2021 Genesis GV80 Cruise Control Isn't Working

Fixing Cruise Control Issues in the 2021 Genesis GV80

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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 2021 Genesis GV80 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 2021 Genesis GV80 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 2021 Genesis GV80?

To effectively diagnose the non-functioning cruise control in your 2021 Genesis GV80, begin with the simplest solutions and progressively tackle more complex issues. Start by checking the cruise control fuse in the fuse box; a blown fuse is an easy fix that can restore functionality. Next, inspect the cruise control buttons on your steering wheel for any signs of damage or obstruction, as dirty or stuck buttons can hinder operation. Following this, verify the speed sensor, which is crucial for the cruise control system's performance; ensure it is clean and functioning correctly. Utilizing an OBD-II scanner to check for error codes can provide valuable insights into any underlying issues. Additionally, examine the brake and clutch switches, as faulty switches can prevent the cruise control from engaging. Don’t forget to inspect the wiring connections related to the cruise control system for any loose or damaged wires. If all these steps do not resolve the issue, the problem may lie within the cruise control module itself, which may require professional testing or replacement. By systematically following these steps, you can effectively 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 2021 Genesis GV80?

When the cruise control in a 2021 Genesis GV80 ceases to function, several common problems may be at play. One of the primary culprits is a faulty speed sensor, which is crucial for the cruise control system to accurately gauge the vehicle's speed. If this sensor malfunctions, the system may fail to engage or maintain the desired speed. Additionally, issues with the brake light switch can lead to unexpected disengagement of the cruise control when the brake pedal is pressed, creating further frustration for drivers. Another potential issue lies within the throttle control system; a malfunctioning throttle position sensor can disrupt the cruise control's ability to sustain a constant speed. Electrical problems, such as blown fuses or wiring issues, can also interfere with the cruise control's operation, while software glitches in the vehicle's onboard computer may introduce bugs that affect functionality. For those looking to troubleshoot these issues themselves, it is essential to systematically check each of these components to identify the root cause of the malfunction before seeking professional assistance.

How urgent is it to address the malfunctioning cruise control in a 2021 Genesis GV80?

Addressing a malfunctioning cruise control in a 2021 Genesis GV80 is of utmost urgency due to the significant safety risks it poses. A malfunction can lead to unexpected acceleration or deceleration, which can result in dangerous driving situations and increase the likelihood of accidents. Moreover, neglecting this issue may not only compromise your safety but could also lead to more severe damage to the vehicle's systems, resulting in costly repairs down the line. By taking immediate action to resolve the cruise control malfunction, you not only enhance your driving experience but also ensure the reliability and efficiency of your vehicle. Therefore, it is crucial to prioritize this repair to maintain both safety and vehicle performance.

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2021 Genesis GV80 Cruise Control Issues & Repair Costs