Engine-CodesToyota – P0122 2016 Toyota RAV4

P0122 2016 Toyota RAV4 Code - Throttle / Pedal Position Sensor / Switch 'A' Circuit Low Input

Quick Answer

The P0122 diagnostic trouble code (DTC) for the 2016 Toyota RAV4 indicates a problem with the Throttle/Pedal Position Sensor/Switch 'A' Circuit, specifically a low input signal. Common causes include Faulty throttle position sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or poor connection 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
P0122 2016 Toyota RAV4 indicates Throttle / Pedal Position Sensor / Switch 'A' Circuit Low Input.
Common causes
Common causes include Faulty throttle position sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or poor connection 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.
Table of contents Created and updated by William Orellana on Sep 12, 2024
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Code P0122 2016 Toyota RAV4 Description

The P0122 diagnostic trouble code (DTC) for the 2016 Toyota RAV4 indicates a problem with the Throttle/Pedal Position Sensor/Switch 'A' Circuit, specifically a low input signal. This sensor is crucial for the proper functioning of the vehicle's electronic throttle control system. The throttle position sensor (TPS) detects the position of the throttle blade, allowing the engine control module (ECM) to adjust the air-fuel mixture for optimal performance.

OBDII Code P0122 2016 Toyota RAV4 - Throttle / Pedal Position Sensor / Switch 'A' Circuit Low Input
P0122 2016 Toyota RAV4 Code - Throttle / Pedal Position Sensor / Switch 'A' Circuit Low Input

Common Causes of P0122 2016 Toyota RAV4

  1. Faulty throttle position sensor
  2. Damaged wiring or connectors in the sensor circuit
  3. Corrosion or poor connection in the sensor circuit
  4. ECM malfunction
  5. Intermittent electrical issues

Symptoms of P0122 2016 Toyota RAV4

  1. Rough idling or stalling
  2. Poor acceleration
  3. Hesitation or surging during acceleration
  4. Reduced fuel efficiency
  5. Check Engine Light illuminated

How to Fix P0122 2016 Toyota RAV4

  1. Diagnose the issue by using a scan tool to retrieve the trouble codes and check the TPS sensor's voltage readings.
  2. Inspect the wiring and connectors for any damage or corrosion. Repair or replace as necessary.
  3. Test the TPS sensor's operation using a multimeter to verify its functionality.
  4. If the TPS sensor is faulty, replace it with a new one following the manufacturer's guidelines.
  5. Clear the trouble codes and perform a test drive to ensure the issue has been resolved.

Cost to Fix P0122 2016 Toyota RAV4

The typical repair costs for resolving the P0122 code on a 2016 Toyota RAV4 can vary depending on the specific cause of the issue. In general, replacing a faulty throttle position sensor can cost between $100 and $200 for the part, with additional labor costs ranging from $80 to $150 per hour. The total cost, including parts and labor, could range from $150 to $400 or more. It is advisable to consult with a trusted mechanic or dealership to get a more accurate estimate based on the specific circumstances of your vehicle. Keep in mind that rates can vary based on location, vehicle make and model, and other factors.

Tech Notes for P0122 2016 Toyota RAV4

Quite a frequent problem with Toyota models. Before replacing any parts, try cleaning the throttle body and resetting the code. If the code comes back, it will be necessary to replace the Throttle Body Assembly.











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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 2016 Toyota RAV4 Code

1. What are the common symptoms of OBDII code P0122 in a 2016 Toyota RAV4?

- Common symptoms include decreased engine power, poor acceleration, stalling, and the vehicle going into a limp mode.

2. What does the OBDII code P0122 indicate in a 2016 Toyota RAV4?

- The code P0122 indicates an issue with the Throttle/Pedal Position Sensor/Switch 'A' Circuit having a low input signal.

3. What are the possible causes of OBDII code P0122 in a 2016 Toyota RAV4?

- Possible causes include a faulty throttle position sensor, damaged wiring or connectors in the sensor circuit, or issues with the engine control module.

4. How can I diagnose the OBDII code P0122 in my 2016 Toyota RAV4?

- You can diagnose the code by checking the throttle position sensor's wiring and connector, testing the sensor's voltage output, and scanning the vehicle's computer for related error codes.

5. Can I drive my 2016 Toyota RAV4 with OBDII code P0122?

- It is not recommended to drive the vehicle with code P0122 as it can lead to performance issues and potential safety hazards. It is advised to address the issue promptly.

6. How can I repair OBDII code P0122 in my 2016 Toyota RAV4?

- Repair options include replacing the throttle position sensor, repairing any damaged wiring or connectors, or reprogramming the engine control module if necessary.

7. Is it possible to reset OBDII code P0122 in a 2016 Toyota RAV4 without repairs?

- While clearing the code can temporarily turn off the check engine light, the underlying issue causing the code will persist until properly addressed.

8. How much does it cost to fix OBDII code P0122 in a 2016 Toyota RAV4?

- The cost to fix code P0122 can vary depending on the exact cause of the issue, but it typically ranges from $100 to $300 for parts and labor.

9. Can a DIY enthusiast fix OBDII code P0122 in a 2016 Toyota RAV4?

- Depending on your mechanical skills and access to tools, DIY enthusiasts can attempt to fix code P0122 by following repair guides and using proper diagnostic equipment.

10. Will ignoring OBDII code P0122 cause further damage to my 2016 Toyota RAV4?

- Ignoring code P0122 can potentially lead to reduced fuel efficiency, engine performance issues, and further damage to related components over time. It is best to address it promptly.

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