2020 Land Rover Defender 110 Tire Pressure Warning Light Stays On

Tire Pressure Warning Light Issues in 2020 Land Rover Defender 110: Causes and Solutions

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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 2020 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.

How much does it cost to fix a 2020 Land Rover Defender 110 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 of a TPMS control module failure are failing to alert the driver of underinflation or overinflation of one or more tires, failure to communicate with the body control module or TPMS sensors, or erroneously reporting incorrect tire pressure.

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 persistent tire pressure warning light on a 2020 Land Rover Defender 110?

To effectively diagnose a persistent tire pressure warning light on your 2020 Land Rover Defender 110, start with the most straightforward solutions. First, check the tire pressure of all four tires, ensuring they are inflated to the manufacturer's recommended levels, as low pressure is a frequent culprit for triggering the warning light. Next, visually inspect each tire for any signs of damage, such as punctures or cuts, which could lead to air loss. If the tires appear to be in good condition, attempt to reset the tire pressure monitoring system following the instructions in your vehicle's manual; this can sometimes resolve the issue if it was a temporary glitch. Additionally, examine the tire pressure sensors for any visible damage or malfunction, as faulty sensors can also cause the warning light to remain illuminated. If these initial steps do not resolve the issue, consider using a diagnostic tool to scan for fault codes related to the tire pressure monitoring system, which can help identify any underlying problems that may require further attention. By following this structured approach, you can efficiently troubleshoot the warning light and ensure your vehicle's safety on the road.

What could be causing the tire pressure warning light to stay on in a 2020 Land Rover Defender 110?

When the tire pressure warning light stays illuminated in your 2020 Land Rover Defender 110, it’s essential to identify the underlying issues that may be causing this alert. The most common reason is low tire pressure, which can be easily remedied by checking and inflating your tires to the recommended levels specified in your owner’s manual. If the tire pressure is adequate, the next step is to examine the tire pressure sensors, as a malfunctioning sensor can keep the warning light on. In some cases, the sensors may have batteries that can wear out, necessitating replacement. Additionally, inspect the wiring and connections related to the tire pressure monitoring system for any signs of damage or loose connections, as these can also trigger the warning light. Environmental factors, such as drastic temperature changes, can impact tire pressure, so it’s best to check your tires when they are cold for the most accurate readings. If everything appears normal but the light remains on, the system may require recalibration, which can typically be done by following the manufacturer’s guidelines or consulting a professional. By methodically addressing these potential issues, you can effectively troubleshoot the tire pressure warning light in your Defender and ensure safe driving conditions.

How urgent is it to address the tire pressure warning light on a 2020 Land Rover Defender 110?

Addressing the tire pressure warning light on a 2020 Land Rover Defender 110 is an urgent matter that should not be overlooked by DIY vehicle owners. Ignoring this warning can lead to serious safety concerns, as improper tire pressure significantly affects the vehicle's handling and braking capabilities, increasing the risk of accidents. Additionally, driving on under-inflated tires can cause uneven wear, which not only shortens the lifespan of your tires but also diminishes fuel efficiency, leading to higher costs over time. The risk of tire damage, including blowouts, escalates when tire pressure is neglected, particularly when navigating rough terrains or high-speed conditions. Furthermore, maintaining the correct tire pressure is vital for optimal vehicle performance, ensuring better traction and a smoother driving experience. Therefore, it is crucial to check and adjust the tire pressure promptly to safeguard your safety, enhance tire longevity, and maintain the overall performance of your Land Rover Defender.

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