Nissan P1564 Code: DIY ASCD Switch Repair

If you’re a proud owner of a Nissan vehicle and have encountered the P1564 error code, you’re in the right place. Dealing with a malfunctioning ASCD (Automatic Speed Control Device) switch can be frustrating, but fear not! In this comprehensive guide, we will walk you through the process of DIY ASCD switch repair, saving you time and money. Let’s dive in!

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Understanding the Nissan P1564 Code

Before we jump into the repair process, it’s essential to understand what the P1564 code means. This code is specific to Nissan vehicles and relates to issues with the ASCD switch. The ASCD switch, also known as the cruise control switch, plays a crucial role in maintaining your vehicle’s speed. When this switch malfunctions, it can trigger the P1564 code, causing your cruise control system to stop working.

Tools and Materials You’ll Need

Before we begin the repair, gather the necessary tools and materials. Here’s what you’ll need:

1. Screwdriver Set

  • Phillips and flathead screwdrivers will be handy for removing panels and screws.

2. Replacement ASCD Switch

  • Ensure you have the correct replacement switch for your Nissan model.

3. Multimeter

  • A multimeter will help you test the electrical connections.

4. Safety Gear

  • Safety glasses and gloves to protect yourself during the repair.

Step-by-Step ASCD Switch Repair

Now, let’s proceed with the DIY ASCD switch repair. Follow these steps carefully:

Step 1: Safety First

  • Begin by ensuring your vehicle is parked in a safe location, the engine is off, and the key is removed from the ignition.

Step 2: Battery Disconnection

  • To avoid electrical accidents, disconnect the vehicle’s battery.

Step 3: Access the ASCD Switch

  • Locate the ASCD switch on your Nissan’s steering column cover. Use your screwdriver to carefully remove the cover.

Step 4: Disconnect Wiring

  • Carefully disconnect the wiring harness from the ASCD switch.

Step 5: Remove the Faulty Switch

  • Use your screwdriver to remove the old ASCD switch from its mounting bracket.

Step 6: Install the New Switch

  • Securely attach the new ASCD switch to the mounting bracket.

Step 7: Reconnect Wiring

  • Reconnect the wiring harness to the new ASCD switch.

Step 8: Test the ASCD Switch

  • Use your multimeter to check the electrical connections and ensure everything is properly connected.

Step 9: Reassemble

  • Reassemble the steering column cover and all removed panels.

Step 10: Reconnect the Battery

  • Reconnect the vehicle’s battery.


Congratulations! You’ve successfully repaired your Nissan’s ASCD switch, and your cruise control should be back in working order. DIY repairs like this not only save you money but also give you a sense of accomplishment. Remember to follow safety precautions throughout the process.


1. What causes the P1564 code in Nissan vehicles?

  • The P1564 code in Nissan vehicles is usually triggered by a malfunctioning ASCD switch.

2. Can I use a generic ASCD switch for the repair?

  • It’s recommended to use a genuine replacement ASCD switch designed for your specific Nissan model.

3. How long does it take to complete this repair?

  • The repair can typically be completed in about 1-2 hours, depending on your experience and tools.

4. Is it safe to drive with the P1564 code?

  • It’s advisable not to use cruise control until you’ve repaired the ASCD switch to ensure your safety.

5. Where can I find a replacement ASCD switch for my Nissan?

  • You can find genuine replacement ASCD switches at your local Nissan dealership or online auto parts stores.

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