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P1564 Infiniti Code - ASCD Steering Switch

Quick Answer

The P1564 code in Infiniti vehicles specifically relates to the ASCD (Automatic Speed Control Device) steering switch. Common causes include Faulty ASCD steering switch: The most common cause of the P1564 code is a malfunction in the ASCD steering switch itself, Wiring issues: Damaged or corroded wiring connected to the ASCD steering switch can also trigger this code, Loose connections: Loose or poor connections between the ASCD steering switch and the vehicle's wiring harness can lead to communication errors. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means
P1564 Infiniti indicates ASCD Steering Switch.
Common causes
Common causes include Faulty ASCD steering switch: The most common cause of the P1564 code is a malfunction in the ASCD steering switch itself, Wiring issues: Damaged or corroded wiring connected to the ASCD steering switch can also trigger this code, Loose connections: Loose or poor connections between the ASCD steering switch and the vehicle's wiring harness can lead to communication errors.
Severity
Low - monitor the vehicle and repair when practical.
Can I drive?
The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
What is this?
Table of contents Created and updated by William Orellana on Aug 19, 2024
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Code P1564 Infiniti Description

The P1564 code in Infiniti vehicles specifically relates to the ASCD (Automatic Speed Control Device) steering switch. This code indicates a malfunction in the ASCD steering switch, which is responsible for controlling the vehicle's cruise control system. The ASCD steering switch allows the driver to set, adjust, and deactivate the cruise control function through buttons located on the steering wheel. When this switch fails or malfunctions, it can lead to issues with the cruise control system, affecting the vehicle's performance and driver's convenience.

OBDII Code P1564 Infiniti - ASCD Steering Switch
P1564 Infiniti Code - ASCD Steering Switch

Common Causes of P1564 Infiniti

  1. Faulty ASCD steering switch: The most common cause of the P1564 code is a malfunction in the ASCD steering switch itself.
  2. Wiring issues: Damaged or corroded wiring connected to the ASCD steering switch can also trigger this code.
  3. Loose connections: Loose or poor connections between the ASCD steering switch and the vehicle's wiring harness can lead to communication errors.
  4. Electronic control unit (ECU) failure: In some cases, a malfunctioning ECU can cause the ASCD steering switch to malfunction.

Symptoms of P1564 Infiniti

  1. Inoperative cruise control: The most common symptom associated with the P1564 code is the inability to set or adjust the cruise control function.
  2. Illuminated warning light: The vehicle's dashboard may display a warning light related to the cruise control system.
  3. Unresponsive buttons: The buttons on the steering wheel that control the cruise control may become unresponsive or work intermittently.
  4. Erratic cruise control behavior: The cruise control may engage or disengage unexpectedly or fail to maintain a constant speed.

How to Fix P1564 Infiniti

  1. Diagnose the issue: Use a diagnostic scanner to retrieve the specific error code and determine the exact cause of the problem.
  2. Check wiring and connections: Inspect the wiring harness and connections related to the ASCD steering switch for any damage or loose connections.
  3. Replace ASCD steering switch: If the switch is found to be faulty, it will need to be replaced with a new one.
  4. Clear error codes: After replacing the ASCD steering switch, clear the error codes stored in the vehicle's ECU to reset the system.
  5. Test the cruise control: Test the cruise control system to ensure that the issue has been resolved and that the ASCD steering switch is functioning properly.

Cost to Fix P1564 Infiniti

The cost of repairing the ASCD steering switch can vary depending on the specific vehicle make and model, as well as the labor rates at the auto repair shop. On average, the parts for this repair may range from $100 to $300, while the labor costs can be between $100 and $200. Overall, the total repair cost for addressing the P1564 code in an Infiniti vehicle may range from $200 to $500. Keep in mind that these are rough estimates, and actual costs may differ based on various factors. It is recommended to consult with a certified mechanic or repair shop for a more accurate cost estimate.

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Information for Specific Infiniti Models

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 P1564 Infiniti Code

1. What are the common symptoms of OBDII code P1564 in an Infiniti related to the ASCD steering switch?

The common symptoms include the cruise control not working properly, the ASCD (Automatic Speed Control Device) indicator light illuminating on the dashboard, and potential issues with the steering wheel controls.

2. What usually causes OBDII code P1564 ASCD steering switch in an Infiniti?

The code P1564 typically indicates a malfunction in the ASCD steering switch, which can be caused by a faulty steering switch itself, wiring issues, or a problem with the ASCD control unit.

3. How can I diagnose the ASCD steering switch issue triggering code P1564 in my Infiniti?

Diagnosing the issue involves checking the wiring connections to the ASCD steering switch, testing the switch itself for proper functionality, and inspecting the ASCD control unit for any faults.

4. Can a DIY enthusiast repair OBDII code P1564 ASCD steering switch in an Infiniti?

While some basic troubleshooting like checking connections and fuses can be done by DIY enthusiasts, repairing or replacing the ASCD steering switch may require specialized tools and expertise, so it's recommended to consult a professional mechanic.

5. Is it safe to continue driving with OBDII code P1564 ASCD steering switch in an Infiniti?

It's generally safe to drive with the code P1564 related to the ASCD steering switch, but you may experience issues with the cruise control system. It's advisable to get the issue diagnosed and repaired as soon as possible.

6. Can resetting the OBDII system clear the P1564 ASCD steering switch code in an Infiniti?

Resetting the OBDII system may temporarily clear the code, but if the underlying issue with the ASCD steering switch is not addressed, the code is likely to reappear after some time.

7. Are there any specific Infiniti models prone to OBDII code P1564 ASCD steering switch issues?

While the code P1564 related to the ASCD steering switch can occur in various Infiniti models, some specific models may have a higher likelihood of experiencing this issue. Consulting your vehicle's manual or a mechanic can provide more model-specific information.

8. How much does it typically cost to repair OBDII code P1564 ASCD steering switch in an Infiniti?

The cost of repairing the ASCD steering switch issue triggering code P1564 can vary depending on the extent of the problem, parts needed, and labor costs. It's best to get a diagnostic from a mechanic to determine the exact repair cost.

9. Can a malfunctioning ASCD steering switch causing OBDII code P1564 affect other vehicle systems in an Infiniti?

While the primary impact of a malfunctioning ASCD steering switch is on the cruise control system, it's possible that other related systems like the vehicle's speed control functions may also be affected.

10. How long does it typically take to repair OBDII code P1564 ASCD steering switch in an Infiniti?

The repair time for addressing the ASCD steering switch issue triggering code P1564 can vary depending on the complexity of the problem, availability of parts, and the mechanic's workload. In general, it may take a few hours to a day for the repair to be completed.

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