2019 Acura TLX Cruise Control Isn't Working

Fixing Cruise Control Issues in Your 2019 Acura TLX

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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 2019 Acura TLX 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 2019 Acura TLX 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 non-functioning cruise control in my 2019 Acura TLX?

To effectively diagnose the non-functioning cruise control in your 2019 Acura TLX, begin with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by inspecting the cruise control fuse located in the fuse box; a blown fuse is an easy fix that can often resolve the issue. Next, examine the cruise control buttons on your steering wheel for any signs of sticking or damage, as these can hinder functionality. Following this, verify the operation of the speed sensor, since a malfunction here can disrupt the cruise control system. It's also crucial to check your brake lights, as faulty lights can prevent the cruise control from engaging. If these initial checks do not reveal the problem, utilize an OBD-II scanner to identify any error codes that may indicate specific issues. Finally, inspect the wiring and connections associated with the cruise control system for any damage or corrosion, ensuring all connections are secure. By following this diagnostic approach, you can efficiently identify and address the root cause of your cruise control issues.

What are the common problems that could cause the cruise control to stop working in a 2019 Acura TLX?

When the cruise control in your 2019 Acura TLX stops functioning, it can be frustrating, but understanding the common problems can help you diagnose the issue effectively. One of the primary culprits is a faulty brake pedal switch, which is crucial for disengaging the cruise control when the brake is applied. If this switch malfunctions, it may prevent the system from engaging at all. Additionally, issues with the speed sensor can disrupt the cruise control's ability to maintain speed, as it relies on accurate readings to operate correctly. Another potential problem could be a blown fuse within the cruise control system; checking and replacing any blown fuses is a straightforward task that can often resolve the issue. Furthermore, a malfunctioning throttle actuator can hinder the system's ability to maintain the set speed, while problems with the Electronic Control Module (ECM) can affect various vehicle functions, including cruise control. By systematically checking these components, you can identify and address the root cause of your cruise control issues, potentially restoring it to full functionality without the need for professional assistance.

How urgent is it to address the malfunctioning cruise control in my 2019 Acura TLX?

When it comes to the malfunctioning cruise control in your 2019 Acura TLX, the urgency of addressing the issue cannot be overstated. A malfunctioning system can lead to unexpected acceleration or deceleration, creating hazardous driving conditions that could result in accidents. Moreover, such issues may signal deeper problems within your vehicle's electronic systems or sensors, which could compromise other critical functions, further jeopardizing your safety. Ignoring these symptoms not only risks your immediate safety but can also lead to decreased fuel efficiency and overall vehicle performance, ultimately resulting in higher maintenance costs down the line. By promptly addressing the cruise control malfunction, you not only safeguard your well-being but also prevent potential damage to your vehicle, ensuring it operates as intended and prolonging its lifespan. Therefore, taking swift action is essential for both your safety and the health of your Acura TLX.

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2019 Acura TLX Cruise Control Not Working: Causes & Repairs