2025 Hyundai Sonata Cruise Control Isn't Working

Troubleshooting Common Issues with the 2025 Hyundai Sonata's Cruise Control and How to Fix Them

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Reviewed by
Bo Fader
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 2025 Hyundai Sonata 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.

What steps should I take to diagnose the non-functioning cruise control in my 2025 Hyundai Sonata?

To effectively diagnose the non-functioning cruise control in your 2025 Hyundai Sonata, begin with the simplest checks to avoid unnecessary complications. Start by inspecting the cruise control fuse located in the fuse box; a blown fuse is a common culprit that can easily be replaced. Next, examine the cruise control buttons on your steering wheel for any signs of damage or sticking, as these can hinder the system's engagement. Following this, verify the functionality of the speed sensor, which is essential for maintaining a constant speed; if it’s malfunctioning, the cruise control will not operate correctly. Additionally, check the brake pedal switch, as this component is designed to disengage the cruise control when the brakes are applied; a faulty switch can prevent the system from activating. Don’t forget to inspect the throttle cable for wear or damage, as issues here can also impact cruise control performance. If these initial checks do not resolve the issue, consider using an OBD-II scanner to identify any error codes that may provide further insight into the problem. Should you still be unable to diagnose the issue, it may be time to consult a professional mechanic or an authorized Hyundai service center for a comprehensive evaluation. By following this structured approach, you can systematically identify and address the root cause of your cruise control malfunction.

What are the common problems that could cause the cruise control to malfunction in a 2025 Hyundai Sonata?

When diagnosing cruise control malfunctions in a 2025 Hyundai Sonata, it's essential to consider several common problems that could be affecting the system. Start by checking for electrical issues, as a blown fuse or a faulty cruise control switch can disrupt functionality. Next, inspect the speed sensor, which is crucial for maintaining a constant speed; any faults here can lead to erratic behavior. Additionally, the brake light switch plays a vital role in cruise control operation; if it's malfunctioning, it may prevent the system from engaging or cause it to disengage unexpectedly. Throttle control problems can also impact the cruise control's performance, so ensure that this system is functioning correctly. Lastly, don't overlook the possibility of software glitches within the vehicle's computer system, which can lead to unexpected cruise control behavior. By systematically addressing these areas, you can effectively troubleshoot and potentially resolve cruise control issues in your Sonata.

How urgent is it to address the malfunctioning cruise control in a 2025 Hyundai Sonata?

Addressing a malfunctioning cruise control in a 2025 Hyundai Sonata is of utmost urgency due to the significant safety risks it poses. A faulty system can lead to unexpected acceleration or deceleration, which can result in dangerous driving situations. Moreover, when drivers are forced to manually adjust their speed, it can lead to increased fatigue and distraction, ultimately impairing their focus on the road. This not only heightens the risk of accidents but can also lead to inefficient fuel consumption and potential damage to the vehicle's engine or transmission over time. Therefore, it is crucial for owners to prioritize the repair of their cruise control system to ensure their safety, maintain vehicle efficiency, and prevent costly repairs in the future.

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