2017 Genesis G80 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2017 Genesis G80 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 2017 Genesis G80 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 Genesis G80 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 initial diagnostic steps to troubleshoot the non-functioning cruise control in a 2017 Genesis G80?

When troubleshooting the non-functioning cruise control in a 2017 Genesis G80, it's essential to adopt a systematic diagnostic approach that begins with the simplest solutions before progressing to more complex issues. Start by checking the cruise control fuse, as a blown fuse can easily disrupt the system's operation. Next, inspect the cruise control buttons on the steering wheel to ensure they are responsive and not stuck, as this can also hinder functionality. It's crucial to verify that the vehicle's speed sensor is operational, since the cruise control relies on accurate speed readings to maintain set speeds. Utilizing a diagnostic scanner to check for error codes can provide valuable insights into any underlying issues affecting the cruise control system. Additionally, ensure that the brake lights are functioning correctly, as a faulty brake light switch can prevent the cruise control from engaging. Finally, inspect the wiring and connections associated with the cruise control system for any signs of damage or corrosion. By following these steps, you can effectively diagnose and potentially resolve the cruise control issue in your Genesis G80, paving the way for a smoother driving experience. If problems persist, seeking professional assistance may be necessary.

What are the common problems that could cause the cruise control to stop working in a 2017 Genesis G80?

When dealing with cruise control issues in a 2017 Genesis G80, it's essential to understand the common problems that may arise. One frequent culprit is a faulty speed sensor, which can disrupt the system's ability to maintain the desired speed. Additionally, a malfunctioning brake light switch can lead to unexpected disengagement of the cruise control when the brake pedal is pressed, creating a frustrating driving experience. Another potential issue is a blown fuse within the cruise control system, which can completely disable its functionality. Problems with the throttle control system, particularly a faulty throttle position sensor, can also hinder the cruise control's performance. Lastly, various electrical issues, including faulty wiring or connections, can prevent the cruise control from operating correctly. If you encounter any of these problems, it is advisable to conduct a thorough inspection or consult a qualified mechanic to accurately diagnose and resolve the issue.

How urgent is it to repair the non-functioning cruise control on a 2017 Genesis G80?

When it comes to the non-functioning cruise control on a 2017 Genesis G80, the urgency of repair cannot be overstated. A malfunctioning cruise control system not only diminishes the convenience of maintaining a steady speed during long drives but also raises significant safety concerns. If the system is faulty, it may lead to erratic vehicle behavior, such as unexpected acceleration or deceleration, which can jeopardize your control over the car and increase the risk of accidents. Moreover, the underlying issues causing the cruise control failure could potentially affect other critical electronic systems in your vehicle, leading to more extensive and costly repairs if left unaddressed. Therefore, for those considering a DIY approach, it is crucial to diagnose the problem promptly, as timely intervention can prevent further complications and ensure a safer driving experience. If you're not confident in your ability to troubleshoot the issue, seeking assistance from a qualified mechanic or authorized service center is highly recommended to ensure the problem is resolved effectively.

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