2017 Hyundai Ioniq Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2017 Hyundai Ioniq and How to Fix Them

Find Repair Location
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 2017 Hyundai Ioniq 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 2017 Hyundai Ioniq 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.

What are the initial diagnostic steps to troubleshoot the non-functional cruise control in a 2017 Hyundai Ioniq?

When troubleshooting the non-functional cruise control in a 2017 Hyundai Ioniq, it's essential to adopt a systematic diagnostic approach. Start by checking the cruise control fuse, as a blown fuse is a common and easily fixable issue that can disrupt the system's operation. Next, inspect the cruise control switch to ensure it is functioning correctly; a faulty switch can prevent the cruise control from engaging. Following this, verify the speed sensors, as they play a crucial role in the cruise control system's performance; if they are malfunctioning, it can lead to operational issues. Additionally, using a diagnostic scanner to check for error codes can provide valuable insights into any underlying problems. Lastly, don't forget to check the brake lights, as they are often interconnected with the cruise control system; if the brake lights are not working, it can inhibit the cruise control from functioning properly. By methodically following these steps, you can effectively diagnose and potentially resolve the cruise control issues in your Hyundai Ioniq.

What are the common problems that could cause the cruise control to stop working in a 2017 Hyundai Ioniq?

When the cruise control in your 2017 Hyundai Ioniq stops functioning, it can be frustrating, but understanding the common problems can help you troubleshoot effectively. One of the primary culprits is a faulty brake pedal switch, which can disrupt the system's ability to engage or disengage properly. Additionally, issues with the speed sensor may lead to incorrect speed readings, causing the cruise control to malfunction. A blown fuse is another simple yet often overlooked issue that can prevent the cruise control from operating. Furthermore, if there are problems with the throttle control system, it may hinder the cruise control from maintaining the desired speed. Lastly, any underlying electrical problems, such as damaged wiring or a malfunctioning control module, can significantly impact the cruise control's performance. By identifying these potential issues, you can take the first steps toward diagnosing the problem and determining whether a DIY fix is feasible or if professional assistance is necessary.

How urgent is it to address the malfunctioning cruise control in my 2017 Hyundai Ioniq?

When it comes to the malfunctioning cruise control in your 2017 Hyundai Ioniq, the urgency of addressing the issue cannot be overstated. A malfunctioning system can lead to unexpected acceleration or deceleration, creating hazardous driving conditions that could result in accidents. Moreover, such issues may signal deeper problems within your vehicle's electronic systems or sensors, which can compromise overall performance and safety. Ignoring these symptoms not only risks your safety but can also lead to increased fuel consumption and potential damage to other vehicle components, ultimately resulting in higher repair costs. Therefore, it is crucial to diagnose and repair cruise control malfunctions promptly to ensure your safety on the road and maintain the integrity of your vehicle.

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.