Engine-Codes.com
Engine-Codes – Nissan – P1226 2008 Nissan Altima Sedan

P1226 2008 Nissan Altima Sedan Code - Closed Throttle Position Learning Performance Problem

Quick Answer

The P1226 diagnostic trouble code (DTC) in a 2008 Nissan Altima Sedan indicates a Closed Throttle Position Learning Performance Problem. Common causes include Faulty throttle position sensor, Damaged wiring or connectors, Dirty throttle body. 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 2008 Nissan Altima Sedan indicates Closed Throttle Position Learning Performance Problem.
Common causes
Common causes include Faulty throttle position sensor, Damaged wiring or connectors, Dirty throttle body.
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 12, 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 P1226 2008 Nissan Altima Sedan Description

The P1226 diagnostic trouble code (DTC) in a 2008 Nissan Altima Sedan indicates a Closed Throttle Position Learning Performance Problem. This code is related to the engine control module's (ECM) ability to accurately detect and adjust the throttle position when the throttle is closed. The throttle position sensor (TPS) is responsible for sending signals to the ECM about the throttle's position, which is crucial for proper fuel delivery and engine performance. If the ECM detects that the closed throttle position learning is not functioning as expected, it will trigger the P1226 code.

OBDII Code P1226 2008 Nissan Altima Sedan - Closed Throttle Position Learning Performance Problem
P1226 2008 Nissan Altima Sedan Code - Closed Throttle Position Learning Performance Problem

Common Causes of P1226 2008 Nissan Altima Sedan

  1. Faulty throttle position sensor
  2. Damaged wiring or connectors
  3. Dirty throttle body
  4. ECM malfunction
  5. Intake air leaks

Symptoms of P1226 2008 Nissan Altima Sedan

  1. Poor engine performance
  2. Reduced fuel efficiency
  3. Hesitation or surging during acceleration
  4. Rough idle
  5. Stalling

How to Fix P1226 2008 Nissan Altima Sedan

  1. Diagnose the issue by performing a thorough inspection of the throttle position sensor, wiring, and connectors.
  2. Clean the throttle body to ensure proper operation.
  3. Test the throttle position sensor and replace if necessary.
  4. Clear the DTC and reset the closed throttle position learning.
  5. Test drive the vehicle to verify that the issue has been resolved.

Cost to Fix P1226 2008 Nissan Altima Sedan

The cost of repairing a closed throttle position learning performance problem can vary depending on the specific cause of the issue and the labor rates in your area. Generally, the cost of replacing a throttle position sensor can range from $100 to $300, while cleaning the throttle body may cost around $50 to $100. If the ECM needs to be replaced, the cost can be significantly higher, potentially exceeding $500. It's important to consult with a professional mechanic to get an accurate estimate based on your vehicle's specific needs and location.

When is the Code Detected?

Closed throttle position learning is not performed successfully, repeatedly.

Need more information about the P1226 2008 Nissan Altima Sedan code?

Need more information on how to fix the P1226 2008 Nissan Altima Sedan code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1226 2008 Nissan Altima Sedan 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 P1226 2008 Nissan Altima Sedan Code

1. What are the common symptoms of OBDII code P1226 in a 2008 Nissan Altima Sedan?

- Common symptoms include rough idling, stalling, lack of power, and potential difficulty starting the vehicle.

2. What does the OBDII code P1226 in a 2008 Nissan Altima Sedan indicate?

- The code refers to a Closed Throttle Position Learning Performance Problem, signaling issues with the throttle position sensor and its ability to adjust to closed throttle conditions.

3. What are the possible causes of OBDII code P1226 in a 2008 Nissan Altima Sedan?

- Potential causes include a faulty throttle position sensor, dirty throttle body, vacuum leaks, wiring issues, or a malfunctioning electronic throttle control system.

4. How can I diagnose the Closed Throttle Position Learning Performance Problem in my 2008 Nissan Altima Sedan?

- Diagnosing the issue involves checking the throttle position sensor for proper operation, inspecting the throttle body for dirt or carbon buildup, and scanning for any related trouble codes.

5. Can I drive my 2008 Nissan Altima Sedan with OBDII code P1226?

- It is not recommended to drive the vehicle with this code present, as it can lead to performance issues and potential safety hazards. It is advisable to address the problem promptly.

6. What are the repair options for fixing OBDII code P1226 in a 2008 Nissan Altima Sedan?

- Repairs may involve cleaning the throttle body, replacing the throttle position sensor, fixing wiring issues, or addressing any vacuum leaks. Consult a professional mechanic for accurate diagnosis and repair.

7. How much does it cost to repair OBDII code P1226 in a 2008 Nissan Altima Sedan?

- Repair costs can vary depending on the exact cause of the issue and the labor rates in your area. It is recommended to obtain quotes from different mechanics to compare prices.

8. Can resetting the OBDII code P1226 in my 2008 Nissan Altima Sedan solve the problem?

- Resetting the code may temporarily clear the warning light, but it will not address the underlying issue causing the Closed Throttle Position Learning Performance Problem. Proper diagnosis and repair are necessary.

9. Is OBDII code P1226 in a 2008 Nissan Altima Sedan a common issue?

- While it may not be as common as some other OBDII codes, experiencing the Closed Throttle Position Learning Performance Problem can occur in vehicles with throttle position sensor or related system issues.

10. How can I prevent OBDII code P1226 from recurring in my 2008 Nissan Altima Sedan?

- Regular maintenance, such as keeping the throttle body clean, checking for vacuum leaks, and addressing any sensor issues promptly, can help prevent the reoccurrence of the P1226 trouble code.

Discuss the causes and fixes for P1226 2008 Nissan Altima Sedan OBDII Code

Submit a New Comment

Code P1226 2008 Nissan Altima Sedan comments

No comments found for this page.