2016 Hyundai Equus Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2016 Hyundai Equus and How to Fix Them

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Reviewed by
Aisha
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 Equus 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 Equus 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 2016 Hyundai Equus?

When diagnosing a cruise control issue in a 2016 Hyundai Equus, it's essential to adopt a systematic approach that begins with the simplest solutions before progressing to more complex diagnostics. Start by checking the fuse associated with the cruise control system, as a blown fuse can easily disrupt functionality. Next, inspect the brake light switch, which is crucial for the cruise control to engage; ensure that the brake lights illuminate when the pedal is pressed. If these components are functioning correctly, turn your attention to the speed sensor, as its failure can prevent the cruise control from operating properly. A visual inspection of the wiring and connections is also vital, as damaged wires can lead to malfunctions. Additionally, test the cruise control buttons on the steering wheel to confirm they are sending the correct signals. If the cruise control system is integrated with ABS or traction control, check for any warning lights or trouble codes that may indicate underlying issues. Utilizing an OBD scanner can provide valuable insights into any error codes related to the cruise control system, guiding you toward the specific components that may need attention. If these steps do not resolve the issue, or if you feel uncertain at any point, consulting a certified mechanic is advisable to ensure a thorough diagnosis and repair.

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

When dealing with cruise control issues in a 2016 Hyundai Equus, it's essential to understand the common problems that may arise. One of the first things to check is the fuse dedicated to the cruise control system; a blown fuse can easily disable the feature and is a straightforward fix. Next, inspect the brake pedal switch, as a malfunction here can cause the system to think the brakes are engaged, preventing cruise control from activating. The speed sensor is another critical component; if it fails, not only will the cruise control stop working, but you may also experience speedometer inaccuracies. Additionally, while less common in newer models, any damage to the vacuum actuator, hoses, or cables can disrupt the cruise control's functionality. For vehicles equipped with adaptive cruise control, ensure that the sensors are clean and unobstructed, as dirt or damage can hinder performance. Lastly, consider the cruise control switches on the steering wheel, which may fail due to wear or spills. By systematically checking these components, you can effectively diagnose and potentially resolve the cruise control issues in your Hyundai Equus.

How urgent is it to address the non-functioning cruise control in a 2016 Hyundai Equus?

When dealing with a non-functioning cruise control in a 2016 Hyundai Equus, it's essential to assess the urgency of the situation based on the underlying causes and their implications. While the cruise control feature itself may not pose an immediate safety risk, issues related to critical components like the brake pedal switch or speed sensor can have significant consequences. If these components are malfunctioning, they could affect essential safety features such as brake lights and traction control, making it crucial to address any related symptoms promptly. Additionally, if the cruise control failure is part of a broader issue, such as a malfunctioning brake switch draining the battery, it becomes even more urgent to seek repairs. Regular maintenance and timely inspections can help prevent minor issues from escalating into major problems, ensuring the overall safety and functionality of your vehicle. Therefore, while the cruise control may seem like a minor inconvenience, understanding the potential risks associated with its failure is vital for maintaining the health and safety of your Hyundai Equus.

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