2010 Lincoln MKS Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2010 Lincoln MKS 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 2010 Lincoln MKS 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 Lincoln MKS 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 are the initial diagnostic steps to troubleshoot the non-functional cruise control in a 2010 Lincoln MKS?

When faced with a non-functional cruise control in a 2010 Lincoln MKS, it's crucial to adopt a systematic diagnostic approach. Begin by checking the cruise control fuse, as a blown fuse is a simple yet common issue that can easily be resolved. Next, inspect the cruise control buttons on the steering wheel to ensure they are operational, since malfunctioning buttons can disrupt the system's functionality. Following this, verify the speed sensor's performance, as it plays a vital role in maintaining the vehicle's speed. Utilizing a diagnostic scanner to check for error codes can provide insights into specific problems affecting the cruise control system. Additionally, ensure that the brake lights are functioning correctly, as a faulty brake light switch can prevent the cruise control from engaging. Lastly, if your vehicle's cruise control relies on a vacuum system, inspect the vacuum lines for any leaks or damage. By methodically following these steps, you can effectively troubleshoot the cruise control issue and potentially restore its functionality without the need for professional assistance.

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

When troubleshooting cruise control issues in a 2010 Lincoln MKS, it's essential to consider several common problems that may be at play. One of the primary culprits is a faulty brake pedal switch, which is crucial for disengaging the cruise control when the brake is applied. If this switch malfunctions, it can prevent the system from engaging properly. Additionally, issues with the speed sensor can disrupt the cruise control's ability to maintain a consistent speed, leading to erratic performance. Another potential issue is a blown fuse within the cruise control system; checking the fuse box for any damaged fuses and replacing them can often resolve the problem. Furthermore, a malfunction in the throttle control system can hinder the cruise control's functionality, as it relies on proper throttle operation to maintain speed. The Electronic Control Module (ECM) also plays a vital role in managing the cruise control system, and any problems with the ECM can significantly impact its operation. Lastly, vacuum leaks in the engine can interfere with the cruise control system's performance, so inspecting for and repairing any leaks is advisable. By systematically addressing these common issues, you can effectively troubleshoot and restore the cruise control functionality in your Lincoln MKS.

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

Addressing a non-functioning cruise control in a 2010 Lincoln MKS should be considered a priority, even if it may not seem like an immediate safety concern. The cruise control system is designed to enhance driving comfort, particularly during long trips, by allowing the driver to maintain a steady speed without constant manual adjustments. When this system fails, it can lead to increased driver fatigue and inconvenience, as the driver must remain vigilant in controlling the vehicle's speed. Moreover, neglecting this issue could result in more significant complications, such as potential failures in the vehicle's electrical system, which could escalate repair costs and affect other functionalities. Therefore, while it may not be an emergency, addressing the malfunction promptly is essential to ensure a safe and enjoyable driving experience, as well as to prevent further damage to the vehicle. Taking the time to diagnose and repair the cruise control system can save you from future headaches and enhance your overall driving comfort.

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