2016 INFINITI Q70L Cruise Control Isn't Working

Fixing Cruise Control Issues in Your 2016 INFINITI Q70L

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Reviewed by
Devin Cabugcal
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 INFINITI Q70L 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 INFINITI Q70L 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 INFINITI Q70L?

To effectively diagnose cruise control issues in your 2016 INFINITI Q70L, start with the basics by checking the cruise control fuse, as a blown fuse can easily disrupt functionality. Next, inspect the cruise control buttons on the steering wheel to ensure they are not stuck or damaged, as this can prevent proper engagement. Utilizing an OBD-II scanner is a crucial step; it allows you to scan for error codes that may indicate specific problems within the cruise control system. Pay close attention to the vehicle speed sensor, as its proper functioning is essential for cruise control operation. Additionally, examine the brake pedal switch, since a malfunctioning switch can inhibit cruise control engagement. Finally, conduct a thorough inspection of the wiring and connections associated with the cruise control system, looking for any signs of damage or corrosion that could be causing the issue. By following this structured diagnostic approach, you can efficiently troubleshoot and resolve cruise control problems in your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2016 INFINITI Q70L?

When your 2016 INFINITI Q70L's cruise control stops functioning, it can be frustrating, but understanding the common problems can help you diagnose the issue. One frequent culprit is a faulty brake pedal switch, which can disrupt the system's ability to engage or disengage properly. Additionally, issues with the speed sensor can lead to incorrect speed readings, causing the cruise control to malfunction. A blown fuse in the cruise control circuit is another simple yet often overlooked problem that can prevent the system from working. Furthermore, if the throttle actuator is malfunctioning, it may struggle to maintain the desired speed, leading to erratic performance. Lastly, problems with the Electronic Control Module (ECM) can affect various vehicle functions, including cruise control, and may require professional attention. By identifying these common issues, you can take the first steps toward troubleshooting and potentially resolving the cruise control problem in your vehicle.

How urgent is it to address the non-functioning cruise control in a 2016 INFINITI Q70L?

When it comes to the non-functioning cruise control in a 2016 INFINITI Q70L, understanding the urgency of the situation is crucial for any DIY enthusiast. While the absence of cruise control may not seem immediately dangerous, it can signal deeper issues within the vehicle's electronic systems or sensors that could compromise overall performance and safety. Ignoring this problem could lead to more significant complications, such as increased wear on the engine or transmission, which may result in costly repairs down the line. Moreover, a malfunctioning cruise control system can detract from the driving experience, especially on long trips where maintaining a consistent speed is essential for comfort and fuel efficiency. Therefore, it is advisable to inspect the cruise control system promptly, as addressing the issue early can prevent further damage and ensure that your vehicle operates smoothly and safely. Taking the time to troubleshoot and repair this feature not only enhances your driving experience but also contributes to the longevity of your vehicle.

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