2020 Kia Sorento Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2020 Kia Sorento 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 2020 Kia Sorento 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 Sorento 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.

When the vehicle speed sensor fails or the wiring harness prevents signal transmission, the speedometer is the first thing that will stop functioning properly. This can be an intermittent issue where the speedometer only works occasionally, the speedometer may cease all function, or the speedometer may read erratically or incorrectly. Also, the traction control and anti lock brake warning lights specific to each vehicle may be illuminated, depending on the design of those systems. You may notice the vehicle hesitate to accelerate, cruise control will not function properly, and the vehicle may not shift properly through all of the gears.

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 steps should I take to diagnose the non-functioning cruise control in my 2020 Kia Sorento?

To effectively diagnose the non-functioning cruise control in your 2020 Kia Sorento, begin with a systematic approach that prioritizes simpler checks before moving on to more complex diagnostics. Start by inspecting the cruise control fuse located in the fuse box; a blown fuse is an easy fix that can restore 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 properly. Following this, verify the operation of the speed sensor, which is essential for cruise control to function; testing it may require professional assistance if you're unsure. Additionally, check the brake pedal switch, as a malfunction here can inadvertently disengage the cruise control. If these initial checks do not resolve the issue, utilize an OBD-II scanner to identify any error codes that may indicate deeper problems within the system. Should these steps not yield results, consulting a professional mechanic is advisable for a comprehensive diagnosis and repair. By following this structured approach, you can efficiently identify and address the issue with your cruise control system.

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

When troubleshooting the cruise control system in a 2020 Kia Sorento, it's essential to understand the common problems that may lead to its failure. One of the primary culprits is a faulty brake pedal switch, which is crucial for disengaging the cruise control when the brake is applied. If this switch malfunctions, it can prevent the system from engaging properly. Additionally, issues with the speed sensor can disrupt the cruise control's functionality, as the system relies on accurate speed readings to maintain the desired speed. Another potential issue is a blown fuse within the cruise control system, which can completely disable its operation. Furthermore, a faulty cruise control module may require repair or replacement to restore functionality. Lastly, electrical issues, such as wiring problems or a weak battery, can also affect the cruise control's performance. By identifying and addressing these common problems, you can effectively troubleshoot and potentially resolve the cruise control issues in your Kia Sorento.

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

Addressing a malfunctioning cruise control in a 2020 Kia Sorento is of utmost importance due to the significant safety risks it poses. A faulty system can lead to unexpected acceleration or deceleration, which can result in dangerous driving conditions and increase the likelihood of accidents. Moreover, neglecting this issue can lead to higher fuel consumption, as the vehicle may not maintain optimal speed efficiently. Additionally, a malfunctioning cruise control could indicate underlying mechanical or electrical problems that, if left unaddressed, may escalate into more severe and costly repairs. Therefore, it is crucial for DIY enthusiasts to prioritize diagnosing and fixing cruise control issues promptly, ensuring not only their safety but also the overall performance and longevity of their vehicle.

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