AutoCodes – Nissan – P1226 2005 Nissan Pathfinder

P1226 2005 Nissan Pathfinder Code - Closed Throttle Position Learning Performance Problem

Quick Answer

Electric Throttle Control Actuator consists of throttle control motor, throttle position sensor, etc. Common causes include Faulty Electric throttle control actuator (TP sensor 2), Electric throttle control actuator (TP sensor 2) harness is open or shorted, Electric throttle control actuator (TP sensor 2) circuit poor electrical connection. 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 2005 Nissan Pathfinder indicates Closed Throttle Position Learning Performance Problem.
Common causes
Common causes include Faulty Electric throttle control actuator (TP sensor 2), Electric throttle control actuator (TP sensor 2) harness is open or shorted, Electric throttle control actuator (TP sensor 2) circuit poor electrical connection.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 2,570
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 19, 2019
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Code P1226 2005 Nissan Pathfinder Description

Electric Throttle Control Actuator consists of throttle control motor, throttle position sensor, etc. The Throttle Position (TP) sensor responds to the throttle valve movement.
The throttle position sensor has the two sensors. These sensors are a kind of potentiometers which transform the throttle valve position into output voltage, and emit the voltage signal to the Engine Control Module (ECM). In addition, these sensors detect the opening and closing speed of the throttle valve and feed the voltage signals to the ECM. The ECM judges the current opening angle of the throttle valve from these signals and the ECM controls the throttle control motor to make the throttle valve opening angle properly in response to driving condition.
OBDII Code P1226 2005 Nissan Pathfinder - Closed Throttle Position Learning Performance Problem - AutoCodes.com
P1226 2005 Nissan Pathfinder Code - Closed Throttle Position Learning Performance Problem

What are the Possible Causes of the DTC P1226 2005 Nissan Pathfinder?

  • Faulty Electric throttle control actuator (TP sensor 2)
  • Electric throttle control actuator (TP sensor 2) harness is open or shorted
  • Electric throttle control actuator (TP sensor 2) circuit poor electrical connection

How to Fix the DTC P1226 2005 Nissan Pathfinder?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1226 2005 Nissan Pathfinder code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P1226 2005 Nissan Pathfinder code?

Need more information on how to fix the P1226 2005 Nissan Pathfinder code? Get Access to Factory Service Manuals

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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 P1226 2005 Nissan Pathfinder Code

1. What are the common symptoms of OBDII code P1226 in a 2005 Nissan Pathfinder?

- Common symptoms include engine stalling, rough idling, decreased fuel efficiency, and difficulty accelerating.

2. What can cause the Closed Throttle Position Learning Performance Problem in a 2005 Nissan Pathfinder?

- The main causes can be a faulty throttle position sensor, a dirty throttle body, vacuum leaks, or issues with the electronic throttle control system.

3. How can I diagnose the Closed Throttle Position Learning Performance Problem on my 2005 Nissan Pathfinder?

- Diagnosis typically involves using an OBDII scanner to retrieve the specific trouble code, checking the throttle position sensor's operation, inspecting the throttle body for dirt or carbon buildup, and looking for any vacuum leaks.

4. Can I drive my 2005 Nissan Pathfinder with the P1226 code present?

- It is not recommended to drive your vehicle with the P1226 code as it can lead to further damage and potential safety hazards. It's best to address the issue promptly.

5. How can I repair the Closed Throttle Position Learning Performance Problem on my 2005 Nissan Pathfinder?

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

6. Will resetting the OBDII code P1226 on my 2005 Nissan Pathfinder fix the issue?

- Resetting the code may temporarily clear the warning light, but it will not fix the underlying problem causing the Closed Throttle Position Learning Performance Problem.

7. Is it possible to prevent OBDII code P1226 from appearing in my 2005 Nissan Pathfinder?

- Regular maintenance, such as cleaning the throttle body and inspecting the throttle position sensor, can help prevent issues that trigger the P1226 code.

8. Can a DIY enthusiast fix the Closed Throttle Position Learning Performance Problem in a 2005 Nissan Pathfinder?

- Depending on your skills and tools, DIY enthusiasts may be able to address simpler causes like cleaning the throttle body. However, complex issues may require professional assistance.

9. How long does it typically take to repair OBDII code P1226 on a 2005 Nissan Pathfinder?

- The repair time can vary based on the specific cause of the issue. Simple fixes like cleaning the throttle body can take less than an hour, while sensor replacement or system troubleshooting may take longer.

10. Does the OBDII code P1226 affect the overall performance of a 2005 Nissan Pathfinder?

- Yes, the P1226 code can impact the vehicle's performance by causing rough idling, stalling, and reduced fuel efficiency. It's crucial to address this issue promptly to maintain optimal performance.

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