Engine-CodesNissan – P2122 2010 Nissan Pathfinder

P2122 2010 Nissan Pathfinder Code - Accelerator Pedal Position Sensor Circuit Range/Performance

Quick Answer

The P2122 diagnostic trouble code (DTC) for a 2010 Nissan Pathfinder refers to an issue with the accelerator pedal position sensor circuit. Common causes include A faulty accelerator pedal position sensor, Damaged or corroded wiring in the sensor circuit, Loose or disconnected connectors 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
P2122 2010 Nissan Pathfinder indicates Accelerator Pedal Position Sensor Circuit Range/Performance.
Common causes
Common causes include A faulty accelerator pedal position sensor, Damaged or corroded wiring in the sensor circuit, Loose or disconnected connectors 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 10, 2024
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Code P2122 2010 Nissan Pathfinder Description

The P2122 diagnostic trouble code (DTC) for a 2010 Nissan Pathfinder refers to an issue with the accelerator pedal position sensor circuit. This sensor is responsible for detecting the position of the accelerator pedal and sending this information to the engine control module (ECM) to adjust the fuel delivery and ignition timing accordingly. When the sensor circuit is not performing within the expected range or is providing inconsistent readings, it can lead to various performance issues in the vehicle.

OBDII Code P2122 2010 Nissan Pathfinder - Accelerator Pedal Position Sensor Circuit Range/Performance
P2122 2010 Nissan Pathfinder Code - Accelerator Pedal Position Sensor Circuit Range/Performance

Common Causes of P2122 2010 Nissan Pathfinder

  1. A faulty accelerator pedal position sensor
  2. Damaged or corroded wiring in the sensor circuit
  3. Loose or disconnected connectors in the sensor circuit
  4. Issues with the ECM or related control modules
  5. Environmental factors such as moisture or debris affecting sensor operation

Symptoms of P2122 2010 Nissan Pathfinder

  1. Poor acceleration or lack of response when pressing the accelerator pedal
  2. Hesitation or surging while driving
  3. Engine stalling or rough idling
  4. Illumination of the check engine light
  5. Reduced engine power or performance

How to Fix P2122 2010 Nissan Pathfinder

  1. Begin by diagnosing the issue using a scan tool to retrieve the specific DTC and freeze frame data.
  2. Inspect the accelerator pedal position sensor, wiring, and connectors for any visible damage or corrosion.
  3. Test the sensor circuit for proper voltage and continuity using a multimeter to identify any faulty components.
  4. Replace the accelerator pedal position sensor if it is determined to be the root cause of the issue.
  5. Clear the DTC and perform a test drive to ensure the issue has been resolved and the vehicle is operating properly.

Cost to Fix P2122 2010 Nissan Pathfinder

The cost of repairing a P2122 code on a 2010 Nissan Pathfinder can vary depending on the extent of the issue and the specific components that need to be replaced. In general, replacing the accelerator pedal position sensor can range from $100 to $300, including parts and labor. Additional costs may apply if wiring or connectors need to be repaired or replaced. It is recommended to consult with a qualified mechanic or auto repair shop to get a more accurate estimate based on the specific circumstances of the vehicle. Labor rates at auto repair shops typically range from $80 to $150 per hour, but can vary based on location and other factors.

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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 2010 Nissan Pathfinder Code

1. What does OBDII code P2122 on a 2010 Nissan Pathfinder mean?

The code P2122 indicates a problem with the Accelerator Pedal Position Sensor Circuit Range/Performance in your vehicle.

2. What are the common symptoms of OBDII code P2122 in a 2010 Nissan Pathfinder?

Common symptoms include reduced engine power, hesitation or stalling when accelerating, and the vehicle going into "limp mode" where it operates with limited functionality.

3. What are the possible causes of OBDII code P2122 in a 2010 Nissan Pathfinder?

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

4. How can I diagnose the issue related to OBDII code P2122 in my 2010 Nissan Pathfinder?

Diagnosing the problem may involve using a scan tool to read the code, checking the sensor's wiring and connectors for damage, and testing the sensor's voltage and resistance to determine if it is functioning properly.

5. Can I still drive my 2010 Nissan Pathfinder with OBDII code P2122?

It is not recommended to drive your vehicle with code P2122 as it can lead to unsafe driving conditions and potential further damage to the engine. It's best to address the issue promptly.

6. How can I repair OBDII code P2122 in my 2010 Nissan Pathfinder?

Repair options may include replacing the accelerator pedal position sensor, repairing or replacing damaged wiring or connectors, or reprogramming the engine control module if necessary.

7. Is it safe to reset the OBDII code P2122 in my 2010 Nissan Pathfinder using a scanner?

While clearing the code may temporarily turn off the check engine light, it is important to address the underlying issue causing the code to prevent further problems with your vehicle.

8. Can a DIY enthusiast fix OBDII code P2122 in a 2010 Nissan Pathfinder?

Depending on your skill level and access to tools, some DIY enthusiasts may be able to diagnose and repair the issue related to code P2122. However, it's recommended to seek professional help if unsure.

9. How much does it cost to repair OBDII code P2122 in a 2010 Nissan Pathfinder?

The cost of repairing code P2122 can vary depending on the specific cause of the issue, the parts needed for repair, and whether you choose to do the repair yourself or seek help from a mechanic.

10. How can I prevent OBDII code P2122 from occurring in my 2010 Nissan Pathfinder in the future?

Regular maintenance, such as checking and cleaning the accelerator pedal position sensor, inspecting wiring for damage, and addressing any engine-related issues promptly, can help prevent code P2122 from occurring.

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