Engine-CodesNissan – P1225 2006 Nissan Maxima

P1225 2006 Nissan Maxima Code - Closed Throttle Position Learning Performance Problem

Quick Answer

The P1225 diagnostic trouble code for a 2006 Nissan Maxima indicates a Closed Throttle Position Learning Performance Problem. Common causes include Faulty throttle position sensor (TPS), Wiring or connector issues in the TPS circuit, Dirty or clogged 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
P1225 2006 Nissan Maxima indicates Closed Throttle Position Learning Performance Problem.
Common causes
Common causes include Faulty throttle position sensor (TPS), Wiring or connector issues in the TPS circuit, Dirty or clogged 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.
Table of contents Created and updated by William Orellana on Sep 13, 2024
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Code P1225 2006 Nissan Maxima Description

The P1225 diagnostic trouble code for a 2006 Nissan Maxima indicates a Closed Throttle Position Learning Performance Problem. This code is related to the throttle position sensor (TPS) and its ability to accurately detect the position of the throttle when it is closed. The TPS is a crucial component of the engine management system, as it informs the engine control module (ECM) about the position of the throttle, allowing the ECM to adjust fuel delivery and ignition timing accordingly.

OBDII Code P1225 2006 Nissan Maxima - Closed Throttle Position Learning Performance Problem
P1225 2006 Nissan Maxima Code - Closed Throttle Position Learning Performance Problem

Common Causes of P1225 2006 Nissan Maxima

  1. Faulty throttle position sensor (TPS)
  2. Wiring or connector issues in the TPS circuit
  3. Dirty or clogged throttle body
  4. Malfunctioning engine control module (ECM)
  5. Incorrect throttle position calibration

Symptoms of P1225 2006 Nissan Maxima

  1. Rough idling or unstable engine RPM
  2. Hesitation or lack of response during acceleration
  3. Reduced fuel efficiency
  4. Engine stalling or difficulty starting
  5. Illumination of the Check Engine Light

How to Fix P1225 2006 Nissan Maxima

  1. Begin by connecting a diagnostic scanner to the vehicle's OBD-II port to retrieve the trouble code and confirm the diagnosis.
  2. Inspect the throttle position sensor (TPS) for any signs of damage or wear. Replace the TPS if necessary.
  3. Clean the throttle body to remove any carbon buildup or debris that may be affecting its operation.
  4. Check the wiring and connectors in the TPS circuit for any damage or corrosion. Repair or replace as needed.
  5. Perform a throttle position relearn procedure using a scan tool to recalibrate the TPS and reset the closed throttle position learning.

Cost to Fix P1225 2006 Nissan Maxima

The typical repair costs for a Closed Throttle Position Learning Performance Problem can vary depending on the specific cause of the issue. In general, replacing a faulty throttle position sensor (TPS) can cost between $100 and $300, including parts and labor. Cleaning the throttle body may cost around $50 to $100, while diagnosing and repairing wiring or connector issues can range from $100 to $200. Overall, the total repair cost for this issue may range from $200 to $600, but it's essential to consult with a qualified mechanic or auto repair shop for an accurate estimate based on the specific diagnosis and repair needs. Labor rates at auto repair shops typically range from $80 to $150 per hour, but rates may vary based on location, vehicle make and model, and other factors.

Tech Notes for P1225 2006 Nissan Maxima

You can try to clean the throttle body first before replacing anything. After clean or replacing the throttle body you will have to do an Idle Air Relearn and Throttle Valve Closed Position Learning



Idle Air Relearn



Throttle Valve Closed Position Learning

When is the Code Detected?

Closed throttle position learning value is excessively low.

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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 P1225 2006 Nissan Maxima Code

1. What does OBDII code P1225 mean on a 2006 Nissan Maxima?

P1225 indicates a "Closed Throttle Position Learning Performance Problem," meaning the engine control module (ECM) has detected an issue with the throttle position learning process.

2. What are common symptoms of P1225 on a 2006 Nissan Maxima?

Symptoms may include poor acceleration, rough idling, reduced fuel efficiency, engine stalling, and the check engine light being illuminated.

3. What causes the P1225 code on a 2006 Nissan Maxima?

Common causes include a dirty or faulty throttle body, a malfunctioning throttle position sensor, wiring or connection issues, or a problem with the ECM.

4. How can I fix the P1225 code on my 2006 Nissan Maxima?

Start by cleaning the throttle body, checking the throttle position sensor and electrical connections, and performing a throttle position learning procedure. If issues persist, further diagnosis may be needed for the ECM.

5. How do I perform a throttle position learning procedure on a 2006 Nissan Maxima?

The procedure involves key cycles and pedal presses in a specific sequence. Consult the service manual for the exact steps or have a professional perform it with a scan tool.

6. Can a dirty throttle body cause the P1225 code?

Yes, carbon buildup in the throttle body can prevent the throttle plate from fully closing, leading to a learning performance issue.

7. Is it safe to drive with the P1225 code on a 2006 Nissan Maxima?

Driving with P1225 may be possible but not recommended, as it can lead to poor engine performance and increased fuel consumption. Address the issue promptly.

8. Will clearing the P1225 code with a scanner fix the problem?

Clearing the code may temporarily turn off the check engine light, but without addressing the underlying issue, the code is likely to return.

9. Can a faulty ECM cause the P1225 code on a 2006 Nissan Maxima?

While rare, a faulty ECM can cause the P1225 code if it fails to properly perform or store the throttle position learning process.

10. How much does it cost to fix a P1225 code on a 2006 Nissan Maxima?

Costs vary depending on the root cause. Cleaning the throttle body is inexpensive, while replacing a throttle position sensor or ECM can be more costly. Expect labor costs if professional diagnosis and repair are needed.

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