2023 Hyundai Elantra N Cruise Control Isn't Working

Fixing Cruise Control Issues in the 2023 Hyundai Elantra N

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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 2023 Hyundai Elantra N 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 Hyundai Elantra N 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.

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 2023 Hyundai Elantra N?

To effectively diagnose the non-functioning cruise control in your 2023 Hyundai Elantra N, begin with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by inspecting the cruise control fuse in the fuse box, as a blown fuse is a common and easily fixable issue that can halt cruise control functionality. Next, examine the cruise control buttons on your steering wheel to ensure they are operational, as faulty buttons can prevent engagement. Following this, verify the speed sensor's performance, since it is essential for maintaining the set speed; a malfunctioning sensor can disrupt the entire system. Additionally, check the brake pedal switch, which is designed to disengage cruise control when the brakes are applied; if this switch is faulty, it may inadvertently disable the cruise control. If these initial checks do not resolve the issue, use an OBD-II scanner to look for error codes that could indicate specific problems within the cruise control system. Lastly, inspect the cruise control module for any signs of damage, as a malfunctioning module can be a more complex issue requiring professional attention. If you are still unable to identify the problem, consulting a professional mechanic or an authorized Hyundai service center is advisable for a comprehensive diagnosis and repair. By following this structured approach, you can efficiently troubleshoot and potentially resolve the cruise control issue in your vehicle.

What are the common problems that could cause the cruise control to malfunction in a 2023 Hyundai Elantra N?

When dealing with cruise control malfunctions in a 2023 Hyundai Elantra N, it's essential to understand the common problems that may arise. One prevalent issue is faulty speed sensors, which can lead to incorrect speed readings and disrupt the cruise control's functionality. If you notice that the cruise control is not maintaining speed as expected, checking the speed sensors should be your first step. Another critical component is the brake light switch; if this switch is malfunctioning, it may prevent the cruise control from engaging or disengaging properly, which can be particularly frustrating during long drives. Additionally, throttle control malfunctions can hinder the system's ability to maintain a steady speed, so inspecting the throttle body and related components is advisable. Electrical issues, such as blown fuses or damaged wiring, can also cause significant disruptions in the cruise control system, making it vital to examine the vehicle's electrical system for any faults. Lastly, vacuum leaks in the engine can affect performance, leading to inconsistent speed maintenance. By diagnosing these common issues, DIY enthusiasts can effectively troubleshoot and repair the cruise control system, ensuring a safer and more enjoyable driving experience.

How urgent is it to address the malfunctioning cruise control in my 2023 Hyundai Elantra N?

When it comes to the malfunctioning cruise control in your 2023 Hyundai Elantra N, the urgency to address the issue cannot be overstated. A malfunctioning 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. Taking prompt action not only ensures your safety but also helps maintain the overall health of your vehicle, preventing future complications and expenses.

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