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Engine-Codes – Nissan – P2122 2010 Nissan Sentra

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

Quick Answer

The P2122 diagnostic trouble code (DTC) for a 2010 Nissan Sentra refers to the Accelerator Pedal Position Sensor Circuit Range/Performance. Common causes include Faulty accelerator pedal position sensor, Wiring issues or poor connections in the sensor circuit, Corrosion or damage to sensor components. 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 Sentra indicates Accelerator Pedal Position Sensor Circuit Range/Performance.
Common causes
Common causes include Faulty accelerator pedal position sensor, Wiring issues or poor connections in the sensor circuit, Corrosion or damage to sensor components.
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 17, 2024
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Code P2122 2010 Nissan Sentra Description

The P2122 diagnostic trouble code (DTC) for a 2010 Nissan Sentra refers to the Accelerator Pedal Position Sensor Circuit Range/Performance. This code indicates that there is an issue with the accelerator pedal position sensor, which is responsible for sending signals to the engine control module (ECM) regarding the position of the accelerator pedal. The ECM uses this information to adjust fuel delivery and ignition timing, ultimately affecting the vehicle's performance.

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

Common Causes of P2122 2010 Nissan Sentra

  1. Faulty accelerator pedal position sensor.
  2. Wiring issues or poor connections in the sensor circuit.
  3. Corrosion or damage to sensor components.
  4. ECM software or hardware malfunctions.
  5. Environmental factors such as moisture or debris affecting sensor operation.

Symptoms of P2122 2010 Nissan Sentra

  1. Hesitation or lack of response when pressing the accelerator pedal.
  2. Rough idling or uneven engine performance.
  3. Reduced engine power or acceleration.
  4. Stalling or difficulty starting the vehicle.
  5. Illumination of the Check Engine Light on the dashboard.

How to Fix P2122 2010 Nissan Sentra

  1. Begin by diagnosing the specific cause of the P2122 code using a scan tool to read live data and pinpoint the issue.
  2. Inspect the accelerator pedal position sensor and its wiring for any visible damage or corrosion. Replace the sensor if necessary.
  3. Check the connections and wiring harness for any loose or damaged wires. Repair or replace as needed.
  4. Clear the DTC and reset the ECM to see if the code returns. Test drive the vehicle to ensure the issue has been resolved.
  5. If the problem persists, further diagnostic testing may be required to identify any underlying issues with the ECM or other related components.

Cost to Fix P2122 2010 Nissan Sentra

The typical repair costs for addressing a P2122 code on a 2010 Nissan Sentra 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, with hourly rates typically falling between $80 and $150. Factors such as location, vehicle make and model, and engine type can also impact the final repair costs. For a more accurate estimate, it's recommended to consult with a local auto repair shop.

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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 Sentra Code

1. What are the common symptoms of OBDII code P2122 in a 2010 Nissan Sentra?

The common symptoms of code P2122 include reduced engine power, hesitation or stalling when accelerating, and the vehicle going into "limp mode."

2. What does OBDII code P2122 on a 2010 Nissan Sentra indicate?

Code P2122 indicates a problem with the Accelerator Pedal Position Sensor Circuit Range/Performance in the 2010 Nissan Sentra.

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

Possible causes of code P2122 include a faulty accelerator pedal position sensor, issues with the wiring or connectors in the sensor circuit, or a problem with the engine control module.

4. How can I diagnose the cause of OBDII code P2122 in my 2010 Nissan Sentra?

Diagnosing code P2122 may involve visually inspecting the accelerator pedal position sensor and its wiring, testing the sensor's voltage readings, and using a scan tool to monitor sensor data while the vehicle is running.

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

It is not recommended to drive your vehicle with code P2122 as it may lead to unsafe driving conditions and potential further damage to the engine or other components.

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

Repairing code P2122 may involve replacing the accelerator pedal position sensor, repairing or replacing damaged wiring or connectors, or reprogramming the engine control module.

7. Will resetting the OBDII code P2122 in my 2010 Nissan Sentra make it go away permanently?

Resetting the code may temporarily turn off the check engine light, but if the underlying issue causing code P2122 is not addressed, the code is likely to return.

8. Is it safe to continue driving if the OBDII code P2122 in my 2010 Nissan Sentra comes and goes intermittently?

Even if the code comes and goes, it is not safe to ignore it as it indicates a problem with the accelerator pedal position sensor circuit that requires attention.

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

The cost of repairing code P2122 can vary depending on the exact cause of the issue, but it may range from $200 to $500, including parts and labor.

10. Can a DIY enthusiast fix OBDII code P2122 in a 2010 Nissan Sentra?

While some DIY enthusiasts may be able to diagnose and repair code P2122, it is recommended to consult a professional mechanic for proper diagnosis and repair to ensure the issue is resolved correctly.

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