2021 Kia Niro Cruise Control Isn't Working

Fixing Cruise Control Issues in Your 2021 Kia Niro

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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 2021 Kia Niro 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 Niro 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 non-functioning cruise control in my 2021 Kia Niro?

To effectively diagnose the non-functioning cruise control in your 2021 Kia Niro, begin with a systematic approach that prioritizes simpler solutions before delving into more complex diagnostics. Start by checking the cruise control fuse in the fuse box, as a blown fuse is a common and easily fixable issue. Next, inspect 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 functionality of the speed sensor, since a malfunction here can disrupt the cruise control operation. Utilizing an OBD-II scanner to check for error codes can provide valuable insights into any underlying issues. Additionally, ensure that the brake and clutch switches are functioning correctly, as these are designed to disengage the cruise control when activated. Finally, inspect the wiring and connections for any loose or damaged components that could affect the system's performance. If these steps do not resolve the issue, consulting a professional mechanic may be necessary for a thorough diagnosis and repair. By following this structured approach, you can efficiently identify and address the problem with your cruise control system.

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

When troubleshooting the cruise control system in a 2021 Kia Niro, it's essential to understand the common problems that may lead to its failure. One of the primary culprits is a faulty brake light switch, which can prevent the cruise control from engaging since the system is designed to disengage when the brake pedal is pressed. Additionally, issues with the speed sensor can disrupt the cruise control's functionality, as it relies on accurate speed readings to maintain the desired pace. A blown fuse within the cruise control circuit can also halt its operation, making it crucial to check and replace any damaged fuses. Furthermore, a malfunction in the throttle control system can affect the cruise control's ability to sustain a consistent speed. Lastly, problems with the Electronic Control Module (ECM), which oversees various vehicle functions including cruise control, can lead to operational issues. By identifying and addressing these common problems, you can effectively troubleshoot and potentially resolve the cruise control issues in your Kia Niro.

How urgent is it to address the malfunctioning cruise control in my 2021 Kia Niro?

Addressing a malfunctioning cruise control in your 2021 Kia Niro is of utmost importance due to the safety risks it poses. A faulty system can lead to unexpected acceleration or deceleration, which can create dangerous driving conditions and increase the likelihood of accidents. Additionally, a malfunctioning cruise control can detract from the overall driving experience, making long trips less enjoyable and more stressful. Ignoring these issues not only compromises your safety but can also lead to increased fuel consumption, as inconsistent speed control can cause your vehicle to work harder than necessary. Moreover, early intervention can prevent more extensive and costly repairs down the line, saving you both time and money. Therefore, it is crucial to prioritize the repair of your cruise control system to ensure a safe and efficient driving experience.

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2021 Kia Niro Cruise Control Issues & Repair Costs