2020 Honda Pilot Tire Pressure Warning Light Stays On

Tire Pressure Warning Light in 2020 Honda Pilot: Causes and Solutions

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Reviewed by
Aisha
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 Honda Pilot 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 Honda Pilot 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 2020 Honda Pilot?

When faced with a tire pressure warning light that remains illuminated in your 2020 Honda Pilot, it's essential to adopt a systematic diagnostic approach. Begin by checking the tire pressure in all four tires, including the spare, using a reliable tire pressure gauge to ensure they meet the manufacturer's recommended PSI levels. Next, conduct a thorough visual inspection of each tire for any signs of damage, such as punctures or bulges, which could indicate a loss of pressure. If the tire pressures are correct and no visible damage is found, attempt to reset the tire pressure monitoring system, as this can often clear false alerts. Additionally, inspect the valve stems for any leaks or damage, as compromised valve stems can also trigger the warning light. If the light persists after these checks, utilizing a diagnostic tool to scan for fault codes related to the tire pressure monitoring system can provide deeper insights into the issue. By following this structured approach, you can effectively diagnose and address the tire pressure warning light in your Honda Pilot.

What could be causing the tire pressure warning light to stay on in a 2020 Honda Pilot?

When the tire pressure warning light stays on in your 2020 Honda Pilot, it’s important to identify the underlying issues to ensure safe driving. One of the most frequent causes is low tire pressure, which can result from natural air loss or changes in temperature. Regularly checking and inflating your tires to the manufacturer’s recommended levels is essential for optimal performance. Another possibility is a malfunctioning tire pressure sensor; if this component is faulty, it may need to be replaced to restore accurate readings. Additionally, the sensors might require recalibration, especially after tire rotation or replacement, to ensure they function correctly. Environmental factors, such as extreme temperature changes, can also affect tire pressure, so it’s wise to monitor and adjust accordingly. If you suspect a leak, inspect your tires for any visible punctures or damage, as this can lead to a significant drop in pressure. Lastly, issues with the wiring or connections in the tire pressure monitoring system could also be the culprit, necessitating a more detailed inspection. By addressing these common problems, you can effectively troubleshoot the tire pressure warning light issue in your Honda Pilot and maintain safe driving conditions.

How urgent is it to address the tire pressure warning light that stays on in a 2020 Honda Pilot?

Addressing the tire pressure warning light that remains illuminated in your 2020 Honda Pilot is crucial for several reasons. First and foremost, low tire pressure can significantly compromise your vehicle's handling and braking capabilities, which poses a serious safety risk, especially during sudden maneuvers or emergency situations. Additionally, driving on underinflated tires can lead to uneven wear, drastically shortening their lifespan and increasing the likelihood of a blowout, which can be dangerous on the road. Furthermore, neglecting this warning can negatively impact your fuel efficiency, leading to higher fuel costs over time as your engine works harder to compensate for the lack of proper tire pressure. Lastly, the tire pressure monitoring system (TPMS) is designed to alert you to potential tire issues, and ignoring this warning could indicate a malfunction within the system itself. Therefore, it is essential to check and adjust your tire pressure promptly or consult a professional to ensure your safety and the longevity of your vehicle.

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