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P2122 2007 Nissan Pathfinder Code - Accelerator Pedal Position Sensor Circuit Range/Performance

Quick Answer

The P2122 diagnostic trouble code (DTC) for a 2007 Nissan Pathfinder refers to an issue with the Accelerator Pedal Position Sensor Circuit Range/Performance. Common causes include Faulty accelerator pedal position sensor, Damaged wiring or connectors in the sensor 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
P2122 2007 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, 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 14, 2024
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Code P2122 2007 Nissan Pathfinder Description

The P2122 diagnostic trouble code (DTC) for a 2007 Nissan Pathfinder refers to an issue with the Accelerator Pedal Position Sensor Circuit Range/Performance. This code indicates that the signal from the accelerator pedal position sensor (APPS) is not within the expected range or is not performing as it should. The accelerator pedal position sensor is a vital component of the vehicle's electronic throttle control system, which regulates the engine's throttle opening based on the driver's input through the accelerator pedal.

OBDII Code P2122 2007 Nissan Pathfinder - Accelerator Pedal Position Sensor Circuit Range/Performance
P2122 2007 Nissan Pathfinder Code - Accelerator Pedal Position Sensor Circuit Range/Performance

Common Causes of P2122 2007 Nissan Pathfinder

  1. Faulty accelerator pedal position sensor
  2. Damaged wiring or connectors in the sensor circuit
  3. Corrosion or poor connections in the sensor circuit
  4. Issues with the engine control module (ECM)
  5. Environmental factors such as moisture or debris affecting the sensor

Symptoms of P2122 2007 Nissan Pathfinder

  1. Lack of throttle response
  2. Reduced engine power
  3. Hesitation or surging during acceleration
  4. Stalling
  5. Limp mode activation

How to Fix P2122 2007 Nissan Pathfinder

  1. Begin by diagnosing the issue using a scan tool to confirm the P2122 code and pinpoint the exact cause.
  2. Inspect the accelerator pedal position sensor and its wiring harness for any visible damage or corrosion.
  3. Test the sensor's voltage and resistance to ensure it is functioning within specifications.
  4. Replace the accelerator pedal position sensor if it is found to be faulty, damaged, or out of range.
  5. Clear the DTC and perform a test drive to verify that the issue has been resolved.

Cost to Fix P2122 2007 Nissan Pathfinder

The typical repair costs for addressing a P2122 code on a 2007 Nissan Pathfinder can range from $150 to $400, depending on the specific cause of the issue and the cost of parts and labor. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's recommended to check with local shops for a more accurate estimate. Additionally, rates may be higher at dealerships or in metropolitan areas, while independent shops may offer more competitive pricing.

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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 2007 Nissan Pathfinder Code

1. What does OBDII code P2122 on a 2007 Nissan Pathfinder mean?

- This code indicates an issue with the accelerator pedal position sensor circuit range/performance.

2. What are common symptoms of OBDII code P2122 in a 2007 Nissan Pathfinder?

- Common symptoms include lack of response from the accelerator pedal, reduced engine power, and potential stalling.

3. What are possible causes of OBDII code P2122 on a 2007 Nissan Pathfinder?

- Causes may include a faulty accelerator pedal position sensor, damaged wiring or connectors in the sensor circuit, or a problem with the engine control module.

4. How can I diagnose the OBDII code P2122 on my 2007 Nissan Pathfinder?

- Diagnosis typically involves checking the sensor's wiring and connectors for damage, testing the sensor's functionality, and scanning for any related codes.

5. Can I still drive my 2007 Nissan Pathfinder with OBDII code P2122?

- It is not recommended to drive the vehicle with this code as it can lead to unsafe driving conditions and potential engine issues.

6. How can I repair OBDII code P2122 on a 2007 Nissan Pathfinder?

- Repair may involve replacing the accelerator pedal position sensor, repairing damaged wiring or connectors, or reprogramming the engine control module.

7. Are there any DIY tips for fixing OBDII code P2122 on a 2007 Nissan Pathfinder?

- DIYers can start by inspecting the sensor's wiring and connectors for any visible damage before moving on to testing the sensor itself or seeking professional help.

8. Is it necessary to reset the OBDII code P2122 after repairs on a 2007 Nissan Pathfinder?

- Yes, it is important to reset the code using an OBDII scanner after addressing the underlying issue to clear the fault code from the system.

9. How much does it cost to repair OBDII code P2122 on a 2007 Nissan Pathfinder?

- Repair costs can vary depending on the exact cause of the issue, but expenses may include parts and labor for sensor replacement or wiring repairs.

10. Can OBDII code P2122 on a 2007 Nissan Pathfinder cause long-term damage if left unaddressed?

- Ignoring this code can potentially lead to further damage to the engine or other related components, so it is best to address the issue promptly.

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