2019 Kia Cadenza Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2019 Kia Cadenza and How to Fix Them

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Reviewed by
Aisha
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 Kia Cadenza 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 Kia Cadenza 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 steps to diagnose the non-functioning cruise control in a 2019 Kia Cadenza?

To effectively diagnose the non-functioning cruise control in your 2019 Kia Cadenza, begin with the simplest checks to avoid unnecessary complications. Start by inspecting the cruise control fuse located in the fuse box, as a blown fuse is a common and easily fixable issue. Next, examine the cruise control buttons on the steering wheel to ensure they are operational, as malfunctioning buttons can hinder functionality. Following this, verify the speed sensors, which play a crucial role in the system's operation; faulty sensors can lead to significant issues. Additionally, check the brake pedal switch, since the cruise control disengages when the brake is applied, and a malfunction here can prevent the system from engaging. If these initial checks do not resolve the problem, use a diagnostic scanner to identify any error codes that may indicate specific faults within the cruise control system. Finally, inspect the wiring and connections for any signs of damage or looseness, as these can disrupt communication between components. By systematically following these steps, you can efficiently diagnose and potentially resolve the cruise control issue in your Kia Cadenza.

What are the common problems that could cause the cruise control to stop working in a 2019 Kia Cadenza?

When troubleshooting cruise control issues in a 2019 Kia Cadenza, it's essential to understand the common problems that may be at play. One frequent culprit is a faulty brake pedal switch, which is designed to disengage the cruise control when the brake is applied; if this switch malfunctions, it can prevent the system from engaging. Additionally, speed sensor issues can disrupt the cruise control's ability to maintain a steady speed, as the system relies on accurate speed readings to function correctly. Another potential problem is a blown fuse within the cruise control system, which can easily be checked and replaced if necessary. Furthermore, a malfunction in the throttle control system can hinder the cruise control's performance, as it needs to adjust the throttle to maintain the desired speed. Lastly, issues with the Electronic Control Module (ECM) can also lead to cruise control failure, as this component manages various vehicle functions, including cruise control. By systematically addressing these common issues, you can effectively troubleshoot and potentially restore the cruise control functionality in your Kia Cadenza.

How urgent is it to address the malfunctioning cruise control in a 2019 Kia Cadenza?

When it comes to a malfunctioning cruise control system in a 2019 Kia Cadenza, the urgency of addressing the issue cannot be overstated. A faulty cruise control can lead to unpredictable vehicle behavior, such as sudden acceleration or deceleration, which significantly increases the risk of accidents on the road. This unpredictability not only endangers the driver and passengers but also poses a threat to other road users. Moreover, neglecting to fix the cruise control can exacerbate the problem, potentially leading to more extensive damage to the vehicle's electronic systems, which could result in costly repairs down the line. Therefore, it is essential to prioritize the inspection and repair of the cruise control system by a qualified mechanic or authorized service center. Taking swift action not only ensures the safety of everyone on the road but also helps maintain the overall integrity and functionality of your vehicle.

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