2025 Subaru WRX Tire Pressure Warning Light Stays On

Common Causes for the Tire Pressure Warning Light in Your 2025 Subaru WRX and How to Resolve Them

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Reviewed by
Andrew Hajjar
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 2025 Subaru WRX 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 2025 Subaru WRX 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.

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 steps should I take to diagnose the tire pressure warning light issue in my 2025 Subaru WRX?

To effectively diagnose the tire pressure warning light issue in your 2025 Subaru WRX, begin with the simplest and most straightforward checks. Start by verifying the tire pressure in all four tires using a reliable tire pressure gauge, ensuring that each tire is inflated to the levels recommended in your owner's manual. This initial step is crucial, as incorrect tire pressure is a common cause of warning lights. Next, conduct a visual inspection of the tires for any signs of damage, such as punctures, cuts, or bulges, which could indicate a more serious problem. If the tire pressure is correct and the tires appear undamaged, proceed to reset the tire pressure monitoring system as outlined in your owner's manual; this can often recalibrate the sensors and turn off the warning light. Additionally, inspect the valve stems for any signs of leaks or damage, as faulty valve stems can also lead to pressure issues. If, after these steps, the warning light remains illuminated, it may be time to consult a mechanic or dealership for a comprehensive diagnosis of the tire pressure monitoring system, as there could be underlying issues that require professional attention. By following this diagnostic approach, you can systematically address the warning light issue and ensure your vehicle's safety and performance.

What could cause the tire pressure warning light to remain on in a 2025 Subaru WRX?

When the tire pressure warning light remains on in a 2025 Subaru WRX, it can signal several underlying issues that DIY enthusiasts should investigate. The most common cause is low tire pressure, which can stem from slow leaks, temperature changes, or improper inflation. Regularly checking tire pressure with a reliable gauge is essential to ensure all tires are adequately inflated. If the pressure levels are normal, the problem may be linked to a faulty tire pressure sensor, which could be malfunctioning and failing to provide accurate readings. Inspecting the sensors for any visible damage or wear is a prudent step. Additionally, sensor calibration might be necessary if the readings seem off, as improper calibration can lead to persistent warning lights. Electrical issues, such as blown fuses or wiring problems, can also interfere with the tire pressure monitoring system, causing the light to stay illuminated. If all these aspects check out, it may indicate a malfunction within the tire pressure monitoring system itself, which would require professional diagnostic testing to identify and resolve. Addressing these issues promptly is vital for ensuring the safety and performance of your vehicle.

What should I do if the tire pressure warning light on my 2025 Subaru WRX stays on?

If the tire pressure warning light on your 2025 Subaru WRX stays illuminated, it is essential to take immediate action to ensure your safety and prevent potential damage to your vehicle. Neglecting this warning can lead to dangerous driving conditions, including decreased traction and increased tire wear, which may ultimately result in a tire blowout or other serious incidents. Begin by checking the tire pressure of all four tires using a reliable gauge, ensuring that they align with the manufacturer's recommended levels. If you discover any underinflated tires, inflate them to the proper pressure, as this straightforward step can often reset the tire pressure monitoring system and extinguish the warning light. Additionally, carefully inspect your tires for any visible damage, such as punctures or leaks, which could jeopardize their performance. If the warning light remains on after these initial checks, refer to your vehicle's manual for guidance on manually resetting the system. However, if the light continues to persist, it may signal a more significant issue with the tire pressure monitoring system itself, warranting a visit to a qualified mechanic or dealership for further diagnosis and repair. By addressing these concerns promptly, you not only enhance your safety on the road but also contribute to the overall longevity and performance of your Subaru WRX.

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