Hyundai Santa Fe Sport Cruise Control Isn't Working

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

Find Repair Location
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 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 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.

When the vehicle speed sensor fails or the wiring harness prevents signal transmission, the speedometer is the first thing that will stop functioning properly. This can be an intermittent issue where the speedometer only works occasionally, the speedometer may cease all function, or the speedometer may read erratically or incorrectly. Also, the traction control and anti lock brake warning lights specific to each vehicle may be illuminated, depending on the design of those systems. You may notice the vehicle hesitate to accelerate, cruise control will not function properly, and the vehicle may not shift properly through all of the gears.

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.

Troubleshooting Cruise Control Issues in a Hyundai Santa Fe Sport

When troubleshooting cruise control issues in your Hyundai Santa Fe Sport, begin with the simplest solutions before delving into more complex diagnostics. Start by checking the cruise control switch and ensuring it is functioning properly; a faulty switch can prevent the system from engaging. Next, inspect the vehicle's fuses, as a blown fuse can disrupt the cruise control operation. If the cruise control light illuminates but does not engage, this may indicate a deeper issue, such as a malfunctioning control module or throttle actuator. Additionally, consider external factors that could interfere with the system, like obstructions over radar sensors, which are crucial for adaptive features. If you encounter warning messages related to Automatic Emergency Braking or persistent alarms, these could signal a need for recalibration or further inspection of the associated sensors. By systematically addressing these areas, you can effectively diagnose and potentially resolve cruise control issues, ensuring a smoother driving experience. If these steps do not yield results, seeking professional assistance may be necessary to address more intricate problems.

What Are the Common Problems Causing Cruise Control Issues in a Hyundai Santa Fe Sport?

When dealing with cruise control issues in a Hyundai Santa Fe Sport, it's essential to understand the common problems that may arise. One of the primary culprits is a malfunctioning control module, which can disrupt the communication between the cruise control system and the vehicle's engine management. Additionally, faulty sensors or switches can lead to erratic behavior, such as the cruise control disengaging unexpectedly. Throttle actuation problems are another frequent issue, where the throttle may not respond correctly, preventing the cruise control from maintaining speed. Owners have also reported specific scenarios, such as the cruise control canceling when using turn signals, which may indicate a wiring or sensor issue. Furthermore, problems with Adaptive Cruise Control (ACC) and Automatic Emergency Braking (AEB) can complicate matters, especially if the radar sensor is obstructed, such as by a front license plate. By systematically checking these areas, DIYers can effectively troubleshoot and potentially resolve cruise control issues in their Hyundai Santa Fe Sport.

Why is the Cruise Control Not Working in a Hyundai Santa Fe Sport?

When the cruise control in your Hyundai Santa Fe Sport fails to operate, it’s crucial to address the problem promptly, as neglecting it can lead to safety risks and further vehicle complications. Common culprits include a malfunctioning control module, faulty sensors, or defective switches, which can disrupt the system's functionality. Additionally, throttle actuation issues or a blown fuse may prevent the cruise control from engaging. A defective brake pedal switch is another frequent cause, as it can mistakenly signal that the brakes are applied, disabling the cruise control. Furthermore, problems within the throttle control system or the ABS can also contribute to this malfunction. In older models, a broken vacuum line may be the issue. Ignoring these symptoms not only compromises your driving experience but can also lead to more significant repairs down the line. Therefore, it’s advisable to conduct a thorough inspection of these components to ensure your cruise control system operates safely and effectively.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.