2016 Hyundai Elantra GT Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2016 Hyundai Elantra GT 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 2016 Hyundai Elantra GT 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 2016 Hyundai Elantra GT 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 are the steps to diagnose the cruise control issue in a 2016 Hyundai Elantra GT?

When diagnosing a cruise control issue in a 2016 Hyundai Elantra GT, it's essential to adopt a systematic approach that begins with the simplest potential problems before moving on to more complex diagnostics. Start by checking the clock spring, as it often affects the functionality of the steering wheel buttons, including cruise control. If the clock spring appears to be functioning correctly, inspect the brake light switch, which is vital for the cruise control system's operation. A malfunctioning brake light switch can prevent the cruise control from engaging, so ensure that the brake lights are operational. Next, test the cruise control switch itself to confirm it is sending the correct signals to the cruise control unit. After these checks, examine the fuses and electrical connections for any blown fuses or loose wires that could disrupt the system. Additionally, look for any issues with the ABS or brake system, as these can also impact cruise control functionality. If all these components are in good condition, the problem may lie within the cruise control unit or its wiring, which may require professional inspection. Lastly, ensure that other related systems, such as the airbag system, are functioning properly, as faults in these systems can sometimes affect cruise control due to shared electrical pathways. By following this diagnostic approach, you can effectively identify and potentially resolve the cruise control issue in your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2016 Hyundai Elantra GT?

When dealing with cruise control issues in a 2016 Hyundai Elantra GT, it's essential to understand the common problems that may arise. One frequent culprit is a faulty clock spring, which can disrupt electrical connections within the steering column, affecting not only the cruise control but also other components like the horn. Another critical component to check is the brake pedal switch; if this switch fails, it may prevent the cruise control from engaging or disengaging properly. Additionally, a blown fuse can halt the cruise control's functionality, so inspecting the fuse box for any damaged fuses is a wise step. Electrical connections and wiring should also be examined, as poor connections or damaged wires can lead to system malfunctions. Lastly, consider the possibility of issues within the cruise control module itself or related components, such as the throttle position sensor or speed sensor. By systematically checking these areas, you can effectively diagnose and address the cruise control problems in your vehicle.

How urgent is it to address the malfunctioning cruise control in a 2016 Hyundai Elantra GT?

When dealing with a malfunctioning cruise control in a 2016 Hyundai Elantra GT, understanding the urgency of the situation is crucial. While a faulty cruise control system may not seem immediately dangerous, it can indicate underlying issues that could compromise your vehicle's safety. For instance, if the malfunction is linked to the clock spring, it may also affect the airbag system, which is vital for your protection in the event of an accident. Ignoring these symptoms could lead to more significant problems down the line, including costly repairs or even safety hazards. Therefore, it is advisable to conduct a thorough diagnostic check to identify any error codes and inspect related components like the brake light switch and wiring. By addressing these issues promptly, you not only enhance your driving experience but also ensure the reliability and safety of your vehicle, making it a wise choice for any DIY enthusiast.

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