2020 Kia Sedona Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2020 Kia Sedona and How to Fix Them

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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 2020 Kia Sedona 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 Kia Sedona 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.

What are the steps to diagnose the cruise control issue in a 2020 Kia Sedona?

When diagnosing a cruise control issue in a 2020 Kia Sedona, it's crucial to follow a methodical diagnostic approach that prioritizes simpler checks before moving on to more complex assessments. Begin by inspecting the cruise control fuse located in the 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 hinder proper operation. Following this, check the speed sensors, which are essential for the cruise control system to function correctly. Utilizing a diagnostic scanner to identify any error codes can reveal hidden issues that may not be immediately apparent. If these preliminary checks do not resolve the problem, proceed to test the cruise control module to ensure it is sending the appropriate signals. Additionally, inspect the wiring and connections for any signs of damage or corrosion that could impair performance. Should the issue persist after these steps, it may be wise to consult a professional mechanic experienced with Kia vehicles for a comprehensive diagnosis and repair. By adhering to this structured approach, you can effectively troubleshoot and potentially resolve cruise control issues in your Kia Sedona.

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

When the cruise control in your 2020 Kia Sedona stops functioning, it can be frustrating, but understanding the common problems can help you diagnose the issue effectively. One of the first things to check is the brake pedal switch, as a faulty switch can prevent the cruise control from engaging, since it is designed to disengage when the brake is pressed. Additionally, issues with the speed sensor can disrupt the system's ability to maintain a consistent speed, so inspecting this component is crucial. A blown fuse in the cruise control circuit can also be a simple fix; checking the fuse box for any blown fuses and replacing them can restore functionality. Furthermore, if there are problems with the throttle control system, it may hinder the cruise control's ability to maintain speed, so ensure that this system is functioning properly. Lastly, the Electronic Control Module (ECM) plays a vital role in managing the cruise control system, and any issues here could lead to failure. By systematically checking these components, you can effectively troubleshoot and potentially resolve the cruise control issues in your Kia Sedona.

How urgent is it to address the malfunctioning cruise control in a 2020 Kia Sedona?

Addressing a malfunctioning cruise control in a 2020 Kia Sedona is of utmost importance due to the safety risks it poses. A malfunction can lead to unexpected acceleration or deceleration, creating hazardous driving conditions that could endanger both the driver and other road users. Additionally, neglecting this issue can diminish the overall driving experience, as the convenience of cruise control is compromised. Furthermore, unresolved cruise control problems may lead to inconsistent speed management, resulting in increased fuel consumption and unnecessary expenses at the pump. By addressing the malfunction promptly, you not only enhance your vehicle's performance but also prevent potential damage to its systems, ultimately saving on costly repairs in the future. Therefore, it is crucial to prioritize the resolution of cruise control issues to ensure safe and efficient driving.

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