2017 Subaru Forester Tire Pressure Warning Light Stays On

Tire Pressure Warning Light in 2017 Subaru Forester: 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 2017 Subaru Forester 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 2017 Subaru Forester 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.

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 2017 Subaru Forester?

When faced with a tire pressure warning light that remains illuminated in your 2017 Subaru Forester, it's essential to adopt a systematic diagnostic approach. Begin by checking the tire pressure in all four tires, including the spare, ensuring they align with the manufacturer's recommended levels found on the door jamb or in the owner's manual. Next, inspect each tire for any visible damage such as punctures or bulges, as these can lead to pressure loss and trigger the warning light. If the tire pressures are correct and no damage is evident, consider resetting the tire pressure monitoring system (TPMS) as it may require recalibration after adjustments. Should the light persist, the issue may lie with a malfunctioning tire pressure sensor, which would necessitate further inspection or replacement by a professional. By following these steps, you can effectively diagnose the issue and determine whether a simple fix is possible or if professional assistance is needed.

What could cause the tire pressure warning light to stay on in a 2017 Subaru Forester?

When the tire pressure warning light stays on in your 2017 Subaru Forester, it’s crucial to identify the underlying issues to ensure your safety and vehicle performance. The most frequent cause is low tire pressure, which can be easily remedied by checking and inflating your tires to the recommended levels. If the pressure is adequate, consider the possibility of a faulty tire pressure sensor, which may need replacement to function correctly. Additionally, sensor calibration issues can prevent accurate readings, often requiring professional assistance for recalibration. Electrical faults within the tire pressure monitoring system can also trigger the warning light, necessitating diagnostic testing to pinpoint the problem. Lastly, ensure that the sensors are free from any obstructions or interference, as dirt or debris can disrupt their operation. By methodically addressing these common problems, you can effectively troubleshoot and resolve the persistent tire pressure warning light in your Subaru Forester.

What should I do if the tire pressure warning light stays on in my 2017 Subaru Forester?

When the tire pressure warning light remains illuminated in your 2017 Subaru Forester, it’s crucial to address the issue promptly to ensure your safety and prevent potential damage to your vehicle. Ignoring this warning can lead to unsafe driving conditions, such as reduced traction and increased tire wear, which may ultimately result in costly repairs. Start by checking the tire pressure in all four tires, as underinflation is a common cause for the warning light. If you find any tires that are below the recommended pressure, inflate them accordingly to help reset the tire pressure monitoring system. Additionally, inspect your tires for any visible damage, such as punctures or leaks, which could compromise their integrity. If the light persists after adjusting the pressure and inspecting for damage, consult your owner's manual for instructions on how to manually reset the system. Should the warning light continue to stay on, it may indicate a more serious issue with the tire pressure monitoring system itself, necessitating a visit to a qualified mechanic. Taking these steps not only enhances your vehicle's performance but also ensures your safety on the road.

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