2015 Hyundai Azera Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2015 Hyundai Azera 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 2015 Hyundai Azera 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 2015 Hyundai Azera 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 2015 Hyundai Azera?

When diagnosing a cruise control issue in a 2015 Hyundai Azera, it's essential to adopt a systematic approach that begins with the simplest checks before progressing to more complex diagnostics. Start by inspecting the fuse associated with the cruise control system, as a blown fuse can easily disrupt functionality. Next, examine the brake pedal switch, ensuring that the brake lights operate correctly, since a faulty switch can prevent the cruise control from engaging. Following this, assess the speed sensor, which is vital for maintaining the set speed; look for any visible damage or fraying in the wiring. If your vehicle utilizes a vacuum actuator, inspect the hoses for blockages, although the Azera likely employs a throttle-by-wire system. In this case, using a code reader to check for trouble codes can provide insights into any electronic issues. Additionally, verify the functionality of the cruise control buttons on the steering wheel, as malfunctioning switches can hinder operation. Grounding issues should also be considered, particularly around the clock spring, as poor connections can disrupt electrical signals. After making necessary repairs, a test drive is crucial to confirm that the cruise control is functioning correctly. If problems persist or if you're unsure about any step, seeking assistance from a certified mobile mechanic can ensure a thorough inspection and accurate diagnosis.

What are the common problems that could cause the cruise control to stop working in a 2015 Hyundai Azera?

When dealing with cruise control issues in a 2015 Hyundai Azera, 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 prevent the system from functioning altogether. Additionally, the brake pedal switch plays a critical role, as it disengages the cruise control when the brake is pressed. If this switch is malfunctioning, it may falsely signal that the brakes are engaged, thus disabling the cruise control. Another key component is the speed sensor, which provides vital speed data to the cruise control system; a failure here can not only disrupt cruise control but may also affect the speedometer and overall engine performance. For those with older models, the vacuum actuator and associated hoses or cables could be damaged, leading to further complications. In some cases, the cruise control module itself may fail, rendering the entire system inoperable. Lastly, issues with throttle actuation, including problems with the throttle position sensor or throttle body, can also hinder cruise control functionality. By understanding these common problems, DIYers can better diagnose and address the issues affecting their vehicle's cruise control system.

How urgent is it to address the malfunctioning cruise control in a 2015 Hyundai Azera?

Addressing a malfunctioning cruise control in a 2015 Hyundai Azera is crucial due to the potential safety risks it poses. A faulty system can lead to unintended acceleration, especially if it fails to disengage when the brake pedal is pressed, creating a dangerous driving situation. Moreover, the absence of cruise control can increase driver fatigue during long trips, further compromising safety. Additionally, a malfunctioning cruise control may indicate underlying issues with the vehicle's electrical or mechanical systems, such as problems with the brake pedal switch or speed sensor. Ignoring these symptoms can lead to more severe complications and costly repairs down the line. Therefore, it is essential to prioritize the inspection and repair of the cruise control system to ensure not only the safety of the driver and passengers but also the overall health of the vehicle. Taking prompt action can prevent further damage and enhance the driving experience, making it a critical issue that should not be overlooked.

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