Engine-Codes.com
Engine-Codes – Toyota – P2120 2011 Toyota Camry

P2120 2011 Toyota Camry Code - Throttle Pedal Position Sensor/Switch 'D' Circuit

Quick Answer

The P2120 diagnostic trouble code for a 2011 Toyota Camry refers to an issue with the Throttle Pedal Position Sensor/Switch 'D' Circuit. Common causes include Faulty throttle pedal position sensor, Wiring issues such as shorts or opens in the circuit, Corrosion or poor connections in the sensor circuit. 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
P2120 2011 Toyota Camry indicates Throttle Pedal Position Sensor/Switch 'D' Circuit.
Common causes
Common causes include Faulty throttle pedal position sensor, Wiring issues such as shorts or opens in the circuit, Corrosion or poor connections in the sensor circuit.
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 17, 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 P2120 2011 Toyota Camry Description

The P2120 diagnostic trouble code for a 2011 Toyota Camry refers to an issue with the Throttle Pedal Position Sensor/Switch 'D' Circuit. This code indicates that there is a malfunction in the circuit responsible for monitoring the position of the throttle pedal. The throttle pedal position sensor plays a crucial role in communicating the driver's input to the engine control module (ECM), which then adjusts the throttle opening accordingly. When this circuit malfunctions, it can lead to a variety of performance issues and potentially affect the drivability of the vehicle.

OBDII Code P2120 2011 Toyota Camry - Throttle Pedal Position Sensor/Switch 'D' Circuit
P2120 2011 Toyota Camry Code - Throttle Pedal Position Sensor/Switch 'D' Circuit

Common Causes of P2120 2011 Toyota Camry

  1. Faulty throttle pedal position sensor
  2. Wiring issues such as shorts or opens in the circuit
  3. Corrosion or poor connections in the sensor circuit
  4. ECM software or hardware issues
  5. Physical damage to the throttle pedal or sensor

Symptoms of P2120 2011 Toyota Camry

  1. Check engine light illuminated on the dashboard
  2. Decreased fuel efficiency
  3. Rough idling or surging
  4. Lack of response or delayed acceleration
  5. Engine stalling or difficulty starting

How to Fix P2120 2011 Toyota Camry

  1. Begin by diagnosing the specific cause of the P2120 code using a scan tool to retrieve freeze frame data and live sensor data.
  2. Inspect the throttle pedal position sensor and its wiring for any signs of damage, corrosion, or poor connections. Replace the sensor if necessary.
  3. Check the ECM for any software updates or hardware malfunctions that may be contributing to the issue.
  4. Clear the code from the ECM memory and perform a test drive to ensure that the problem has been resolved.
  5. If the issue persists, further diagnostic testing may be required to pinpoint the exact cause of the problem.

Cost to Fix P2120 2011 Toyota Camry

The typical repair costs for addressing a P2120 code on a 2011 Toyota Camry can vary depending on the specific cause of the issue. In general, replacing a faulty throttle pedal position sensor can cost between $100 and $200, including parts and labor. However, if additional diagnostic testing or ECM repairs are needed, the total repair cost could increase. It's important to note that labor rates at auto repair shops can vary, with hourly rates typically ranging from $80 to $150. Factors such as location, vehicle make and model, and engine type can also influence the final repair costs. For a more accurate estimate, it's recommended to consult with a local auto repair shop.

Need more information about the P2120 2011 Toyota Camry code?

Need more information on how to fix the P2120 2011 Toyota Camry code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2120 2011 Toyota Camry 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 P2120 2011 Toyota Camry Code

1. What does the OBDII code P2120 mean on a 2011 Toyota Camry?

P2120 indicates a problem with the Throttle Pedal Position Sensor/Switch "D" Circuit, which monitors the position of the accelerator pedal.

2. What are the symptoms of code P2120 in a 2011 Toyota Camry?

Common symptoms include reduced engine performance, the vehicle entering limp mode, delayed acceleration, and the Check Engine Light turning on.

3. What causes the P2120 code to appear on a Toyota Camry?

Causes may include a faulty throttle pedal position sensor, damaged wiring or connectors in the sensor circuit, or a malfunctioning engine control module (ECM).

4. Can I drive my 2011 Toyota Camry with a P2120 code?

It is not advisable to drive with this code, as the vehicle may enter limp mode, limiting speed and power, which could be unsafe in traffic.

5. How do I diagnose the P2120 code in a 2011 Toyota Camry?

Use an OBDII scanner to confirm the code, visually inspect the wiring and connectors near the throttle pedal, and test the throttle pedal position sensor for proper voltage and resistance.

6. How do I fix the P2120 code on my Toyota Camry?

Repairs may involve replacing the throttle pedal position sensor, repairing damaged wiring or connectors, or reprogramming or replacing the ECM if necessary.

7. How much does it cost to repair the P2120 code in a 2011 Toyota Camry?

Depending on the issue, repairs can range from $100 to $300 for a sensor replacement, while ECM repairs or replacements may cost significantly more.

8. Is the throttle pedal position sensor the same as the throttle position sensor?

No, the throttle pedal position sensor is located on the accelerator pedal and monitors pedal movement, while the throttle position sensor is on the throttle body and monitors throttle blade position.

9. What tools are needed to fix the P2120 code?

You may need an OBDII scanner, a multimeter to test electrical circuits, and basic automotive tools for removing and replacing components.

10. Can a dirty throttle body cause a P2120 code?

A dirty throttle body is unlikely to directly cause a P2120 code, but it can affect engine performance. The issue is usually related to the pedal position sensor or its circuit.

Discuss the causes and fixes for P2120 2011 Toyota Camry OBDII Code

Submit a New Comment

Code P2120 2011 Toyota Camry comments

No comments found for this page.