2020 Lincoln Corsair Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2020 Lincoln Corsair 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 2020 Lincoln Corsair 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 2020 Lincoln Corsair 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.

The cruise control switch can cause complete failure of the cruise control feature, but in a lucky scenario only partial functionality will be lost. This means that the cruise control may come on, but that it will not increase in speed automatically, or the cancel button does not work leading the driver to cancel cruise control with the foot brake. In some vehicles, the cruise control light may illuminate, or a warning message may be displayed due to lack of functionality.

What steps should I take to diagnose the cruise control issue in my 2020 Lincoln Corsair?

When diagnosing a cruise control issue in your 2020 Lincoln Corsair, it's essential to adopt a systematic approach that begins with the simplest checks before moving on to more complex diagnostics. Start by inspecting the cruise control fuse in the fuse box, as a blown fuse can often be the root of the problem. Next, examine the cruise control buttons on your steering wheel to ensure they are functioning properly and not stuck or damaged. If these initial checks do not reveal the issue, utilize an OBD-II scanner to look for any error codes that may indicate a malfunction within the cruise control system. Additionally, inspect the speed sensors, as they play a critical role in the operation of cruise control; any malfunction here can disrupt functionality. It's also important to examine the wiring connections for any signs of damage or looseness that could affect the system's performance. Finally, test the cruise control module to confirm it is sending and receiving signals correctly. If these steps do not resolve the issue, seeking assistance from a professional mechanic or dealership is advisable for a more thorough diagnosis. This methodical approach not only helps in identifying the problem efficiently but also ensures that you cover all potential causes before escalating the issue.

What are the common problems that could cause the cruise control to stop working in a 2020 Lincoln Corsair?

When the cruise control in a 2020 Lincoln Corsair ceases to function, several common problems may be at play. One of the primary culprits is a faulty speed sensor, which can disrupt the system's ability to accurately gauge the vehicle's speed, preventing it from engaging or maintaining the desired speed. Another frequent issue is a malfunctioning brake light switch; if this component fails, it may incorrectly signal the cruise control system to disengage, even when the brakes are not applied. Additionally, a blown fuse can halt the cruise control's operation entirely, making it essential to check the fuse box for any issues. Throttle control problems, such as a stuck throttle or issues with the throttle position sensor, can also interfere with the system's performance. Lastly, electrical problems, including wiring issues or a malfunctioning control module, can lead to a complete failure of the cruise control system. By understanding these potential issues, DIYers can better diagnose the problem and take the necessary steps to restore functionality to their vehicle's cruise control system.

How urgent is it to address the malfunctioning cruise control in a 2020 Lincoln Corsair?

Addressing a malfunctioning cruise control in a 2020 Lincoln Corsair is of utmost urgency due to the significant safety risks it poses. A faulty system can lead to unexpected acceleration or deceleration, which can be dangerous, especially on highways where maintaining a consistent speed is crucial. Additionally, the inconvenience of a malfunctioning cruise control can detract from the overall driving experience, particularly during long trips where comfort and ease of use are paramount. Ignoring these issues not only compromises safety but can also lead to increased fuel consumption, as the vehicle may not operate as efficiently as designed. Furthermore, neglecting the problem could result in more extensive damage to other vehicle components, leading to higher repair costs down the line. Therefore, it is essential to have any cruise control malfunctions diagnosed and repaired promptly by a qualified mechanic to ensure the vehicle remains safe and efficient on the road.

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