2019 Kia K900 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2019 Kia K900 and How to Fix Them

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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 2019 Kia K900 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 K900 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 2019 Kia K900?

When diagnosing a cruise control issue in a 2019 Kia K900, it's essential to adopt a systematic approach that begins with the simplest solutions before progressing to more complex diagnostics. Start by checking the cruise control fuse, as a blown or damaged fuse can easily disrupt the system's functionality. Next, inspect the cruise control buttons on the steering wheel to ensure they are not stuck or damaged, as this can prevent proper engagement. Utilizing a diagnostic scanner to check for error codes can provide valuable insights into any underlying issues within the vehicle's onboard computer. Additionally, examining the speed sensors is crucial, as they play a vital role in the cruise control system's operation. Testing the brake pedal switch is another important step, since a malfunctioning switch can inhibit the cruise control from activating. Finally, inspect the wiring connections related to the cruise control system for any signs of damage or loose connections. If these steps do not resolve the issue, consulting a professional mechanic with expertise in Kia vehicles is recommended for a thorough diagnosis and repair. By following this structured diagnostic approach, you can effectively identify and address cruise control problems in your Kia K900.

What are the common problems that could cause the cruise control to stop working in a 2019 Kia K900?

When troubleshooting the cruise control system in a 2019 Kia K900, it's essential to understand the common problems that may lead to its failure. One prevalent issue is a faulty speed sensor, which can hinder the system's ability to accurately gauge the vehicle's speed, preventing it from engaging or maintaining the desired speed. Additionally, the brake light switch plays a crucial role; if it malfunctions, it may incorrectly signal the cruise control to deactivate when the brakes are applied. Another potential culprit is a blown fuse, which can disrupt the electrical flow necessary for the cruise control to operate. Furthermore, problems with the throttle control, such as a defective throttle position sensor, can impede the system's functionality, making it difficult to maintain speed. Lastly, issues with the Electronic Control Module (ECM) can also affect the cruise control, as this component manages various vehicle functions, including the cruise system. By identifying these common problems, DIY enthusiasts can better diagnose and address the issues affecting their Kia K900's cruise control.

How urgent is it to address the malfunctioning cruise control in a 2019 Kia K900?

Addressing a malfunctioning cruise control in a 2019 Kia K900 is of utmost importance due to the significant safety risks it poses. A malfunction can lead to unexpected acceleration or deceleration, which can create dangerous driving conditions not only for the driver but also for passengers and other road users. Furthermore, a faulty cruise control system detracts from the overall driving experience, making long trips less convenient and more stressful. Ignoring these symptoms can lead to further complications, including additional wear and tear on the vehicle's components, which may result in more extensive and costly repairs down the line. Therefore, it is crucial to prioritize the repair of the cruise control system to ensure safety and maintain the vehicle's performance.

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2019 Kia K900 Cruise Control Not Working: Causes & Solutions