2019 Hyundai Tucson Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2019 Hyundai Tucson 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 2019 Hyundai Tucson 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 Hyundai Tucson 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.

What are the initial diagnostic steps to troubleshoot the non-functioning cruise control in a 2019 Hyundai Tucson?

When faced with a non-functioning cruise control in your 2019 Hyundai Tucson, start by checking the simplest components first. Begin with the cruise control fuse; a blown fuse can easily disrupt the entire system, so inspect it for any signs of damage. Next, examine the cruise control switch located on your steering wheel to ensure it is operational and free from any physical damage. It's also essential to verify that your brake lights are functioning correctly, as a faulty brake light switch can inadvertently disable the cruise control. Additionally, the vehicle speed sensor is critical for cruise control operation, so ensure it is working properly. Finally, if the issue persists, utilize a diagnostic scanner to check for any error codes that may provide insight into the problem. By systematically addressing these areas, you can effectively diagnose and potentially resolve the cruise control issue in your Tucson.

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

When troubleshooting the cruise control system in a 2019 Hyundai Tucson, it's essential to understand the common problems that may lead to its failure. 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 can prevent the system from engaging properly. Additionally, issues with the speed sensor can disrupt the vehicle's ability to maintain a constant speed, leading to cruise control problems. Another potential issue is a blown fuse, which can cut power to the cruise control system entirely. Furthermore, a malfunction in the throttle control system can hinder the cruise control's functionality, as it relies on precise throttle adjustments to maintain speed. Lastly, any underlying electrical problems within the cruise control system or its components can also result in operational failures. If you encounter issues with your cruise control, it's advisable to conduct a thorough inspection or consult a qualified mechanic to accurately diagnose and resolve the problem.

How urgent is it to address the malfunctioning cruise control in my 2019 Hyundai Tucson?

When it comes to a malfunctioning cruise control system in your 2019 Hyundai Tucson, the urgency to address the issue cannot be overstated. A faulty cruise control can lead to unpredictable vehicle behavior, such as sudden acceleration or deceleration, which poses significant safety risks, especially in high-traffic situations. Ignoring these symptoms not only jeopardizes your safety but also that of other road users. Moreover, delaying repairs can exacerbate the problem, potentially leading to more extensive damage to the vehicle's electrical or mechanical systems, resulting in higher repair costs down the line. Therefore, it is crucial to prioritize the inspection and repair of your cruise control system, ideally by a qualified mechanic or an authorized Hyundai service center, to ensure your vehicle operates safely and reliably. Taking prompt action will help you avoid accidents and maintain the integrity of your vehicle, making it a vital step for any DIY enthusiast concerned about road safety.

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2019 Hyundai Tucson Cruise Control Issues & Solutions