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Engine-Codes – Toyota – P0120 2006 Toyota Camry

P0120 2006 Toyota Camry Code - Throttle Pedal Position Sensor/Switch 'A' Circuit Malfunction

Quick Answer

The P0120 code for a 2006 Toyota Camry indicates a Throttle Pedal Position Sensor/Switch 'A' Circuit Malfunction. Common causes include Faulty throttle pedal position sensor or switch, Wiring issues or loose connections in the sensor circuit, Corrosion or damage to sensor terminals. 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
P0120 2006 Toyota Camry indicates Throttle Pedal Position Sensor/Switch 'A' Circuit Malfunction.
Common causes
Common causes include Faulty throttle pedal position sensor or switch, Wiring issues or loose connections in the sensor circuit, Corrosion or damage to sensor terminals.
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 15, 2024
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Code P0120 2006 Toyota Camry Description

The P0120 code for a 2006 Toyota Camry indicates a Throttle Pedal Position Sensor/Switch 'A' Circuit Malfunction. This means that there is an issue with the sensor or switch that monitors the position of the throttle pedal in relation to the engine's throttle. The throttle pedal position sensor is crucial for the vehicle's electronic control system to accurately adjust the engine's performance based on the driver's input. When this sensor malfunctions, it can lead to a variety of performance issues and potentially affect the vehicle's drivability.

OBDII Code P0120 2006 Toyota Camry - Throttle Pedal Position Sensor/Switch 'A' Circuit Malfunction
P0120 2006 Toyota Camry Code - Throttle Pedal Position Sensor/Switch 'A' Circuit Malfunction

Common Causes of P0120 2006 Toyota Camry

  1. Faulty throttle pedal position sensor or switch.
  2. Wiring issues or loose connections in the sensor circuit.
  3. Corrosion or damage to sensor terminals.
  4. ECM software or hardware issues.
  5. Environmental factors such as moisture or debris affecting sensor performance.

Symptoms of P0120 2006 Toyota Camry

  1. Poor acceleration or lack of response when pressing the throttle pedal.
  2. Rough idling or stalling when coming to a stop.
  3. Check Engine Light illuminated on the dashboard.
  4. Reduced fuel efficiency.
  5. Vehicle going into limp mode (limited performance to prevent further damage).

How to Fix P0120 2006 Toyota Camry

  1. Begin by diagnosing the issue using a scan tool to confirm the P0120 code and identify the specific cause.
  2. Inspect the throttle pedal position sensor and its wiring for any visible damage or corrosion. Replace the sensor if necessary.
  3. Check the sensor circuit for continuity and repair any wiring issues or loose connections.
  4. Clear the fault code from the ECM memory and test drive the vehicle to ensure the issue has been resolved.
  5. If the problem persists, further diagnostics may be needed to pinpoint the exact cause, such as testing the ECM or other related components.

Cost to Fix P0120 2006 Toyota Camry

The typical repair costs for a Throttle Pedal Position Sensor/Switch 'A' Circuit Malfunction can range from $150 to $400, including parts and labor. However, the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It's recommended to check local rates for a more accurate estimate. Keep in mind that rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less for repairs.

What does this mean?

Tech Notes for P0120 2006 Toyota Camry

Very common problem with Toyota models. Before replacing any parts, try cleaning the throttle body and reset the light. If the codes come back, then it will necessary to replaced the throttle position sensor (TPS which is built into the throttle body).

When is the Code Detected?

Malfunction is detected when an excessively low or high voltage from the sensor is sent to ECM.

Need more information about the P0120 2006 Toyota Camry 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 P0120 2006 Toyota Camry Code

1. What are the common symptoms of OBDII code P0120 in a 2006 Toyota Camry?

- Common symptoms include issues with acceleration, decreased engine power, stalling, and problems with the vehicle's idle speed.

2. What causes the Throttle Pedal Position Sensor/Switch 'A' Circuit Malfunction in a 2006 Toyota Camry?

- The P0120 code is typically triggered by a faulty throttle position sensor, damaged wiring, a defective throttle body, or issues with the vehicle's electronic control module (ECM).

3. How can I diagnose the cause of OBDII code P0120 in my 2006 Toyota Camry?

- You can diagnose the issue by using an OBDII scanner to retrieve the specific trouble code, visually inspecting the throttle position sensor and related wiring, and conducting voltage tests to check for proper sensor operation.

4. Is it safe to drive my 2006 Toyota Camry with the P0120 code present?

- It is not recommended to drive your vehicle with the P0120 code active, as it can lead to potential safety hazards and further damage to the engine and emission control system.

5. Can I repair the Throttle Pedal Position Sensor/Switch 'A' Circuit Malfunction in my 2006 Toyota Camry on my own?

- While some DIY enthusiasts may attempt to replace the throttle position sensor or repair wiring issues themselves, it is advisable to seek professional help for accurate diagnosis and proper repair.

6. How much does it typically cost to fix the P0120 code in a 2006 Toyota Camry?

- The cost of repairing the P0120 code can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor.

7. Will resetting the OBDII code P0120 in my 2006 Toyota Camry make it go away permanently?

- Simply resetting the code without addressing the underlying issue will not make it disappear permanently. It is crucial to diagnose and repair the root cause of the problem to prevent the code from reoccurring.

8. Can a dirty throttle body cause the P0120 code in a 2006 Toyota Camry?

- Yes, a dirty or malfunctioning throttle body can disrupt the throttle position sensor's operation and trigger the P0120 code. Regular maintenance, including cleaning the throttle body, can help prevent this issue.

9. Will a low battery voltage trigger the P0120 code in a 2006 Toyota Camry?

- Low battery voltage can sometimes affect the throttle position sensor's performance and lead to the P0120 code. Ensuring proper battery health and charging system operation is essential in diagnosing this issue.

10. How long does it typically take to repair the Throttle Pedal Position Sensor/Switch 'A' Circuit Malfunction in a 2006 Toyota Camry?

- The repair time for addressing the P0120 code can vary based on the specific cause of the malfunction, but it may take anywhere from 1 to 3 hours for a professional technician to diagnose and fix the problem.

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