Nissan P1137 Code Symptoms, Causes, & Fixes

Recently, my engine light came on and I discovered the code was P1137. After researching what this code could mean, I realized I needed to learn more. This article is for anyone who wants to understand the Nissan P1137 code and its potential causes, symptoms, and fixes. I’ll discuss the cost of diagnosis, as well as provide practical tips to effectively diagnose and repair the issue. Join me as I unravel the mysteries of the Nissan P1137 code.

Key Takeaways

  • The DTC P1137 Nissan code is related to the swirl control valve position sensor.
  • Symptoms of the code may include the engine light being on, reduced power, and potential fuel efficiency issues.
  • Possible causes of the code include a faulty sensor, wiring harness issues, or a poor electrical connection.
  • It is recommended to visually inspect the wiring harness and connectors, check for damaged components, and consult a professional for accurate diagnosis and repair.

Understanding the Nissan P1137 Code

Position of the swirl control valve from Youtube channel Chat With Matt. P1137 CodeI’m researching the Nissan P1137 code to understand its symptoms, causes, and fixes. One of the possible causes of this code is a malfunctioning swirl control valve. This can lead to engine performance issues, reduced power, and fuel efficiency problems. To diagnose and fix the issue, it is important to inspect the wiring harness and connectors, as well as look for any damaged components. Additionally, Nissan may have issued a Factory Service Bulletin for this code, which should be consulted. To accurately diagnose and repair the issue, a professional or repair shop should be consulted. It is also important to note that the cost to diagnose the code can vary depending on various factors.

Common Symptoms Associated With the Nissan P1137

Common symptoms associated with the P1137 include an illuminated engine light, reduced power, and decreased fuel efficiency. Performance issues and warning lights may also be experienced. It’s important to take the car to a professional for accurate diagnosis and proper repair. Diagnostic steps may be required to pinpoint the cause of the issue. Fuel efficiency could be affected due to the issue, so it’s important to address it in order to ensure safe and efficient driving. Taking the car to an auto repair shop can help identify the exact cause and offer the right fixes. It is also important to check if any factory service bulletins have been issued related to the P1137 code. Taking the necessary steps to address the issue can help restore performance and fuel efficiency.

Potential Causes Behind the Nissan P1137 Code

The P1137 code can have several potential causes, including a faulty swirl control valve control position sensor, a shorted or open swirl control valve control position sensor harness, or a poor electrical connection in the swirl control valve control position sensor circuit. Performance issues, reduced power, and reduced fuel efficiency may result from any of these issues. Diagnostic steps should be taken to determine the cause of the code. Visually inspect the related wiring harness and connectors, check for damaged components, and look for broken or corroded connector pins. Additionally, Nissan may have issued a Factory Service Bulletin for this code, so it’s worth checking. Accurate diagnosis and repair is necessary to ensure proper performance and fuel efficiency.

Effective Fixes for the Nissan P1137 Code

To ensure proper performance and fuel efficiency, it’s important to take the necessary steps to effectively fix the P1137 code. Replacing the swirl control valve is essential for resolving this issue. Additionally, inspecting the wiring harness, cleaning the connector pins, and testing the ECM voltage are all important steps for ensuring a proper fix. Additionally, there may be performance-tuning options available to help resolve the issue. As such, it’s important to be detail-oriented and knowledgeable when diagnosing and repairing this issue. If any of the necessary steps are overlooked, it could lead to further complications and costly repairs. To prevent this, it’s important to take the necessary steps to properly fix the P1137 code.

Video Help for a Nissan P1137 Error

This video is done by the YouTube channel Chat With Matt where he goes through how to diagnose and fix an error that is related to the swirl control valve and understanding around it all in an older Nissa Pathfinder. This video is 13 minutes long, click the red play button below to watch it.


Frequently Asked Questions

What Type of Nissan Vehicles Might Be Affected by the P1137 Code?

The P1137 code can affect many Nissan vehicles, most commonly those with direct injection engines. Performing preventative maintenance and following DIY fixes can help prevent this code from occurring. However, if it does occur, engine resetting and using diagnostic tools may be necessary. It’s important to thoroughly inspect the wiring, connectors, and components involved in order to diagnose and fix the issue. If you’re not sure what to do, it’s best to consult a professional who can help you find the root of the problem and offer the best solution for you and your car.

Is There Any Risk of Engine Damage if the Code Is Not Fixed?

Yes, there is a risk of engine damage if the code is not fixed. It’s important to keep up with preventive maintenance to avoid worn parts and fault codes. Ignoring a diagnostic test that indicates a problem with the engine can result in engine damage, and it’s important to take action as soon as possible. Regularly checking for fault codes and fixing them immediately can help prevent further damage and ensure the engine runs smoothly. Taking the right steps to fix the code quickly can help you avoid costly repairs and keep your engine running properly.

What Is the Average Cost to Diagnose and Repair the Code?

The average cost to diagnose and repair a check engine light code can vary depending on the make and model of the vehicle, the type of engine, and other factors. It is usually recommended to have a professional check the common causes of the code, such as a faulty swirl control valve position sensor. Taking preventative measures like regularly inspecting the wiring harness and connectors can also help, and there are many online resources available for research. In the end, it is usually best to seek professional help to ensure the code is properly and safely addressed.

How Long Does It Typically Take to Diagnose and Repair the Code?

It typically takes an hour or two to diagnose and repair the DTC P1137 Nissan code. This time frame is subject to change depending on the severity of the engine damage, the cost of repairs, and the experience of the professional providing the diagnosis. Ongoing maintenance may also be necessary to ensure that the code does not reappear. The cost of professional diagnosis and repair will vary depending on the vehicle’s make and model, engine type, and location. It is important to identify the root cause of the issue to ensure that the problem is resolved.

Are There Any Other Diagnostic Steps That Should Be Taken if the Code Persists?

If the code persists, it is important to take additional diagnostic steps. This may include replacing the sensor, checking for other error codes, and using diagnostic tools to further investigate mechanical issues. It is also important to ensure engine maintenance is up to date, such as oil changes and spark plug replacements. If the issue persists, it may be necessary to consult with a professional mechanic to identify any underlying mechanical issues that may be causing the code. By taking these additional steps, you can ensure that your engine is running properly and that any issues are quickly identified and resolved.


The Nissan P1137 code can be an indicator of a problem with the swirl control valve position sensor in Nissan vehicles. It’s important to understand the common symptoms, potential causes, and effective fixes to diagnose the issue and get your car running again. Diagnosing and fixing the problem may require a mechanic, but it will be worth it to get your car back to running smoothly and safely.

Posted in ,


The information on this site is for informational purposes only. FixAutoCodes, its affiliates and content licensors assume no liability for any inaccurate, incomplete information or the outcome of any work done. Always consult your local professional mechanic to ensure the best outcomes.

Scroll to Top