2015 INFINITI QX50 Cruise Control Isn't Working

Fixing Cruise Control Issues in Your 2015 INFINITI QX50

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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 2015 INFINITI QX50 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 INFINITI QX50 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 initial diagnostic steps to troubleshoot the non-functional cruise control in a 2015 INFINITI QX50?

When troubleshooting the non-functional cruise control in your 2015 INFINITI QX50, start with the simplest solutions before moving on to more complex diagnostics. Begin by checking the cruise control fuse in the fuse box; a blown fuse can easily disrupt the system. Next, ensure that the cruise control settings are correctly configured according to your vehicle's manual, as incorrect settings can prevent activation. If these initial checks do not resolve the issue, use a diagnostic scanner to look for any error codes that may indicate underlying problems. Additionally, inspect the cruise control buttons on the steering wheel for any signs of damage or malfunction, as these can hinder functionality. Finally, test the brake pedal switch, since a stuck or faulty switch can prevent the cruise control from engaging. By following this structured approach, you can effectively diagnose 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 2015 INFINITI QX50?

When the cruise control in your 2015 INFINITI QX50 ceases to function, it can be frustrating, but understanding the common problems can help you troubleshoot effectively. One of the primary culprits is a faulty brake pedal switch, which can disrupt the system's ability to engage or disengage, often leading to unexpected behavior. Additionally, a malfunctioning speed sensor can prevent the cruise control from maintaining a consistent speed, making it essential to check this component if you notice erratic performance. Another potential issue is a blown fuse, which can completely disable the cruise control system; inspecting the fuses related to the cruise control is a straightforward first step. Furthermore, the cruise control module itself may be at fault, as any internal issues can hinder its operation. Lastly, don’t overlook the possibility of electrical problems, as damaged wiring or poor connections can significantly impact the system's functionality. By systematically checking these areas, you can identify and potentially resolve the issue with your cruise control system.

How urgent is it to address the non-functioning cruise control in a 2015 INFINITI QX50?

Addressing a non-functioning cruise control in a 2015 INFINITI QX50 is crucial for both safety and vehicle performance. When this feature fails, it may not only lead to increased driver fatigue during long trips but could also signal deeper issues within the vehicle's electronic systems or sensors. Ignoring this problem can result in further complications, potentially affecting other critical systems and overall vehicle reliability. Moreover, a malfunctioning cruise control can compromise your ability to maintain a consistent speed, which is essential for safe driving. By taking prompt action to diagnose and repair the issue, you can prevent additional damage and ensure that your vehicle remains safe and efficient on the road. Therefore, it is highly advisable to prioritize this repair to maintain the integrity and functionality of your INFINITI QX50.

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