2023 Kia K5 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2023 Kia K5 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
0%
25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a 2023 Kia K5 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 2023 Kia K5 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 2023 Kia K5?

To effectively diagnose the non-functioning cruise control in your 2023 Kia K5, 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 issue that can halt the system's operation. Next, examine the cruise control buttons on your steering wheel for any signs of damage or sticking, as these can prevent the system from engaging. Following this, verify the functionality of the speed sensor, which is essential for maintaining a constant speed; a malfunctioning sensor can disrupt cruise control performance. Additionally, check the brake pedal switch, which is designed to disengage the cruise control when the brakes are applied; if this switch is faulty, it may inadvertently disable the system. Inspect the throttle cable for any wear or damage, as issues here can also impact cruise control functionality. If these initial checks do not resolve the issue, utilize an OBD-II scanner to identify any error codes that may provide insight into the problem. Should you still be unable to diagnose the issue, consulting a professional mechanic is advisable, as they can conduct a thorough inspection and address any underlying problems. By following this structured diagnostic approach, you can efficiently identify and potentially resolve the issues affecting your cruise control system.

What are the common issues that could cause the cruise control to stop working in a 2023 Kia K5?

When the cruise control in your 2023 Kia K5 ceases to function, there are several common issues you can troubleshoot on your own. Start by checking the brake pedal switch, as a faulty switch can prevent the cruise control from engaging; this switch is designed to disengage the system when the brake is pressed. Next, inspect the speed sensor, which is crucial for maintaining a consistent speed; any malfunction here can disrupt the cruise control's operation. Additionally, a blown fuse related to the cruise control system can lead to a complete failure, so checking the fuses is a simple yet effective step. You should also consider the throttle control system, as any issues here can hinder the cruise control's ability to regulate speed. Lastly, if you suspect more complex problems, the Electronic Control Module (ECM) may be at fault, as it oversees various vehicle functions, including cruise control. By systematically checking these components, you can identify the root cause of the issue and determine whether a DIY fix is possible or if professional assistance is needed.

How urgent is it to address the malfunctioning cruise control in my 2023 Kia K5?

When it comes to the malfunctioning cruise control in your 2023 Kia K5, the urgency to address the issue cannot be overstated. A faulty cruise control system can lead to unpredictable vehicle behavior, such as sudden acceleration or deceleration, which significantly increases the risk of accidents on the road. Ignoring these symptoms not only jeopardizes your safety but also that of other drivers and pedestrians. Moreover, delaying repairs can exacerbate the problem, potentially leading to more extensive and costly damage to your vehicle's systems. Therefore, it is crucial to prioritize the inspection and repair of your cruise control system, ideally by a qualified mechanic or authorized service center, to ensure that your vehicle remains safe and reliable. Taking prompt action will not only enhance your driving experience but also protect your investment in the long run.

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