2019 Hyundai Santa Fe Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2019 Hyundai Santa Fe and How to Fix Them

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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 Hyundai Santa Fe 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 Santa Fe 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 take when the cruise control isn't working on a 2019 Hyundai Santa Fe?

When faced with a malfunctioning cruise control system in your 2019 Hyundai Santa Fe, it's crucial to adopt a systematic diagnostic approach. Begin by checking the cruise control fuse, as a blown fuse can easily disrupt the system's functionality. Next, inspect the cruise control buttons on the steering wheel to ensure they are operational, since faulty buttons can prevent engagement. It's also important to verify the speed sensor's performance, as a malfunction here can directly affect cruise control operation. Utilizing a diagnostic scanner to check for error codes can provide valuable insights into any underlying issues. Additionally, ensure that your brake lights are functioning correctly, as a defective brake light switch can inhibit cruise control activation. Lastly, if your vehicle employs a vacuum-operated system, inspect the vacuum lines for any leaks or damage that could impair performance. By following these steps, you can effectively diagnose and potentially resolve common cruise control issues, paving the way for a smoother driving experience. If problems persist, consulting a professional mechanic may be necessary for more complex repairs.

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

When the cruise control in your 2019 Hyundai Santa Fe ceases to function, it can be frustrating, but understanding the common issues can help you diagnose the problem. One frequent culprit 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. A blown fuse related to the cruise control system can also be a simple yet overlooked reason for failure, cutting off power to the system entirely. Furthermore, problems with the throttle control, such as a defective throttle position sensor, can hinder the cruise control's performance by affecting speed consistency. Lastly, if the Electronic Control Module (ECM) encounters issues, it can lead to broader functionality problems, including those affecting the cruise control. By systematically checking these components, you can effectively troubleshoot and potentially resolve the cruise control issues in your vehicle.

How urgent is it to address the malfunctioning cruise control in a 2019 Hyundai Santa Fe?

Addressing a malfunctioning cruise control in a 2019 Hyundai Santa Fe is of utmost urgency due to the significant safety risks it poses. A malfunction can lead to unexpected acceleration or deceleration, which can result in dangerous driving situations and increase the likelihood of accidents. Moreover, issues with the cruise control system may signal deeper problems within the vehicle's electronic systems or sensors, potentially affecting overall performance and drivability. Neglecting these symptoms not only compromises safety but can also lead to decreased fuel efficiency and increased wear on the vehicle, resulting in more costly repairs down the line. By promptly addressing the cruise control malfunction, you can ensure your vehicle operates safely and efficiently, ultimately preserving its longevity and your peace of mind on the road.

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