possible Causes of the DTC P2102 2011 Toyota Camry?

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 2011 Toyota Camry?

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 2011 Toyota Camry 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 2011 Toyota Camry code?

Need more information on how to fix the P2102 2011 Toyota Camry 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 P2102 2011 Toyota Camry Code

1. What does the OBDII code P2102 mean for a 2011 Toyota Camry?

P2102 indicates that the Throttle Actuator Control (TAC) motor circuit has a low voltage condition, meaning the engine control module (ECM) is detecting insufficient power going to the throttle actuator motor.

2. What are the common symptoms of code P2102 in a 2011 Toyota Camry?

Symptoms may include reduced engine performance, the vehicle going into limp mode, the throttle not responding properly, the check engine light being illuminated, and potentially stalling or hesitation during acceleration.

3. What causes the P2102 code to appear in a 2011 Toyota Camry?

Common causes include a faulty throttle actuator motor, damaged or corroded wiring or connectors in the throttle actuator circuit, a malfunctioning ECM, or a poor ground connection.

4. Can a dirty throttle body cause the P2102 code?

A dirty throttle body is unlikely to directly trigger P2102, but it can cause throttle performance issues that may be misinterpreted as a TAC motor problem. Cleaning the throttle body might help if additional symptoms are present.

5. How do you diagnose the P2102 code on a 2011 Toyota Camry?

Diagnosis involves checking the wiring and connectors for damage or corrosion, testing the throttle actuator motor for proper function, verifying the ground connections, and using a multimeter to check for proper voltage in the circuit.

6. Is it safe to drive a 2011 Toyota Camry with the P2102 code?

Driving with this code is not recommended, as the vehicle may enter limp mode or experience reduced throttle response, potentially creating unsafe driving conditions.

7. How do you fix the P2102 code on a 2011 Toyota Camry?

Repairs may include replacing the throttle actuator motor, repairing or replacing damaged wiring or connectors, cleaning the throttle body, or, in rare cases, replacing the ECM if it is found to be defective.

8. How much does it cost to fix the P2102 code on a 2011 Toyota Camry?

Repair costs vary depending on the cause. Replacing the throttle actuator motor can cost between $300 and $700, while fixing wiring or connectors may cost less. ECM replacement can exceed $1,000.

9. Can a weak battery cause the P2102 code in a 2011 Toyota Camry?

Yes, a weak or failing battery can result in low voltage to the throttle actuator motor, triggering the P2102 code. Itâ€™s important to test the battery and charging system during diagnosis.

10. Will clearing the P2102 code solve the problem?

Clearing the code will turn off the check engine light temporarily, but it wonâ€™t fix the underlying issue. The code will likely return until the root cause is addressed.