2020 Hyundai Santa Fe Cruise Control Isn't Working

Fixing Cruise Control Issues in the 2020 Hyundai Santa Fe

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Reviewed by
Devin Cabugcal
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 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 2020 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 steps to diagnose the cruise control issue in a 2020 Hyundai Santa Fe?

When diagnosing a cruise control issue in a 2020 Hyundai Santa Fe, it's crucial to follow a structured diagnostic approach that starts with the simplest checks. Begin by inspecting the cruise control fuse in the vehicle's fuse box, as a blown fuse is a common and easily fixable problem. Next, check the functionality of the cruise control buttons on the steering wheel; if these buttons are faulty, they can hinder the system's operation. Utilizing an OBD-II scanner to read any error codes can provide valuable insights into underlying issues, helping to pinpoint the problem more accurately. Additionally, ensure that the vehicle speed sensor is functioning correctly, as it plays a vital role in the cruise control system's performance. Finally, verify that the brake lights are operational, since a malfunctioning brake light switch can prevent the cruise control from engaging. By systematically addressing these areas, you can effectively diagnose and resolve the cruise control issue in your Hyundai Santa Fe.

What are the common problems that could cause the cruise control to stop working in a 2020 Hyundai Santa Fe?

When dealing with cruise control issues in a 2020 Hyundai Santa Fe, it's essential to understand the common problems that may arise. 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 can prevent the system from engaging properly. Additionally, speed sensor issues can disrupt the cruise control's functionality, as the system relies on accurate speed readings to maintain the desired pace. Another potential problem is a blown fuse within the cruise control system, which can halt its operation entirely and necessitate a simple fuse replacement. Furthermore, a malfunction in the throttle control system, particularly with the throttle position sensor, can hinder the cruise control's ability to sustain a consistent speed. Lastly, problems with the Electronic Control Module (ECM), which oversees various vehicle functions including cruise control, can also lead to failures. If you experience any of these issues, it is advisable to consult a qualified mechanic for a thorough inspection and diagnosis.

How urgent is it to address the malfunctioning cruise control in a 2020 Hyundai Santa Fe?

When it comes to a malfunctioning cruise control in a 2020 Hyundai Santa Fe, the urgency to address the problem cannot be overstated. A faulty cruise control system can lead to unexpected acceleration or deceleration, creating a significant safety hazard for both the driver and other road users. Ignoring these symptoms not only increases the risk of accidents but can also result in more extensive damage to the vehicle's systems, leading to costly repairs down the line. Therefore, it is crucial for DIY enthusiasts to recognize the importance of prompt action. Having the cruise control system inspected and repaired by a qualified technician is advisable to ensure that it operates safely and effectively. By addressing the issue quickly, you can maintain the integrity of your vehicle and ensure a safer driving experience.

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