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Engine-Codes – Toyota – P0122 2011 Toyota Camry

P0122 2011 Toyota Camry Code - Throttle Position Sensor/Switch 'A' Circuit Low Input

Quick Answer

The diagnostic trouble code P0122 for a 2011 Toyota Camry indicates an issue with the Throttle Position Sensor/Switch 'A' Circuit, specifically a low input signal. Common causes include Faulty throttle position sensor, Damaged or corroded wiring/connectors in the TPS circuit, ECM software issues. 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
P0122 2011 Toyota Camry indicates Throttle Position Sensor/Switch 'A' Circuit Low Input.
Common causes
Common causes include Faulty throttle position sensor, Damaged or corroded wiring/connectors in the TPS circuit, ECM software issues.
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 16, 2024
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Code P0122 2011 Toyota Camry Description

The diagnostic trouble code P0122 for a 2011 Toyota Camry indicates an issue with the Throttle Position Sensor/Switch 'A' Circuit, specifically a low input signal. The throttle position sensor (TPS) is a crucial component of the vehicle's electronic control system, as it monitors the position of the throttle valve and sends this information to the engine control module (ECM). The ECM uses this data to adjust fuel delivery and ignition timing, ensuring optimal engine performance and efficiency.

OBDII Code P0122 2011 Toyota Camry - Throttle Position Sensor/Switch 'A' Circuit Low Input
P0122 2011 Toyota Camry Code - Throttle Position Sensor/Switch 'A' Circuit Low Input

Common Causes of P0122 2011 Toyota Camry

  1. Faulty throttle position sensor
  2. Damaged or corroded wiring/connectors in the TPS circuit
  3. ECM software issues
  4. Throttle body malfunction
  5. Mechanical issues affecting the throttle valve

Symptoms of P0122 2011 Toyota Camry

  1. Rough idling or stalling
  2. Poor acceleration or hesitation
  3. Reduced fuel efficiency
  4. Check Engine Light illuminated
  5. Limited engine performance

How to Fix P0122 2011 Toyota Camry

  1. Begin by diagnosing the TPS circuit using a scan tool to confirm the P0122 trouble code.
  2. Inspect the throttle position sensor for any signs of damage or wear, and replace if necessary.
  3. Check the wiring and connectors in the TPS circuit for corrosion or damage, repairing or replacing as needed.
  4. Test the throttle body for proper operation and cleanliness, cleaning or replacing if necessary.
  5. Clear the trouble code from the ECM memory and perform a test drive to ensure the issue has been resolved.

Cost to Fix P0122 2011 Toyota Camry

The typical repair costs for addressing a P0122 code on a 2011 Toyota Camry can vary depending on the specific cause of the issue. In general, replacing a faulty throttle position sensor can cost between $100 and $200, while addressing wiring or connector issues may range from $50 to $150. Throttle body replacement can be more expensive, with costs ranging from $200 to $500. Labor costs at auto repair shops typically range from $80 to $150 per hour, so the total repair bill can vary based on the time required for diagnosis and repair. It is advisable to consult with a trusted mechanic or dealership for a more accurate estimate based on your location and vehicle specifics.

When is the Code Detected?

An excessively low voltage from the Throttle Position Sensor (TPS) is sent to Engine Control Module (ECM).

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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 P0122 2011 Toyota Camry Code

1. What are the common symptoms of OBDII code P0122 in a 2011 Toyota Camry?

- Common symptoms include poor acceleration, rough idling, stalling, and potential issues with shifting gears.

2. What does the OBDII code P0122 indicate in a 2011 Toyota Camry?

- OBDII code P0122 indicates a low input signal from the throttle position sensor or switch 'A' circuit.

3. What are the possible causes of OBDII code P0122 in a 2011 Toyota Camry?

- Possible causes include a faulty throttle position sensor, damaged wiring or connectors, a malfunctioning throttle body, or a problem with the engine control module.

4. How can I diagnose the cause of OBDII code P0122 in my 2011 Toyota Camry?

- You can use a multimeter to test the throttle position sensor, inspect the wiring and connectors for damage, and check the throttle body for any issues.

5. Can a dirty throttle body cause OBDII code P0122 in a 2011 Toyota Camry?

- Yes, a dirty or clogged throttle body can disrupt the signal from the throttle position sensor and trigger code P0122.

6. How do I repair OBDII code P0122 in my 2011 Toyota Camry?

- Repair options may include replacing the throttle position sensor, repairing damaged wiring or connectors, cleaning the throttle body, or reprogramming the engine control module.

7. Is it safe to continue driving with OBDII code P0122 in a 2011 Toyota Camry?

- It is not recommended to drive with code P0122 as it can affect the performance and drivability of the vehicle. It's best to address the issue promptly.

8. Can resetting the OBDII code P0122 in a 2011 Toyota Camry fix the problem?

- Resetting the code may temporarily turn off the check engine light, but it will not fix the underlying issue causing code P0122.

9. How much does it typically cost to repair OBDII code P0122 in a 2011 Toyota Camry?

- The cost of repairs for code P0122 can vary depending on the exact cause, but it may range from $100 to $300 for parts and labor.

10. Will OBDII code P0122 affect the fuel efficiency of a 2011 Toyota Camry?

- Yes, code P0122 can impact fuel efficiency as it may lead to improper fuel delivery and combustion, resulting in decreased miles per gallon.

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