Engine-Codes.com
Engine-Codes – Nissan – P2122 2011 Nissan Sentra

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

Quick Answer

The P2122 diagnostic trouble code for a 2011 Nissan Sentra indicates a problem with the Accelerator Pedal Position Sensor Circuit Range/Performance. Common causes include Faulty accelerator pedal position sensor, Wiring or connector issues in the sensor circuit, ECM software 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 Sentra indicates Accelerator Pedal Position Sensor Circuit Range/Performance.
Common causes
Common causes include Faulty accelerator pedal position sensor, Wiring or connector issues in the sensor circuit, ECM software 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 Aug 19, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P2122 2011 Nissan Sentra Description

The P2122 diagnostic trouble code for a 2011 Nissan Sentra indicates a problem with the Accelerator Pedal Position Sensor Circuit Range/Performance. This sensor is responsible for monitoring the position of the accelerator pedal and sending that information to the Engine Control Module (ECM). The ECM uses this data to adjust fuel delivery and ignition timing to optimize engine performance.

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

Common Causes of P2122 2011 Nissan Sentra

  1. Faulty accelerator pedal position sensor
  2. Wiring or connector issues in the sensor circuit
  3. ECM software malfunction
  4. Throttle body issues
  5. Electrical system problems

Symptoms of P2122 2011 Nissan Sentra

  1. Reduced engine power or acceleration
  2. Erratic throttle response
  3. Check Engine Light illuminated
  4. Stalling or rough idling
  5. Poor fuel efficiency

How to Fix P2122 2011 Nissan Sentra

  1. Diagnose the issue using a scan tool to confirm the P2122 code and pinpoint the exact cause.
  2. Inspect the accelerator pedal position sensor, wiring, and connectors for any damage or corrosion.
  3. Test the sensor's voltage and resistance to determine if it is functioning properly.
  4. Replace the accelerator pedal position sensor if it is found to be faulty.
  5. Clear the code and perform a test drive to ensure the issue has been resolved.

Cost to Fix P2122 2011 Nissan Sentra

The cost of repairing the Accelerator Pedal Position Sensor Circuit Range/Performance issue can vary depending on the cause of the problem and the specific parts needed for the repair. On average, the cost for parts can range from $50 to $200, while labor costs can range from $100 to $300. This gives a total estimated cost of $150 to $500 for this repair. It's important to note that these are rough estimates and actual costs may vary based on location, vehicle make and model, and other factors. It's recommended to consult with a qualified mechanic or auto repair shop for a more accurate cost estimate.

Need more information about the P2122 2011 Nissan Sentra code?

Need more information on how to fix the P2122 2011 Nissan Sentra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2122 2011 Nissan Sentra code diagnosed by a professional: Find a repair shop in your area

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 Sentra Code

1. What does the OBDII code P2122 for a 2011 Nissan Sentra mean?

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

2. What are the common symptoms of OBDII code P2122 in a 2011 Nissan Sentra?

Common symptoms of code P2122 may include issues with acceleration, reduced engine power, stalling, and possibly the vehicle going into limp mode.

3. What are the possible causes of OBDII code P2122 in a 2011 Nissan Sentra?

Potential causes of code P2122 can 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 OBDII code P2122 in my 2011 Nissan Sentra?

Diagnosing code P2122 usually involves using a scan tool to read the code and then performing tests on the accelerator pedal position sensor, checking the wiring and connectors for damage, and verifying the signal to the engine control module.

5. Can I continue driving my 2011 Nissan Sentra with the OBDII code P2122?

It is not recommended to continue driving with code P2122 present, as it can affect the vehicle's performance and potentially lead to further damage. It's best to address the issue promptly.

6. How can I repair OBDII code P2122 in my 2011 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 2011 Nissan Sentra make it go away permanently?

Simply 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 reappear.

8. Are there any preventive measures to avoid OBDII code P2122 in a 2011 Nissan Sentra?

Regular maintenance checks and prompt repairs of any sensor-related issues in the vehicle can help prevent the occurrence of code P2122.

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

The cost of repairing code P2122 can vary depending on the specific cause of the issue, but it may involve parts and labor expenses that could range from a few hundred to a thousand dollars.

10. Can I fix OBDII code P2122 in my 2011 Nissan Sentra myself, or should I seek professional help?

While some DIY enthusiasts may be able to address code P2122 themselves, it's recommended to seek professional help, especially if you are not experienced in diagnosing and repairing automotive electrical systems.

Discuss the causes and fixes for P2122 2011 Nissan Sentra OBDII Code

Submit a New Comment

Code P2122 2011 Nissan Sentra comments

No comments found for this page.