Nissan P1564 Code: ASCD Switch Location Explained

Nissan P1564
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In the fast-paced world of today, the ability to maintain a consistent speed while driving can make a significant difference in both fuel efficiency and overall driving comfort. Cruise control systems, designed to do just that, have become a standard feature in modern vehicles. However, when these systems encounter issues, it can disrupt the smoothness of your ride. In this article, we will explore the P1564 error code related to the cruise control master switch malfunction in Nissan vehicles.

Understanding Cruise Control

Before diving into the intricacies of the P1564 error code, let’s establish a fundamental understanding of cruise control. Cruise control is an innovative feature that allows drivers to set a specific speed for their vehicle, effectively eliminating the need to maintain constant pressure on the gas pedal. It provides a convenient way to keep your vehicle moving at a consistent pace, which is not only beneficial for long highway drives but also for fuel efficiency and reducing driver fatigue.

The Role of the Cruise Control Master Switch

To make use of the cruise control system in your Nissan vehicle, you rely on the cruise control master switch. This switch acts as the control center for the system, allowing you to activate, set, and deactivate cruise control with ease. When this switch malfunctions, it can lead to issues with the entire cruise control system, triggering the P1564 error code.

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Common Symptoms of P1564 – Cruise Control Master Switch Malfunction

When your Nissan’s cruise control master switch encounters a malfunction, it can manifest in various ways. Here are some common symptoms to look out for:

1. Inoperative Cruise Control:

The most apparent sign of a malfunctioning master switch is the inability to activate the cruise control system. You may find that pressing the cruise control buttons has no effect.

2. Intermittent Cruise Control:

In some cases, the cruise control system may work intermittently. It might engage and disengage unexpectedly, making it challenging to maintain a constant speed.

3. Dashboard Warning Light:

When the P1564 error code is triggered, your Nissan’s dashboard may illuminate with a warning light, indicating an issue with the cruise control system.

Possible Causes of P1564 Error

To address the P1564 error code, it’s essential to understand the potential causes of the malfunction:

1. Faulty Master Switch:

The most common cause is a malfunctioning cruise control master switch. Over time, these switches can wear out or develop electrical issues.

2. Wiring Problems:

Faulty wiring or loose connections in the cruise control circuit can also trigger the P1564 error. A thorough inspection of the wiring is crucial.

3. Control Module Issues:

In some instances, problems with the cruise control module can lead to a malfunctioning master switch.

Diagnosing and Resolving the Issue

If you encounter the P1564 error code in your Nissan, it’s advisable to seek professional assistance. Diagnosing the exact cause of the malfunction requires specialized equipment and expertise. A certified technician can perform a thorough inspection, check the wiring and connections, and test the cruise control master switch to identify the problem accurately.

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Once the issue is diagnosed, necessary repairs or replacements can be made. This may involve replacing the faulty master switch, repairing wiring problems, or addressing issues with the control module. Prompt attention to the problem ensures the safe and reliable operation of your vehicle’s cruise control system.


Cruise control is a valuable feature that enhances the driving experience by maintaining a consistent speed. However, when issues like the P1564 error code arise due to a malfunctioning cruise control master switch, it’s essential to address them promptly. Seeking professional assistance and timely repairs will ensure that you can once again enjoy the convenience and benefits of cruise control in your Nissan vehicle.

FAQs (Frequently Asked Questions)

  1. Is it safe to continue driving with the P1564 error code? It’s advisable to avoid using cruise control and have the issue addressed as soon as possible to ensure safe driving.
  2. Can I attempt to fix the cruise control master switch issue myself? Unless you have the necessary expertise and equipment, it’s best to leave the diagnosis and repair to a professional technician.
  3. Are there any DIY troubleshooting steps for the P1564 error? Checking the fuse related to the cruise control system is one step you can take, but for a comprehensive diagnosis, professional help is recommended.
  4. Is the P1564 error specific to Nissan vehicles only? While this error code is commonly associated with Nissan vehicles, similar issues can occur in other makes and models.
  5. How can I find a certified technician to address the P1564 error in my Nissan? You can contact your local Nissan dealership or search for reputable auto repair shops with expertise in Nissan vehicles for assistance.
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