2019 Hyundai Accent Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2019 Hyundai Accent 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 2019 Hyundai Accent 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 Accent 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.

What are the steps to diagnose the non-functioning cruise control in a 2019 Hyundai Accent?

To effectively diagnose the non-functioning cruise control in your 2019 Hyundai Accent, begin with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by inspecting the cruise control fuse, 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 to ensure they are responsive and not stuck, as malfunctioning buttons can disrupt functionality. Following this, verify the speed sensor's operation, since it is essential for the cruise control to engage properly; a faulty sensor can prevent activation. Additionally, check the brake pedal switch, which is designed to disengage the cruise control when the brake is applied; if this switch is malfunctioning, it may falsely signal that the brakes are engaged. Utilizing a diagnostic scanner to check for error codes can provide insights into any underlying issues affecting the cruise control system. Finally, inspect the wiring and connections for any signs of damage or corrosion, as compromised wiring can lead to system failures. By following this structured diagnostic approach, you can efficiently identify and address the root cause of your cruise control issues.

What are the common issues that could cause the cruise control to stop working in a 2019 Hyundai Accent?

When the cruise control in your 2019 Hyundai Accent ceases to function, it can be frustrating, but understanding the common issues can help you troubleshoot effectively. One of the primary culprits 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. Another potential issue is related to the speed sensor; if this component fails, the cruise control may struggle to maintain a consistent speed, leading to erratic behavior or complete failure. Additionally, a blown fuse can disrupt the entire cruise control system, so checking the fuses is a good first step in your diagnosis. If these components are functioning correctly, consider the cruise control module itself, as a malfunction here can also impede operation. Lastly, don’t overlook the possibility of electrical issues, such as damaged wiring or poor connections, which can significantly affect the system's performance. By systematically checking these areas, you can identify and resolve the issues affecting your cruise control, restoring its functionality and enhancing your driving experience.

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

When it comes to a malfunctioning cruise control system in a 2019 Hyundai Accent, the urgency of addressing the issue cannot be overstated. A faulty cruise control can lead to unpredictable vehicle behavior, such as sudden acceleration or deceleration, which significantly increases the risk of accidents on the road. For DIY enthusiasts, it’s essential to recognize that neglecting these symptoms not only jeopardizes personal safety but can also result in more extensive damage to the vehicle's systems, leading to costly repairs down the line. Therefore, if you notice any irregularities with your cruise control, it is advisable to conduct a thorough inspection or consult a qualified mechanic. Taking prompt action ensures that your vehicle remains safe to drive and helps maintain its overall functionality, making it a priority for anyone looking to keep their Hyundai Accent in optimal condition.

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