2020 Acura ILX Cruise Control Isn't Working

Fixing Cruise Control Issues in the 2020 Acura ILX

Find Repair Location
Reviewed by
Bo Fader
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 ILX 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.

How much does it cost to fix a 2020 Acura ILX cruise control isn't working?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

In the event that a wheel speed sensor fails, the ABS, traction control system (TCS) and manufacturer specific stability control system lights will illuminate, informing the driver that the systems are disabled. The vehicle will be more prone to tire slip, and normal driving patterns may need to be adjusted to correct for the loss of computer control. On older vehicle's, the speedometer can be affected, causing illumination of the check engine light as well.

The cruise control switch can cause complete failure of the cruise control feature, but in a lucky scenario only partial functionality will be lost. This means that the cruise control may come on, but that it will not increase in speed automatically, or the cancel button does not work leading the driver to cancel cruise control with the foot brake. In some vehicles, the cruise control light may illuminate, or a warning message may be displayed due to lack of functionality.

What steps should I take to diagnose the cruise control issue in my 2020 Acura ILX?

To diagnose the cruise control issue in your 2020 Acura ILX, begin with the simplest checks to avoid unnecessary complications. Start by inspecting the cruise control fuse, as a blown fuse can easily disrupt the system's functionality. Next, examine the cruise control buttons on your steering wheel; faulty buttons can prevent the system from engaging properly. If these initial checks do not reveal the problem, use an OBD-II scanner to look for any error codes that may indicate specific issues within the cruise control system. Following this, assess the speed sensors, as they play a crucial role in maintaining the set speed; any malfunction here can lead to cruise control failure. Additionally, ensure that your brake lights are functioning correctly, since a defective brake light switch can interfere with cruise control operation. If all else fails, test the cruise control module itself, as a defective module may be the root cause of the problem. Should you still be unable to identify the issue, it may be time to consult a professional mechanic or an authorized Acura service center for a comprehensive diagnosis and repair. By following this structured approach, you can effectively troubleshoot and potentially resolve the cruise control issue in your Acura ILX.

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

When dealing with cruise control issues in a 2020 Acura ILX, it's essential to understand the common problems that may arise. One frequent culprit is a faulty cruise control switch, which can hinder the system's ability to engage or disengage properly. Additionally, a blown fuse can disrupt the electrical flow necessary for the cruise control to function, making it a straightforward issue to check and replace. Another critical component is the speed sensor; if it malfunctions, the cruise control may struggle to maintain the desired speed, leading to erratic performance. The brake light switch also plays a vital role, as it is designed to disengage the cruise control when the brakes are applied; a malfunction here can prevent the system from working correctly. Lastly, issues with the throttle actuator can impede the cruise control's ability to adjust the engine's throttle, further complicating its operation. By systematically checking these components, DIYers can effectively diagnose and resolve cruise control problems, ensuring a smoother driving experience.

How urgent is it to address the malfunctioning cruise control in my 2020 Acura ILX?

Addressing a malfunctioning cruise control system in your 2020 Acura ILX is crucial for both safety and vehicle performance. When cruise control fails, it can lead to unpredictable acceleration or deceleration, significantly increasing the risk of accidents on the road. This feature is designed to enhance your driving experience by maintaining a steady speed, and when it malfunctions, it not only compromises comfort but also safety. Moreover, neglecting this issue can result in higher fuel consumption due to erratic speed control, which can add unnecessary costs over time. Additionally, delaying repairs may lead to further complications within the vehicle's electronic systems, potentially resulting in more extensive and expensive repairs down the line. Therefore, it is essential to prioritize the repair of your cruise control system to ensure your safety, maintain optimal vehicle performance, and avoid future financial burdens.

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.