2022 INFINITI Q50 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2022 INFINITI Q50 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 2022 INFINITI Q50 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 2022 INFINITI Q50 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.

When the vehicle speed sensor fails or the wiring harness prevents signal transmission, the speedometer is the first thing that will stop functioning properly. This can be an intermittent issue where the speedometer only works occasionally, the speedometer may cease all function, or the speedometer may read erratically or incorrectly. Also, the traction control and anti lock brake warning lights specific to each vehicle may be illuminated, depending on the design of those systems. You may notice the vehicle hesitate to accelerate, cruise control will not function properly, and the vehicle may not shift properly through all of the gears.

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 steps should I take to diagnose the non-functioning cruise control in my 2022 INFINITI Q50?

To effectively diagnose the non-functioning cruise control in your 2022 INFINITI Q50, begin with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by inspecting the cruise control fuse located in the fuse box, as a blown fuse is a common and easily fixable issue that can halt cruise control functionality. Next, examine the cruise control buttons on your steering wheel for any signs of damage or sticking, as these can prevent the system from engaging properly. Following this, verify the operation of the speed sensor, which is essential for maintaining a consistent speed; a malfunctioning sensor can disrupt cruise control performance. Additionally, check the brake pedal switch, which is designed to disengage cruise control when the brakes are applied; ensuring this switch is functioning correctly is crucial. If these initial checks do not resolve the issue, utilize an OBD-II scanner to identify any error codes that may indicate specific problems within the cruise control system. Should you still be unable to diagnose the issue, it may be wise to consult a professional mechanic or an authorized INFINITI service center, as they possess the expertise and specialized tools necessary for a thorough diagnosis and repair. By following this structured diagnostic approach, you can efficiently identify and address the underlying causes of your cruise control malfunction.

What are the common problems that could cause the cruise control to stop working in a 2022 INFINITI Q50?

When troubleshooting cruise control issues in a 2022 INFINITI Q50, it's essential to understand the common problems that may lead to its malfunction. One of the primary culprits is a faulty speed sensor, which can disrupt the system's ability to maintain the desired speed. Additionally, a malfunctioning brake light switch can interfere with cruise control operation, as this switch is designed to disengage the system when the brakes are applied. Another potential issue is a blown fuse within the cruise control system; checking and replacing any blown fuses can often restore functionality. Problems with the throttle control system, particularly a faulty throttle position sensor, can also impact cruise control performance. Lastly, electrical issues, including faulty wiring or connections, can lead to system failure. By systematically addressing these common problems, you can effectively troubleshoot and potentially resolve the cruise control issues in your vehicle.

How urgent is it to address the malfunctioning cruise control in a 2022 INFINITI Q50?

Addressing a malfunctioning cruise control in a 2022 INFINITI Q50 is of utmost urgency due to the significant safety risks it poses. A faulty system can lead to unexpected acceleration or deceleration, which can endanger both the driver and other road users. Additionally, a malfunctioning cruise control can create discomfort and frustration during driving, detracting from the overall experience. Ignoring these symptoms not only compromises safety but can also lead to increased fuel consumption as the vehicle struggles to maintain a consistent speed. Furthermore, delaying repairs may result in more extensive damage to the vehicle's systems, ultimately leading to higher repair costs. Therefore, it is crucial to have the cruise control issue diagnosed and repaired by a qualified technician promptly, ensuring a safe and efficient driving experience.

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