P1226 Nissan Code - Closed Throttle Position Learning Performance Problem

Quick Answer

The P1226 Nissan code indicates a Closed Throttle Position Learning Performance Problem, which means that the engine control module (ECM) is having difficulty learning the correct closed throttle position. Common causes include Faulty throttle position sensor, Dirty or faulty throttle body, Vacuum leaks. 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

P1226 Nissan indicates Closed Throttle Position Learning Performance Problem.

Common causes

Common causes include Faulty throttle position sensor, Dirty or faulty throttle body, Vacuum leaks.

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.

• Description
• Common Causes
• Symptoms
• How To Fix
• Cost to Fix
• FAQs
• Comments
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Common Causes of P1226 Nissan

Symptoms of P1226 Nissan

How to Fix P1226 Nissan

Cost to Fix P1226 Nissan

When is the Code Detected?

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Information for Specific Nissan Models

• P1226 2008 Nissan Altima Sedan — Closed Throttle Position Learning Performance Problem
• P1226 2009 Nissan Altima Sedan — Closed Throttle Position Learning Performance Problem
• P1226 2010 Nissan Altima Sedan — Closed Throttle Position Learning Performance Problem
• P1226 2011 Nissan Altima Sedan — Closed Throttle Position Learning Performance Problem
• P1226 2012 Nissan Altima Sedan — Closed Throttle Position Learning Performance Problem
• P1226 2004 Nissan Maxima — Closed Throttle Position Learning Performance Problem
• P1226 2005 Nissan Maxima — Closed Throttle Position Learning Performance Problem
• P1226 2006 Nissan Maxima — Closed Throttle Position Learning Performance Problem
• P1226 2007 Nissan Maxima — Closed Throttle Position Learning Performance Problem
• P1226 2008 Nissan Maxima — Closed Throttle Position Learning Performance Problem
• P1226 2005 Nissan Pathfinder — Closed Throttle Position Learning Performance Problem
• P1226 2006 Nissan Pathfinder — Closed Throttle Position Learning Performance Problem
• P1226 2007 Nissan Pathfinder — Closed Throttle Position Learning Performance Problem
• P1226 2008 Nissan Pathfinder — Closed Throttle Position Learning Performance Problem
• P1226 2009 Nissan Pathfinder — Closed Throttle Position Learning Performance Problem
• P1226 2010 Nissan Pathfinder — Closed Throttle Position Learning Performance Problem
• P1226 2011 Nissan Pathfinder — Closed Throttle Position Learning Performance Problem
• P1226 2012 Nissan Pathfinder — Closed Throttle Position Learning Performance Problem
• P1226 2008 Nissan Rogue — Closed Throttle Position Learning Performance Problem
• P1226 2009 Nissan Rogue — Closed Throttle Position Learning Performance Problem
• P1226 2010 Nissan Rogue — Closed Throttle Position Learning Performance Problem
• P1226 2011 Nissan Rogue — Closed Throttle Position Learning Performance Problem
• P1226 2012 Nissan Rogue — Closed Throttle Position Learning Performance Problem
• P1226 2013 Nissan Rogue — Closed Throttle Position Learning Performance Problem
• P1226 2007 Nissan Sentra — Closed Throttle Position Learning Performance Problem
• P1226 2008 Nissan Sentra — Closed Throttle Position Learning Performance Problem
• P1226 2009 Nissan Sentra — Closed Throttle Position Learning Performance Problem
• P1226 2010 Nissan Sentra — Closed Throttle Position Learning Performance Problem
• P1226 2011 Nissan Sentra — Closed Throttle Position Learning Performance Problem
• P1226 2012 Nissan Sentra — Closed Throttle Position Learning Performance Problem

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 P1226 Nissan Code

1. What are the common symptoms of OBDII code P1226 in a Nissan?

- Common symptoms include rough idling, stalling, poor acceleration, and potentially a check engine light illuminated on the dashboard.

2. What does the OBDII code P1226 Closed Throttle Position Learning Performance Problem mean in a Nissan?

- This code indicates that the closed throttle position learning process is not functioning as expected, which can affect the vehicle's performance.

3. What are some possible causes of the P1226 code in a Nissan?

- Possible causes include a faulty throttle position sensor, issues with the throttle body, a vacuum leak, or problems with the electronic throttle control system.

4. How can I diagnose the P1226 code in my Nissan?

- Diagnosing the code typically involves using a scan tool to retrieve the code, checking the throttle position sensor's readings, inspecting the throttle body, and looking for any vacuum leaks.

5. Can I still drive my Nissan with the P1226 code present?

- It is not recommended to drive your Nissan with the P1226 code present, as it can lead to poor performance and potential safety issues. It's best to address the problem as soon as possible.

6. How can I repair the Closed Throttle Position Learning Performance Problem in my Nissan?

- Repair options may include replacing the throttle position sensor, cleaning the throttle body, fixing any vacuum leaks, or recalibrating the electronic throttle control system.

7. Is it possible to reset the P1226 code in my Nissan without fixing the underlying issue?

- While you can clear the code using a scan tool, it is essential to address the root cause of the problem to prevent the code from reoccurring.

8. Will driving my Nissan with the P1226 code damage the engine?

- Continuing to drive with the P1226 code can potentially cause further damage to the engine or other components due to the compromised performance of the vehicle.

9. How much does it typically cost to repair the P1226 code in a Nissan?

- The cost of repair can vary depending on the exact cause of the issue and labor rates. It is recommended to consult a mechanic for a more accurate estimate.

10. Can I prevent the P1226 code from occurring in the future?

- Regular maintenance, including keeping the throttle body clean and checking for vacuum leaks, can help prevent issues that may trigger the P1226 code in the future.