2014 INFINITI QX70 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2014 INFINITI QX70 and How to Fix Them

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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 2014 INFINITI QX70 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 2014 INFINITI QX70 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 2014 INFINITI QX70?

To diagnose a cruise control issue in your 2014 INFINITI QX70, begin with the simplest solutions before moving on to more intricate checks. Start by inspecting the cruise control fuse; a blown fuse can often be the root of the problem. Next, examine the cruise control buttons on the steering wheel to ensure they are not stuck or damaged, as this can prevent the system from engaging. Utilizing an OBD-II scanner to check for error codes can provide valuable insights into any underlying issues. Pay close attention to the speed sensors, as they are essential for the cruise control's functionality. Additionally, test the brake pedal switch, since a malfunction here can disable the cruise control. Finally, inspect the wiring connections for any signs of damage or looseness that could disrupt the system. If these steps do not resolve the issue, it may be time to consult a professional mechanic for further assistance. By following this structured approach, you can effectively troubleshoot and potentially fix your cruise control system.

What are the common problems that could cause the cruise control to stop working in a 2014 INFINITI QX70?

When your cruise control stops functioning in a 2014 INFINITI QX70, there are several common issues you can troubleshoot on your own. Start by checking the brake pedal switch, as a faulty switch can disrupt the cruise control's ability to engage or disengage. Next, inspect the speed sensor; if it’s malfunctioning, it may provide incorrect speed readings, leading to cruise control failure. Additionally, a blown fuse in the cruise control system can prevent it from operating, so checking the fuses is a simple yet effective step. Another component to consider is the throttle actuator; if it’s not working correctly, the system may struggle to maintain speed. Lastly, issues with the Electronic Control Module (ECM) can also affect cruise control functionality, as this module oversees various vehicle operations. By systematically examining these components, you can identify the root cause of the problem and determine whether a DIY fix is possible or if professional assistance is needed.

How urgent is it to address the non-functioning cruise control in a 2014 INFINITI QX70?

When it comes to the non-functioning cruise control in a 2014 INFINITI QX70, understanding the urgency of the situation is crucial for any DIY enthusiast. While it may not seem like an immediate emergency, neglecting this issue can lead to more significant problems down the line. A malfunctioning cruise control system can be indicative of underlying electronic or sensor issues that may affect other critical vehicle systems, potentially compromising safety and performance. Moreover, addressing the problem promptly can prevent further damage, which could result in costly repairs. For those looking to tackle this issue themselves, it’s essential to conduct a thorough inspection of the cruise control components, including the fuses, wiring, and sensors, to identify any faults. By prioritizing this repair, you not only enhance your driving experience but also ensure the overall safety and reliability of your vehicle.

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