2015 Lincoln MKX Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2015 Lincoln MKX and How to Fix Them

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Reviewed by

Devin Cabugcal

Written by RepairPal Car Genius

Updated January 14, 2025

30% chance it's the

Sensor

25% chance it's the

Control Module

25% chance it's the

Throttle

20% chance it's

Something else

The most common reasons a 2015 Lincoln MKX 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.

What are the best Lincoln repair shops?

RepairPal Certified shops can diagnose and repair your 2015 Lincoln MKX electronics and electrical issues. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

How much does it cost to fix a 2015 Lincoln MKX 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-functioning cruise control in a 2015 Lincoln MKX?

When troubleshooting the non-functioning cruise control in your 2015 Lincoln MKX, start with the simplest checks before moving on to more complex diagnostics. Begin by inspecting the cruise control fuse located in the engine bay; consult your vehicle manual to find the exact location. Remove the fuse and test it with a multimeter to ensure it is intact. Next, examine the control module and switches for any visible signs of damage or wear. It's also crucial to check the brake pedal; if it is stuck in the open position, it will deactivate the cruise control system. If these initial steps do not resolve the issue, consider performing a cruise control self-diagnostic procedure, which may require assistance from a helper. This methodical approach will help you identify the problem efficiently, allowing you to restore functionality to your cruise control system.

What are the common problems that could cause the cruise control to stop working in a 2015 Lincoln MKX?

When troubleshooting cruise control issues in a 2015 Lincoln MKX, it's essential to consider several common problems that could be affecting the system. One of the primary culprits is a faulty brake pedal switch, which can prevent the cruise control from engaging or disengaging as intended. Additionally, a malfunctioning speed sensor may disrupt the system's ability to maintain a consistent speed, leading to erratic performance. Another potential issue is a blown fuse, which can completely disable the cruise control functionality. Furthermore, a defective cruise control module can also be a significant factor in the system's failure. Lastly, any underlying electrical problems, such as damaged wiring or poor connections, can severely impact the operation of the cruise control. For those looking to DIY, it's crucial to systematically check these components to identify and resolve the issue effectively.

How urgent is it to address the malfunctioning cruise control in a 2015 Lincoln MKX?

Addressing a malfunctioning cruise control in a 2015 Lincoln MKX is of utmost importance due to the potential safety risks it poses. A faulty system can lead to unexpected acceleration or deceleration, which can create hazardous driving conditions and increase the likelihood of accidents. Promptly repairing the cruise control not only enhances safety but also prevents further damage to the vehicle's components, which could result in more extensive and costly repairs down the line. Additionally, a malfunctioning cruise control detracts from the overall driving experience, making it inconvenient to use this feature when needed. Therefore, it is crucial to prioritize the repair of the cruise control system to ensure both safety and optimal vehicle performance.

Related 2015 Lincoln MKX Problems

Read about related problems experienced by other Lincoln MKX drivers like you.

Lincoln MKX AMS indicator light on with poor steering control and unsteady wheel at 65 mph, needs CV axle, tie rod, and alignment

Some Lincoln MKX owners report experiencing issues such as an illuminated AMS indicator light, poor steering control, and an unsteady wheel at 65 mph. These problems may be related to the steering system or other components, necessitating a precise diagnosis to identify the underlying cause of the AMS light. Additionally, owners have noted that poor steering control and an unsteady wheel at higher speeds could indicate potential issues with the CV axle, tie rod, or vehicle alignment, all of which are critical for maintaining stability and control. If these components are faulty or misaligned, they can significantly impact the vehicle's performance. It is recommended that owners seek a professional mechanic to inspect these components and provide the necessary repairs or replacements to ensure safety and optimal performance.

1 model year affected

Avg Mileage: 192,500

2 others reported problem

1 comment

Mitsubishi Diamante cruise control malfunction after drive line obstruction removal

Some Mitsubishi Diamante owners report experiencing cruise control malfunctions after removing a drive line obstruction, often linked to issues with the control module, sensor, or switch. These problems may stem from failed components that prevent the cruise control system from engaging or holding speed, despite power being available to the dash and fuse. Additionally, throttle actuation issues, such as a faulty throttle position sensor, can lead to the engine's computer overcompensating with fuel, which may result in black exhaust from the tailpipe. Owners are advised to thoroughly troubleshoot the cruise control system and inspect key components like the control module, sensor, and throttle to identify any damage or malfunction caused during the obstruction removal process.

4 model years affected

See More 2015 Lincoln MKX Problems

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