2023 Genesis G80 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2023 Genesis G80 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 2023 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 2023 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 steps should I take to diagnose the non-functioning cruise control in my 2023 Genesis G80?

To effectively diagnose the non-functioning cruise control in your 2023 Genesis G80, start with the simplest solutions before moving on to more complex diagnostics. Begin by checking the cruise control fuse in the fuse box; a blown fuse is an easy fix that can often resolve the issue. Next, inspect the cruise control buttons on your steering wheel to ensure they are operational, as malfunctioning buttons can prevent the system from engaging. If these initial checks do not yield results, verify the speed sensor's functionality, as a faulty sensor can disrupt the cruise control's operation. Additionally, examine the brake pedal switch, which is crucial for cruise control functionality; if this switch is not working correctly, it may inhibit the system. For a more in-depth analysis, use an OBD-II scanner to check for any error codes that could indicate underlying problems. If you still cannot identify the issue after these steps, it may be time to consult a professional mechanic or visit a dealership for a comprehensive inspection. By following this structured approach, you can systematically diagnose and potentially resolve the cruise control issue in your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2023 Genesis G80?

When the cruise control in your 2023 Genesis G80 ceases to function, it can be frustrating, but understanding the common problems can help you diagnose the issue effectively. One frequent culprit is a faulty speed sensor, which is essential for the cruise control system to accurately gauge your vehicle's speed. If this sensor malfunctions, the system may fail to engage or maintain the desired speed. Another potential issue lies with the brake light switch; if this switch is defective, it can inadvertently signal the cruise control to deactivate whenever the brakes are applied, disrupting its operation. Additionally, problems with the throttle control system, such as a malfunctioning throttle position sensor, can hinder the cruise control's ability to sustain a constant speed. Electrical issues, including blown fuses or damaged wiring, can also impact the cruise control's functionality, leading to unexpected failures. Lastly, software glitches within the vehicle's onboard computer can create erratic behavior in the cruise control system. By identifying these common problems, you can take the first steps toward troubleshooting and potentially resolving the issue on your own.

How urgent is it to address the malfunctioning cruise control in my 2023 Genesis G80?

When it comes to the malfunctioning cruise control in your 2023 Genesis G80, the urgency of addressing the issue cannot be overstated. A faulty cruise control system can lead to unpredictable vehicle behavior, such as sudden acceleration or deceleration, which poses a significant safety risk on the road. Moreover, these issues may be symptomatic of deeper electronic or sensor-related problems that could compromise the overall performance of your vehicle. Ignoring these symptoms not only increases the likelihood of accidents but can also result in higher fuel consumption and accelerated wear on critical components, leading to more expensive repairs down the line. Therefore, it is essential to prioritize the inspection and repair of your cruise control system by a qualified mechanic or dealership. Taking prompt action will not only enhance your safety but also ensure the longevity and reliability of your Genesis G80.

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