2020 Acura NSX Cruise Control Isn't Working

Diagnosing the Causes of Cruise Control Malfunctions in Your 2020 Acura NSX and How to Fix Them

Find Repair Location
Reviewed by
Andrew Hajjar
Written by RepairPal Car Genius
Updated January 14, 2025
0%
30% chance it's the
Sensor
0%
25% chance it's the
Control Module
0%
25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a 2020 Acura NSX cruise control isn't working are failed control module, sensor or switch issues, or throttle actuation problems.
  • Sensor: A faulty or malfunctioning sensor can lead to incorrect readings, causing issues with engine performance or other systems relying on accurate data.
  • Control Module: A faulty control module can lead to erratic vehicle behavior or failure of various electronic systems due to improper signal processing.
  • Throttle: A faulty throttle body or a defective accelerator pedal position sensor may be causing inconsistent throttle response.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

What steps should I take to diagnose the non-functioning cruise control in my 2020 Acura NSX?

To effectively diagnose the non-functioning cruise control in your 2020 Acura NSX, begin with the simplest solutions before progressing to more intricate assessments. Start by checking the cruise control fuse located in the fuse box; a blown fuse is an easy fix that can restore functionality. Next, inspect the cruise control buttons on your steering wheel for any signs of damage or sticking, as these can prevent the system from engaging properly. If these initial checks do not resolve the issue, turn your attention to the speed sensor, which is vital for cruise control operation. Testing this component can help determine if it is functioning correctly. Additionally, examine the brake pedal switch, as a malfunction here can inadvertently disengage the cruise control when the brakes are applied. If the problem persists, using an OBD-II scanner to check for error codes can provide further insights into the issue. Should these steps not yield results, consulting a qualified mechanic is advisable, as they possess the expertise and tools necessary for more complex diagnostics. By following this structured approach, you can systematically identify and address the root cause of your cruise control problems.

What are the common problems that could cause the cruise control to stop working in a 2020 Acura NSX?

When troubleshooting the cruise control system in a 2020 Acura NSX, it's essential to understand the common problems that could lead to its malfunction. One of the primary culprits is a faulty cruise control switch, which can hinder the system's ability to engage or disengage properly. Additionally, a blown fuse within the cruise control circuit can disrupt its functionality, rendering it inoperable. Another critical component to check is the speed sensor; if this sensor is malfunctioning, it may fail to relay the necessary information to maintain a constant speed. Furthermore, a malfunctioning brake light switch can cause the cruise control to disengage unexpectedly when the brakes are applied, leading to erratic behavior. Lastly, issues with the throttle actuator, which regulates engine speed, can also affect the cruise control's performance. By systematically examining these areas, you can effectively diagnose and potentially resolve the issues affecting your vehicle's cruise control system.

How urgent is it to address the non-functioning cruise control in a 2020 Acura NSX?

Addressing the non-functioning cruise control in your 2020 Acura NSX should be considered a priority, even if it may not seem like an immediate safety concern. While the absence of this feature does not directly compromise the vehicle's drivability, it can significantly detract from your overall driving experience, especially during long trips where maintaining a consistent speed is beneficial. Ignoring this issue could lead to increased driver fatigue and frustration, particularly on highways where cruise control is most useful. Moreover, the underlying cause of the malfunction could potentially escalate into more serious electronic system problems if left unresolved. Therefore, taking the time to diagnose and fix the cruise control issue not only enhances your comfort and convenience but also helps safeguard against future complications, ensuring your Acura NSX remains in optimal condition for all your driving needs.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.

2020 Acura NSX Cruise Control Issues & Repair Costs