2015 Hyundai Santa Fe Sport Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2015 Hyundai Santa Fe Sport and How to Fix Them

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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 2015 Hyundai Santa Fe Sport 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 2015 Hyundai Santa Fe Sport 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 are the steps to diagnose the non-functioning cruise control in a 2015 Hyundai Santa Fe Sport?

To effectively diagnose the non-functioning cruise control in your 2015 Hyundai Santa Fe Sport, start with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Begin by inspecting the cruise control fuse located in the fuse box, as a blown fuse is a common and easily fixable issue that can halt the system's operation. Next, examine the cruise control buttons on the steering wheel for any signs of damage or sticking, as these can prevent the system from engaging. Following this, verify the functionality of the speed sensor, since a malfunction here can disrupt the cruise control's ability to maintain speed. Utilizing an OBD-II scanner to check for error codes can provide valuable insights into any underlying issues affecting the cruise control system. Additionally, ensure that the brake and clutch switches are functioning correctly, as faulty switches can inhibit activation. Finally, inspect the wiring and connections associated with the cruise control system for any damage or corrosion, as poor connections can lead to failure. By following this structured diagnostic approach, you can efficiently identify and address the root cause of the cruise control malfunction in your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2015 Hyundai Santa Fe Sport?

When the cruise control in a 2015 Hyundai Santa Fe Sport ceases to function, several common problems may be at play. One of the primary culprits is a faulty brake light switch, which is crucial for the cruise control system as it disengages the system when the brake pedal is pressed. If this switch is malfunctioning, it can prevent the cruise control from engaging. Another potential issue is a malfunctioning speed sensor, which is responsible for relaying the vehicle's speed to the cruise control system; if this sensor fails, the system cannot maintain a constant speed. Additionally, a blown fuse in the cruise control circuit can completely disable the system, necessitating a simple fuse replacement. Problems with the throttle control system, such as a defective throttle position sensor, can also disrupt cruise control functionality. Lastly, issues with the Electronic Control Module (ECM), which oversees various vehicle functions including cruise control, can lead to operational failures. By understanding these common problems, DIYers can better diagnose and address the issues affecting their vehicle's cruise control system.

How urgent is it to address the non-functioning cruise control in a 2015 Hyundai Santa Fe Sport?

When it comes to the non-functioning cruise control in a 2015 Hyundai Santa Fe Sport, understanding the urgency of the situation is crucial for any DIY enthusiast. While a malfunctioning cruise control may not present an immediate safety risk like failing brakes or steering, it can still indicate deeper issues within the vehicle's electronic systems. Ignoring this problem could lead to further complications, potentially affecting other critical components and compromising overall vehicle safety. Additionally, a properly functioning cruise control system enhances driving comfort and fuel efficiency, making it an important feature for long trips. Therefore, it is advisable to inspect and address the cruise control issue promptly, either through a DIY approach or by consulting a qualified mechanic, to ensure the vehicle remains safe and reliable on the road.

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