2010 Lincoln MKZ Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2010 Lincoln MKZ 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 MKZ 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 MKZ 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 steps to diagnose the cruise control issue in a 2010 Lincoln MKZ?

To effectively diagnose cruise control issues in your 2010 Lincoln MKZ, start by checking the fuses associated with the cruise control system, as a blown fuse can often be the simplest explanation for malfunction. Next, inspect the brake pedal and throttle body; any irregularities here can directly affect the cruise control's performance. If these initial checks do not reveal the problem, utilize a diagnostic scanner to identify any error codes that may provide insight into the issue. Additionally, ensure that the radar signals are unobstructed, as any blockage can hinder the cruise control's functionality. By following this structured approach, you can systematically identify and resolve the cruise control issues in your vehicle.

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

When dealing with a non-functional cruise control in a 2010 Lincoln MKZ, it's crucial to understand the common problems that may be at play. One of the primary culprits is a faulty brake pedal switch, which can disrupt the system's ability to engage or disengage as intended. Additionally, a defective speed sensor can lead to incorrect speed readings, further complicating the cruise control's operation. Electrical issues, such as a blown fuse, can also interrupt the cruise control functionality, making it essential to check the vehicle's fuses. Furthermore, vacuum leaks within the system can hinder the cruise control's performance, as it relies on a vacuum to operate effectively. Lastly, a malfunctioning cruise control module itself may be the root cause of the problem. By identifying these potential issues, DIYers can take the first steps toward diagnosing and resolving the cruise control malfunction in their Lincoln MKZ.

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

When considering the urgency of addressing a non-functioning cruise control in a 2010 Lincoln MKZ, it is essential to recognize that while it may not present an immediate safety hazard, neglecting this issue can lead to more significant problems. A malfunctioning cruise control system often signals underlying issues within the vehicle's electrical system or sensors, which, if left unaddressed, could escalate into costly repairs. Moreover, the convenience of cruise control, particularly during long drives, cannot be overstated; its absence can lead to increased driver fatigue and reduced fuel efficiency. Therefore, it is advisable to prioritize the repair of the cruise control system not only to restore comfort and convenience but also to prevent potential complications that could arise from ignoring the symptoms. Taking prompt action ensures the vehicle remains in optimal condition, safeguarding both the driver and the vehicle's overall performance.

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