2021 Land Rover Defender 110 Tire Pressure Warning Light Stays On

Resolve tire pressure warning light in 2021 Land Rover Defender 110.

Find Repair Location
Reviewed by
Bo Fader
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 Land Rover Defender 110 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.

What steps should I take to diagnose the tire pressure warning light issue in my 2021 Land Rover Defender 110?

To effectively diagnose the tire pressure warning light issue in your 2021 Land Rover Defender 110, begin with a thorough check of the tire pressure in all four tires using a reliable tire pressure gauge. Ensure that the readings align with the recommended levels found in your vehicle's manual, as incorrect pressure is a common trigger for warning lights. Next, conduct a visual inspection of each tire for any signs of damage, such as cuts, punctures, or bulges, and look for any foreign objects that may be lodged in the tread. If the tire pressure is correct and the tires appear undamaged, the next step is to reset the tire pressure monitoring system (TPMS), which can often resolve minor glitches. Refer to your vehicle's manual for specific instructions on how to perform this reset. However, if the warning light remains illuminated after these checks, it may be time to consult a professional mechanic or an authorized service center for a more comprehensive diagnosis, as there could be underlying issues that require expert attention. By following this structured approach, you can efficiently troubleshoot the tire pressure warning light and maintain the safety and performance of your vehicle.

What could be causing the tire pressure warning light to remain on in a 2021 Land Rover Defender 110?

When the tire pressure warning light stays on in your 2021 Land Rover Defender 110, it’s essential to identify the underlying issues to ensure your safety and vehicle performance. The most common reason for this warning light is low tire pressure, which can be easily checked using a tire gauge. Make sure to inflate all tires to the recommended levels specified in your owner’s manual. If the tire pressure is adequate, the problem may stem from a faulty tire pressure sensor that could require replacement. Additionally, the sensors may need recalibration to ensure accurate readings, a task typically performed by a professional mechanic. Electrical faults within the tire pressure monitoring system can also cause the warning light to remain illuminated, which may necessitate a diagnostic check to uncover the issue. Lastly, be aware that environmental factors, such as extreme temperature fluctuations or driving over rough terrain, can temporarily affect tire pressure readings. It’s advisable to recheck the tire pressure after the vehicle has been stationary for a while. By methodically addressing these potential causes, you can effectively troubleshoot the persistent tire pressure warning light and maintain your vehicle’s safety and performance.

What immediate steps should be taken if the tire pressure warning light remains on in a 2021 Land Rover Defender 110?

When the tire pressure warning light remains illuminated in your 2021 Land Rover Defender 110, it is crucial to act promptly to ensure your safety and prevent further damage to your vehicle. Start by checking the tire pressure in all four tires with a reliable gauge, ensuring they meet the manufacturer's recommended levels. If you find any tires are underinflated, use a quality air compressor to inflate them to the correct pressure. Next, inspect each tire for visible damage such as punctures or bulges, as these can compromise safety and performance. If you have made adjustments to the tire pressure or found any issues, be sure to reset the tire pressure monitoring system according to the instructions in your owner's manual. However, if the warning light persists despite these efforts, it is essential to seek professional assistance. Ignoring this warning could lead to unsafe driving conditions or more significant mechanical issues, making it imperative to address the situation without delay. By taking these immediate steps, you can maintain the safety and reliability of your vehicle on the road.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.