2021 Honda Civic Tire Pressure Warning Light Stays On

Tire Pressure Warning Light in 2021 Honda Civic: 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 Honda Civic 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 Honda Civic 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 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 Honda Civic?

When faced with a tire pressure warning light that remains illuminated in your 2021 Honda Civic, 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. Ensuring that each tire is inflated to the manufacturer's recommended PSI can often resolve the issue, as low tire pressure is a frequent culprit. Next, inspect the tires for any visible damage, such as punctures or bulges, which could indicate a slow leak. If the tire pressure is adequate and no damage is found, consider resetting the tire pressure monitoring system (TPMS) as outlined in your vehicle's manual, as this can sometimes clear persistent warning lights. If the light remains on, it may signal a malfunctioning tire pressure sensor, which would require professional diagnosis and potential replacement. By following these steps, you can effectively troubleshoot the warning light and determine whether a simple fix or further assistance is needed.

What could be causing the tire pressure warning light to remain on in a 2021 Honda Civic?

When the tire pressure warning light remains illuminated in your 2021 Honda Civic, it’s essential to understand the common problems that could be causing this issue. One of the primary culprits is low tire pressure, which can easily be checked and adjusted to the manufacturer’s recommended levels. If the pressure is adequate, consider the possibility of a faulty tire pressure sensor, which may require replacement to restore proper functionality. Additionally, sensor calibration issues can arise, necessitating a recalibration process that can typically be performed at a dealership or by a qualified technician. Another potential cause is a leaking tire; inspecting for punctures or damage is crucial, as even a small leak can lead to significant pressure loss. Lastly, don’t overlook the possibility of faulty wiring or connections within the tire pressure monitoring system, as damaged or loose connections can also trigger the warning light. By systematically addressing these common problems, you can effectively troubleshoot the issue and ensure your vehicle’s safety on the road.

How urgent is it to address the tire pressure warning light that stays on in a 2021 Honda Civic?

Addressing the tire pressure warning light in a 2021 Honda Civic is not just a matter of convenience; it is a critical safety concern that should be prioritized. When this warning light remains illuminated, it signals that the tire pressure may be below the recommended levels, which can severely compromise the vehicle's handling and braking capabilities. Underinflated tires can lead to increased fuel consumption and accelerate tire wear, resulting in costly replacements. Moreover, ignoring this warning could indicate a more serious issue, such as a tire leak or puncture, which poses a significant risk of a flat tire or blowout while driving. This not only endangers the driver and passengers but also other road users. Therefore, it is essential to check the tire pressure immediately and make necessary adjustments or consult a mechanic to ensure the vehicle remains safe and performs optimally. Taking prompt action can prevent further complications and enhance the longevity of your tires, ensuring a smoother and safer driving experience.

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