2021 Kia Stinger Cruise Control Isn't Working

Fixing cruise control issues in the 2021 Kia Stinger

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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 2021 Kia Stinger 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 2021 Kia Stinger 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 steps should I take to diagnose the cruise control issue in my 2021 Kia Stinger?

To effectively diagnose the cruise control issue in your 2021 Kia Stinger, begin with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by inspecting the cruise control fuse located in the fuse box, as a blown fuse is a common and easily fixable problem that can disrupt the system's functionality. Next, examine the cruise control buttons on your steering wheel to ensure they are operational; sometimes, a simple malfunction here can prevent the system from engaging. Following this, verify the speed sensors, as faulty sensors can significantly impact cruise control performance. Additionally, check the brake lights, since malfunctioning lights can inadvertently disable the cruise control system. If these initial checks do not reveal the issue, utilize an OBD-II scanner to identify any error codes that may provide insight into the problem. Should these steps fail to resolve the issue, it may be necessary to consult a professional mechanic or visit a dealership for a comprehensive diagnosis and repair. By following this structured diagnostic approach, you can efficiently identify and address the cruise control issue in your Kia Stinger.

What are the common problems that could cause the cruise control to stop working in a 2021 Kia Stinger?

When troubleshooting cruise control issues in a 2021 Kia Stinger, it's essential to understand the common problems that may be at play. One frequent culprit is a faulty brake light switch, which can prevent the cruise control from engaging since it is designed to deactivate when the brake pedal is pressed. Additionally, issues with the speed sensor can disrupt the system's ability to maintain a constant speed, leading to functionality problems. A blown fuse in the cruise control circuit can also halt its operation entirely, making it a straightforward fix to check. Furthermore, if the throttle control system is malfunctioning, particularly due to a faulty throttle position sensor, it can hinder the cruise control's performance. Lastly, problems with the Electronic Control Module (ECM), which oversees various vehicle functions including cruise control, can result in failure. By systematically examining these areas, you can effectively diagnose and potentially resolve the cruise control issues in your Kia Stinger.

How urgent is it to address the malfunctioning cruise control in a 2021 Kia Stinger?

When dealing with a malfunctioning cruise control in a 2021 Kia Stinger, the urgency of addressing the issue cannot be overstated. Cruise control is designed to enhance driving comfort by maintaining a consistent speed, which is particularly beneficial during long journeys. However, if this system fails, it can lead to unpredictable speed changes, posing significant safety risks not only to the driver but also to other road users. Ignoring symptoms of a malfunction can result in more severe problems down the line, potentially leading to costly repairs or even accidents. Therefore, it is crucial to act promptly by consulting a certified Kia service center or a qualified mechanic to diagnose and rectify the issue. Ensuring that your cruise control system functions correctly is essential for a safe and enjoyable driving experience, making it imperative to prioritize this repair.

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