2019 Kia Forte Cruise Control Isn't Working

Troubleshooting Common Issues with Cruise Control in Your 2019 Kia Forte and How to Fix Them

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Reviewed by
Bo Fader
Written by RepairPal Car Genius
Updated January 14, 2025
0%
30% chance it's the
Sensor
0%
25% chance it's the
Control Module
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25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a 2019 Kia Forte 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 Forte 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 are the steps to diagnose the cruise control issue in a 2019 Kia Forte?

To effectively diagnose a cruise control issue in a 2019 Kia Forte, it's essential to adopt a systematic approach that begins with the simplest checks before progressing to more complex diagnostics. Start by inspecting the cruise control fuse to ensure it is intact, as a blown fuse can easily disrupt the system's functionality. Next, examine the cruise control buttons on the steering wheel for any signs of damage or sticking, as these controls are crucial for operation. Utilizing an OBD-II scanner can provide valuable insights by revealing any error codes that may indicate specific problems within the cruise control system. Additionally, checking the speed sensors is vital, as they directly influence the cruise control's ability to maintain speed. The brake pedal switch should also be tested, since it plays a critical role in disengaging the cruise control when the brakes are applied. Lastly, inspect the wiring connections for any loose or damaged wires that could be causing the malfunction. If these steps do not resolve the issue, seeking assistance from a professional mechanic with experience in Kia vehicles is recommended for a comprehensive diagnosis and repair. This methodical approach not only helps in identifying the problem efficiently but also ensures that you cover all potential causes systematically.

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

When troubleshooting cruise control issues in a 2019 Kia Forte, 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 designed to disengage the cruise control when the brake is applied; if this switch malfunctions, it can prevent the system from engaging. Additionally, a malfunctioning speed sensor can disrupt the cruise control's ability to maintain a set speed, rendering it ineffective. Another potential issue is a blown fuse within the vehicle's electrical system, which can easily be checked and replaced if necessary. Problems with the throttle control system, such as a faulty throttle position sensor or issues with the throttle body, can also impact cruise control performance. Lastly, if the Electronic Control Module (ECM) is experiencing issues, it may affect various vehicle functions, including cruise control. By identifying and addressing these common problems, drivers can effectively troubleshoot and restore their cruise control system to full functionality.

How urgent is it to address the malfunctioning cruise control in my 2019 Kia Forte?

When it comes to the malfunctioning cruise control in your 2019 Kia Forte, the urgency of addressing this issue cannot be overstated. A malfunctioning system can lead to unpredictable vehicle behavior, such as sudden acceleration or deceleration, which poses a significant safety risk not only to you but also to other road users. Additionally, cruise control problems may signal deeper issues within your vehicle's electronic systems or sensors, potentially compromising overall performance and safety. Ignoring these symptoms can lead to increased fuel consumption and may cause further damage to other components, resulting in more costly repairs down the line. Therefore, it is crucial to have the malfunction diagnosed and repaired by a qualified mechanic as soon as possible. Taking prompt action not only ensures your safety but also helps maintain the integrity and efficiency of your vehicle, ultimately saving you time and money in the long run.

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