Acura NSX Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your Acura NSX and How to Fix Them

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Reviewed by
Aisha
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 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.

Troubleshooting Cruise Control Issues in an Acura NSX

When troubleshooting cruise control issues in your Acura NSX, it's essential to adopt a systematic diagnostic approach. Begin by checking the simplest components, such as the cruise control fuse and brake light switch, as these are common culprits for system failures. If the cruise control light activates but the system does not engage, this may indicate a deeper issue, possibly with the control module or throttle sensor. Next, inspect the cruise throttle cable actuator; disconnect it and examine the wiring for any signs of damage or wear. If these initial checks do not resolve the issue, proceed to inspect the controller and actuator signals, as well as the controller's location behind the dashboard, which may require some effort to access. By methodically addressing each component, you can effectively identify and resolve the underlying problem with your cruise control system.

What Could Cause the Cruise Control to Malfunction in an Acura NSX?

When dealing with cruise control malfunctions in an Acura NSX, several common problems may be at the root of the issue. One of the first things to check is the fuse related to the cruise control system; a blown fuse can easily disrupt functionality. Next, inspect the brake pedal switch, as a defect here can prevent the cruise control from engaging properly. Additionally, issues with the throttle control system can hinder the cruise control's ability to maintain a steady speed, so it's crucial to assess this component as well. Don't overlook the Anti-lock Braking System (ABS), as malfunctions in this area can also impact cruise control performance. Lastly, the brake light switch should be examined, particularly its cruise control contacts, since a failure in this switch can lead to operational problems. By systematically checking these components, you can effectively diagnose and potentially resolve cruise control issues in your Acura NSX.

Why is the Cruise Control Not Working in an Acura NSX?

When the cruise control in your Acura NSX is not functioning, it’s crucial to address the issue without delay. Ignoring symptoms such as a blown fuse, a faulty brake pedal switch, or defective components can not only compromise your driving experience but also pose significant safety risks. For instance, if the brake pedal switch is malfunctioning, it may inadvertently disengage the cruise control, leading to unexpected acceleration or deceleration. Additionally, electrical problems, such as faulty wiring, can exacerbate the situation, potentially causing further damage to the vehicle's systems. Engine-related issues, indicated by a check engine light, can also prevent the cruise control from operating correctly, making it essential to diagnose and resolve these problems promptly. By taking the time to troubleshoot and fix these common issues, you can ensure that your cruise control system operates safely and effectively, enhancing your driving experience while minimizing the risk of accidents or costly repairs.

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