2019 Lincoln Navigator Cruise Control Isn't Working

Fixing Cruise Control Issues in the 2019 Lincoln Navigator

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Reviewed by
Devin Cabugcal
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 2019 Lincoln Navigator 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 2019 Lincoln Navigator 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.

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 are the initial diagnostic steps to take when the cruise control isn't working on a 2019 Lincoln Navigator?

When faced with a malfunctioning cruise control system in your 2019 Lincoln Navigator, it's crucial to adopt a systematic diagnostic approach. Begin by checking the cruise control fuse located in the fuse box, as a blown fuse is a common and easily fixable issue that can disrupt the system's functionality. Next, inspect the cruise control switch on the steering wheel; a faulty switch may prevent the system from engaging, so ensure it operates correctly. The speed sensors are vital for maintaining a constant speed, so verify their operation to rule out any issues there. Additionally, examine the brake pedal switch, which is designed to disengage the cruise control when pressed; if this switch is malfunctioning, it could be the culprit. Finally, consider using a diagnostic scanner to check for any error codes related to the cruise control system, as this can provide valuable insights into specific problems. By following these steps, you can effectively troubleshoot and potentially resolve the cruise control issue on your Lincoln Navigator.

What are the common problems that could cause the cruise control to stop working in a 2019 Lincoln Navigator?

When troubleshooting the cruise control system in a 2019 Lincoln Navigator, it's essential to recognize the common problems that may lead to its malfunction. One significant issue could be faulty speed sensors, which impede the system's ability to maintain the desired speed accurately. Additionally, a malfunctioning brake light switch can disrupt the cruise control, as it is designed to deactivate when the brakes are applied, ensuring safety. A blown fuse is another potential culprit, as it can completely prevent the cruise control from functioning. Furthermore, problems within the throttle control system, particularly a faulty throttle position sensor, can adversely affect the cruise control's performance. Lastly, any underlying electrical issues, such as damaged wiring or a defective cruise control module, can also contribute to the system's failure. By identifying and addressing these common issues, you can effectively diagnose and resolve the cruise control problems in your Lincoln Navigator, ensuring a smoother driving experience.

How urgent is it to address the malfunctioning cruise control in a 2019 Lincoln Navigator?

Addressing a malfunctioning cruise control in a 2019 Lincoln Navigator is of utmost urgency due to the significant safety risks it poses. A faulty cruise control system can lead to unexpected acceleration or deceleration, creating hazardous driving conditions that could result in accidents. Moreover, the comfort of long drives is compromised when the cruise control fails to maintain a steady speed, leading to driver fatigue and discomfort. Promptly resolving this issue not only ensures a smoother driving experience but also helps maintain the vehicle's overall performance. Neglecting the problem can lead to further complications, potentially resulting in more extensive and costly repairs down the line. Therefore, it is crucial to take immediate action to address any symptoms of malfunctioning cruise control to safeguard both your safety and the integrity of your vehicle.

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2019 Lincoln Navigator Cruise Control Issues & Solutions