2010 INFINITI FX50 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2010 INFINITI FX50 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 2010 INFINITI FX50 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 2010 INFINITI FX50 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 2010 INFINITI FX50?

When faced with a non-functional cruise control in your 2010 INFINITI FX50, start by checking the cruise control fuse in the fuse box to ensure it is intact. A blown fuse can often be the simplest fix. Next, test the cruise control switch located on the steering wheel; if it’s not responding, it may need replacement. The brake pedal switch is another critical component to examine, as it should not be stuck or malfunctioning, since the cruise control system disengages when the brake is pressed. Additionally, inspect the vehicle speed sensor, which is vital for the cruise control's operation; if it’s faulty, it can prevent the system from functioning correctly. Finally, using a diagnostic scanner to check for any error codes can provide further insights into the problem, helping you to pinpoint the issue more effectively. By following these steps, you can systematically diagnose and potentially resolve the cruise control malfunction in your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2010 INFINITI FX50?

When troubleshooting cruise control issues in a 2010 INFINITI FX50, it's essential to consider several common problems that could be at play. One of the first components to check is the brake pedal switch, as a faulty switch can prevent the cruise control from engaging or disengaging correctly. Additionally, a malfunctioning speed sensor may disrupt the system's ability to maintain a set speed, leading to erratic behavior. It's also wise to inspect the fuses related to the cruise control system, as a blown fuse can completely disable its functionality. Another critical area to examine is the throttle actuator; if it is not functioning properly, the cruise control may struggle to adjust the vehicle's speed accurately. Lastly, issues with the Electronic Control Module (ECM) can also affect the cruise control system, as it manages various vehicle functions. By systematically checking these components, DIYers can often identify and resolve the issue without needing to consult a mechanic.

How urgent is it to address the non-functioning cruise control in a 2010 INFINITI FX50?

When it comes to the non-functioning cruise control in a 2010 INFINITI FX50, understanding the urgency of the situation is crucial for any DIY enthusiast. While this issue may not present an immediate safety hazard like malfunctioning brakes or engine problems, it can still significantly impact your driving experience. A malfunctioning cruise control can lead to increased driver fatigue, especially on long trips where maintaining a constant speed is essential for comfort. Moreover, neglecting this issue could result in more complex problems down the line, potentially leading to costly repairs. By addressing the cruise control malfunction promptly, you not only enhance your vehicle's performance but also ensure a more enjoyable and safer driving experience. Therefore, while it may not be the top priority, taking action sooner rather than later is advisable to prevent further complications.

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