2019 Genesis G70 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2019 Genesis G70 and How to Fix Them

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Reviewed by
Andrew Hajjar
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 2019 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 2019 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 are the initial diagnostic steps to troubleshoot the non-functioning cruise control in a 2019 Genesis G70?

When troubleshooting the non-functioning cruise control in a 2019 Genesis G70, it's essential to adopt a systematic diagnostic approach that begins with the simplest checks before moving on to more complex issues. Start by inspecting the cruise control fuse located in the vehicle's fuse box, as a blown fuse can easily disrupt the system's functionality. Next, examine the cruise control buttons on the steering wheel to ensure they are not stuck or damaged, as this can prevent engagement. It's also crucial to verify that the vehicle speed sensor is operational, as it provides necessary data for the cruise control to function correctly. Utilizing a diagnostic scanner can help identify any error codes related to the cruise control system, offering insights into potential malfunctions. Additionally, check the brake lights, since a faulty brake light switch can inhibit cruise control activation. Lastly, inspect the throttle position sensor and the cruise control module for any signs of damage or malfunction. By following this structured approach, you can effectively diagnose 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 2019 Genesis G70?

When dealing with cruise control issues in a 2019 Genesis G70, it's important to understand the common problems that could be at play. One frequent culprit is a faulty speed sensor, which can disrupt the system's ability to maintain the desired speed. Additionally, the brake light switch plays a crucial role; if it malfunctions, it may inadvertently disengage the cruise control when the brakes are not applied. Another potential issue is a blown fuse, which can completely disable the cruise control system. Throttle control 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, can lead to system failures. By identifying these common issues, DIYers can better diagnose and address the cruise control malfunction in their vehicle.

How urgent is it to address the malfunctioning cruise control in a 2019 Genesis G70?

Addressing a malfunctioning cruise control in a 2019 Genesis G70 is of utmost importance due to the significant safety risks it poses. A faulty system can lead to unexpected acceleration or deceleration, increasing the likelihood of accidents and creating unsafe driving conditions. Moreover, such issues may signal deeper problems within the vehicle's electronic systems or sensors, which could compromise overall performance and safety. Ignoring these symptoms not only jeopardizes your safety but can also lead to increased fuel consumption and accelerated wear on vehicle components, resulting in costly repairs down the line. Therefore, it is crucial to prioritize the repair of your cruise control system to ensure a safe and efficient driving experience.

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