2020 Genesis G70 Cruise Control Isn't Working

Fixing Cruise Control Issues in the 2020 Genesis G70

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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 2020 Genesis G70 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 2020 Genesis G70 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 2020 Genesis G70?

To effectively diagnose the non-functioning cruise control in your 2020 Genesis G70, begin with the simplest solutions before progressing to more complex diagnostics. Start 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 for any damage or debris that may be causing them to stick. If these components are functioning properly, move on to verifying the speed sensor, as a malfunction here can disrupt the cruise control system. Utilizing an OBD-II scanner to check for error codes can provide valuable insights into any underlying issues. Additionally, ensure that the brake and clutch switches are operational, as faulty switches can prevent the cruise control from engaging. Finally, examine the wiring and connections associated with the cruise control system for any signs of damage or loose connections. If these steps do not resolve the problem, it may be time to consult a professional mechanic for further assistance. By following this structured approach, you can systematically identify and address the issues affecting your cruise control system.

What are the common problems that could cause the cruise control to stop working in a 2020 Genesis G70?

When troubleshooting cruise control issues in a 2020 Genesis G70, it's essential to understand the common problems that may lead to its malfunction. 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 interfere with cruise control operation, as this switch is designed to deactivate the system when the brakes are engaged. Another potential issue is a blown fuse, which can cut power to the cruise control system entirely. Throttle-related problems, such as a stuck throttle or issues with the throttle position sensor, can also hinder functionality. Lastly, electrical problems, including faulty wiring or connections, may prevent the cruise control from operating correctly. By identifying and addressing these issues, you can effectively restore the cruise control functionality in your vehicle.

How urgent is it to address the malfunctioning cruise control in a 2020 Genesis G70?

Addressing a malfunctioning cruise control in your 2020 Genesis G70 is not just a matter of convenience; it is a critical safety concern that requires immediate attention. A malfunction can lead to unexpected acceleration or deceleration, significantly increasing the risk of accidents on the road. Moreover, a faulty cruise control system can detract from your driving experience, causing discomfort and frustration during long trips. Ignoring these symptoms can also lead to more severe issues within the vehicle's systems, potentially resulting in expensive repairs down the line. Therefore, it is essential to prioritize the resolution of cruise control problems to ensure both your safety and the longevity of your vehicle.

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