2021 Lincoln Nautilus Tire Pressure Warning Light Stays On

Resolve Tire Pressure Warning Light in 2021 Lincoln Nautilus: Causes and Solutions

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Reviewed by
Devin Cabugcal
Written by RepairPal Car Genius
Updated January 14, 2025
0%
40% chance it's the
Tire Leaking Air
0%
30% chance it's the
Wheel Leaking Air
0%
15% chance it's the
Tire Pressure Monitoring System
0%
15% chance it's
Something else
The most common reasons a 2021 Lincoln Nautilus tire pressure warning light stays on are a leaking tire, a wheel that no longer holds air, or a faulty tire pressure monitoring system.
  • Tire Leaking Air: A puncture, valve stem issue, or rim damage can cause a tire to leak air, leading to loss of pressure.
  • Wheel Leaking Air: A puncture or damage to the tire or rim can cause air to leak, resulting in a loss of tire pressure.
  • Tire Pressure Monitoring System: A malfunctioning tire pressure monitoring system can be caused by faulty sensors or a dead battery in the sensor units.
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 2021 Lincoln Nautilus tire pressure warning light stays on?

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 a tire pressure monitoring sensor fails, the tire pressure monitoring system control module will recognize a loss in communication and turn on the warning lamp which indicates the failure. This is most often the case. However, the tire pressure monitoring sensor may also fail by reporting incorrect tire pressures. This could cause a flat tire to go unrecognized, or a properly inflated tire to signal a low or high tire pressure warning.

When a relearn is needed, for any reason, the TPMS warning light will illuminate, and many vehicles will display a message relating to the TPMS system being inoperative or loosing communication. It is important to keep a watchful eye on tire pressures when this system is having issues because there is no warning available for underinflation or overinflation of the tires.

Wheels offer very few symptoms, but these symptoms should never be ignored. Visible cracks on the wheels may appear, especially after hitting a large bump, Most often, this will also be accompanied by loss of air from the tire on that wheel. Also, vibration in the steering wheel is very common when the tire is out of balance, and improper wheel nuts or bolts can cause creaking and popping noises to develop. Again, there are very few symptoms, but they should not be ignored.

The only symptoms requiring diagnosis for the tire pressure monitoring system warning lamp is if the warning lamp has illuminated while the tires have correct air pressure, or if the air pressure for the tires is out of specification and the warning lamp is off. This is because the overwhelming majority of cases where the TPMS lamp illuminates is due to the change in ambient temperature.

What are the initial steps to diagnose a tire pressure warning light that stays on in a 2021 Lincoln Nautilus?

To effectively diagnose a tire pressure warning light that remains illuminated in your 2021 Lincoln Nautilus, start by checking the tire pressure in all four tires, ensuring they are inflated to the manufacturer's recommended levels. This is a crucial first step, as low tire pressure is a frequent culprit behind such warnings. Next, visually inspect each tire for any signs of damage, such as punctures, cuts, or bulges, which could lead to air loss. If the tire pressure is adequate and no visible damage is found, proceed to reset the tire pressure monitoring system according to the instructions in your vehicle's manual; this can often clear false alerts. If the warning light persists, it may indicate a malfunctioning tire pressure sensor, which can be diagnosed using a professional tool. Should these steps not resolve the issue, it may be time to consult a qualified mechanic for a thorough inspection. By following this methodical approach, you can effectively troubleshoot the tire pressure warning light and determine the necessary next steps.

What could cause the tire pressure warning light to remain on in a 2021 Lincoln Nautilus?

When the tire pressure warning light stays on in a 2021 Lincoln Nautilus, it can indicate several underlying issues that need attention. The most common reason is low tire pressure, which can result from natural air loss or punctures, making it essential to regularly check and maintain the recommended tire pressure for safe driving. Another possibility is a faulty tire pressure sensor; if the sensor is not functioning correctly, it may require replacement to ensure accurate readings. Additionally, the sensors may need recalibration, which is best handled by a professional to guarantee proper functionality. Electrical problems within the tire pressure monitoring system can also cause the warning light to remain illuminated, so inspecting the wiring and connections is crucial. Lastly, a system reset might resolve the issue, but it's important to refer to the vehicle's manual for the correct procedure. Addressing these issues promptly is vital for maintaining vehicle safety and performance, and if the warning light continues to persist, consulting a professional mechanic or dealership is recommended for further diagnosis and repair.

What should I do if the tire pressure warning light stays on in my 2021 Lincoln Nautilus?

If the tire pressure warning light remains illuminated in your 2021 Lincoln Nautilus, it is crucial to take immediate action to avoid potential safety hazards and costly repairs. Ignoring this warning can lead to decreased vehicle performance, increased tire wear, and even tire blowouts, which pose serious risks while driving. Start by checking the tire pressure in all tires, including the spare, and ensure they are inflated to the manufacturer's recommended levels. If you find any tires underinflated, inflate them promptly to maintain optimal handling and safety. Additionally, inspect the tires for any visible damage, as punctures or bulges can compromise their integrity. After adjusting the pressure, resetting the tire pressure monitoring system is often necessary to clear the warning light. If the light persists despite these efforts, it is essential to consult a qualified mechanic, as there may be a deeper issue with the monitoring system that requires professional diagnosis. Taking these steps not only enhances your safety on the road but also helps prevent further damage to your vehicle.

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2021 Lincoln Nautilus Tire Pressure Warning Light Issues