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P2122 2011 Nissan Pathfinder Code - Accelerator Pedal Position Sensor Circuit Range/Performance

Quick Answer

The P2122 diagnostic trouble code (DTC) for a 2011 Nissan Pathfinder refers to the Accelerator Pedal Position Sensor Circuit Range/Performance. Common causes include Faulty accelerator pedal position sensor, Damaged wiring or connectors in the sensor circuit, Electronic throttle control system malfunction. 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
P2122 2011 Nissan Pathfinder indicates Accelerator Pedal Position Sensor Circuit Range/Performance.
Common causes
Common causes include Faulty accelerator pedal position sensor, Damaged wiring or connectors in the sensor circuit, Electronic throttle control system malfunction.
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 13, 2024
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Code P2122 2011 Nissan Pathfinder Description

The P2122 diagnostic trouble code (DTC) for a 2011 Nissan Pathfinder refers to the Accelerator Pedal Position Sensor Circuit Range/Performance. This code indicates that there is a problem with the accelerator pedal position sensor circuit, specifically that the voltage signal is not within the expected range. The accelerator pedal position sensor is a vital component of the electronic throttle control system, which regulates the amount of air entering the engine based on the driver's input through the accelerator pedal.

OBDII Code P2122 2011 Nissan Pathfinder - Accelerator Pedal Position Sensor Circuit Range/Performance
P2122 2011 Nissan Pathfinder Code - Accelerator Pedal Position Sensor Circuit Range/Performance

Common Causes of P2122 2011 Nissan Pathfinder

  1. Faulty accelerator pedal position sensor
  2. Damaged wiring or connectors in the sensor circuit
  3. Electronic throttle control system malfunction
  4. Corrosion or moisture in the sensor circuit
  5. Software issues in the engine control module

Symptoms of P2122 2011 Nissan Pathfinder

  1. Engine hesitation or lack of power
  2. Erratic throttle response
  3. Stalling or difficulty starting the engine
  4. Limp mode activation
  5. Illumination of the Check Engine Light

How to Fix P2122 2011 Nissan Pathfinder

  1. Diagnose the issue using a scan tool to retrieve the DTC and perform a thorough inspection of the accelerator pedal position sensor and related components.
  2. Test the sensor's voltage signal and resistance to determine if it is functioning within specifications.
  3. Replace the accelerator pedal position sensor if it is found to be faulty, ensuring proper installation and calibration.
  4. Inspect and repair any damaged wiring or connectors in the sensor circuit.
  5. Clear the DTC and perform a test drive to verify that the issue has been resolved.

Cost to Fix P2122 2011 Nissan Pathfinder

The typical repair costs for addressing a P2122 code on a 2011 Nissan Pathfinder can range from $200 to $500, including parts and labor. However, it's important to note that 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. Rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less. It's advisable to obtain quotes from multiple shops to get a more accurate estimate for this repair.

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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 P2122 2011 Nissan Pathfinder Code

1. What does OBDII code P2122 on a 2011 Nissan Pathfinder indicate?

The code P2122 refers to a malfunction in the Accelerator Pedal Position Sensor Circuit Range/Performance.

2. What are the common symptoms associated with OBDII code P2122 in a 2011 Nissan Pathfinder?

Common symptoms include reduced engine power, unresponsive throttle, stalling, and illuminated Check Engine light.

3. What are the possible causes of OBDII code P2122 on a 2011 Nissan Pathfinder?

Potential causes include a faulty accelerator pedal position sensor, wiring issues, poor electrical connections, or a problem with the engine control module.

4. How can I diagnose the issue related to OBDII code P2122 in a 2011 Nissan Pathfinder?

Diagnosing the problem involves checking the accelerator pedal sensor for proper voltage and resistance, inspecting the wiring for damage, and scanning the vehicle's computer for related error codes.

5. Can I continue driving my 2011 Nissan Pathfinder with OBDII code P2122 present?

It is not recommended to drive the vehicle with code P2122 as it can lead to unsafe driving conditions and potential further damage to the engine.

6. How can I repair OBDII code P2122 on my 2011 Nissan Pathfinder?

Repairing the issue may involve replacing the accelerator pedal position sensor, repairing damaged wiring, ensuring proper electrical connections, or reprogramming the engine control module.

7. Is it possible to reset OBDII code P2122 in a 2011 Nissan Pathfinder without fixing the underlying issue?

Resetting the code without addressing the underlying problem is not recommended as the issue will likely reoccur, and the vehicle may continue to experience performance issues.

8. How much does it typically cost to repair OBDII code P2122 in a 2011 Nissan Pathfinder?

The cost of repair can vary depending on the specific cause of the issue, but it may range from $100 to $300 for parts and labor.

9. Can a DIY enthusiast fix OBDII code P2122 in a 2011 Nissan Pathfinder?

While some enthusiasts may have the skills to diagnose and repair the issue, dealing with electronic components and sensors may require specialized tools and expertise, so it's recommended to consult a professional mechanic.

10. Is OBDII code P2122 a common problem in 2011 Nissan Pathfinders?

While not extremely common, issues with the accelerator pedal position sensor can occur in 2011 Nissan Pathfinders, leading to the triggering of code P2122. Regular maintenance and inspection can help prevent such problems.

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