2025 Genesis G90 Cruise Control Isn't Working

Fixing 2025 Genesis G90 Cruise Control Issues for Restored Functionality

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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 2025 Genesis G90 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.

What steps should I take to diagnose the non-functioning cruise control in my 2025 Genesis G90?

To effectively diagnose the non-functioning cruise control in your 2025 Genesis G90, begin with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by inspecting the cruise control fuse in the fuse box, as a blown fuse is a common and easily fixable issue that can halt functionality. Next, examine the cruise control buttons on the steering wheel for any signs of damage or sticking, as these can prevent the system from engaging. Following this, verify the operation of the speed sensor, which is essential for maintaining a consistent speed; a malfunctioning sensor can disrupt cruise control performance. Additionally, check the brake pedal switch, which is designed to disengage the cruise control when the brakes are applied; if this switch is faulty, it may inadvertently disable the system. If these initial checks do not resolve the issue, use a diagnostic scanner to identify any error codes that may provide insight into the problem. Lastly, inspect the cruise control module for any signs of damage, as a malfunctioning module can be the root cause of the failure. If you are still unable to identify the issue after these steps, consulting a professional mechanic with expertise in automotive electronics may be necessary to ensure a thorough diagnosis and repair.

What are the common problems that could cause the cruise control to stop working in a 2025 Genesis G90?

When the cruise control in your 2025 Genesis G90 ceases to function, it can be frustrating, but understanding the common problems can help you diagnose the issue effectively. One of the primary culprits is faulty speed sensors, which are essential for the cruise control system to accurately gauge your vehicle's speed. If these sensors are malfunctioning, the system may not engage properly. Another frequent issue is a malfunctioning brake light switch; this component is crucial because it signals the cruise control to deactivate when the brakes are applied. If the switch is defective, it can prevent the cruise control from working altogether. Additionally, a blown fuse can disrupt the entire cruise control system, making it necessary to check and replace any damaged fuses. Problems with the throttle control system can also hinder the cruise control's ability to maintain a steady speed, leading to operational failures. Lastly, issues with the electronic control module, which oversees various vehicle functions, can significantly impact 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 a 2025 Genesis G90?

Addressing a malfunctioning cruise control in a 2025 Genesis G90 is not just a matter of convenience; it is a critical safety concern that demands immediate attention. When cruise control fails, it can lead to erratic vehicle behavior, such as unexpected acceleration or deceleration, which significantly increases the risk of accidents. Moreover, a malfunctioning system can distract the driver, forcing them to constantly monitor and adjust their speed manually, which detracts from their focus on the road and can lead to fatigue. Additionally, neglecting this issue can result in higher fuel consumption and may cause further damage to the vehicle's engine or transmission over time. Therefore, it is essential to prioritize the repair of the cruise control system to ensure both the safety of the driver and passengers and the overall health of the vehicle.

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