2017 Subaru Impreza Tire Pressure Warning Light Stays On

Troubleshooting the Tire Pressure Warning Light in Your 2017 Subaru Impreza: 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 2017 Subaru Impreza 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 Impreza 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 steps should I take to diagnose the tire pressure warning light issue on my 2017 Subaru Impreza?

When diagnosing the tire pressure warning light issue on your 2017 Subaru Impreza, it's essential to adopt a systematic approach that begins with the simplest solutions. Start by checking the tire pressure in all four tires using a reliable tire pressure gauge, ensuring they are inflated to the recommended levels specified in your owner's manual or on the sticker located inside the driver's side door jamb. Next, inspect each tire for visible damage, such as punctures or bulges, as these can lead to pressure loss and trigger the warning light. Additionally, look for any leaks around the tires and valve stems; a simple mixture of soap and water can help identify leaks, as bubbles will form where air escapes. If you've corrected the tire pressure but the warning light remains, consult your vehicle's manual for instructions on resetting the tire pressure monitoring system (TPMS). If the light persists despite these efforts, it may be time to seek professional assistance from a mechanic or dealership for a comprehensive diagnosis. By following this diagnostic approach, you can effectively troubleshoot the issue and ensure your vehicle's safety on the road.

What could be causing the tire pressure warning light to stay on in a 2017 Subaru Impreza?

When the tire pressure warning light stays on in your 2017 Subaru Impreza, it can be frustrating, but understanding the common problems can help you troubleshoot effectively. The most prevalent issue is low tire pressure, which is easily rectified by checking and inflating your tires to the recommended levels. If the tire pressure is adequate, consider the possibility of a faulty tire pressure sensor, which may need replacement. Additionally, sensor calibration issues can lead to persistent warning lights; recalibrating the sensors can often resolve this. Electrical faults within the tire pressure monitoring system might also be at play, requiring diagnostic testing to identify the specific problem. Lastly, keep in mind that environmental factors, such as extreme temperatures or rough terrain, can temporarily trigger the warning light, so checking the tire pressure and resetting the system may be necessary. By addressing these common issues, you can effectively manage the tire pressure warning light in your Subaru Impreza.

How urgent is it to address the tire pressure warning light that stays on in a 2017 Subaru Impreza?

Addressing the tire pressure warning light in your 2017 Subaru Impreza is not just a matter of convenience; it is a critical safety concern that requires immediate attention. When this warning light remains illuminated, it signals that your tires may be underinflated, which can severely compromise your vehicle's handling and braking capabilities. This instability increases the likelihood of accidents, making it essential to check your tire pressure as soon as possible. Additionally, driving on improperly inflated tires can lead to uneven wear, significantly shortening their lifespan and necessitating costly replacements. Furthermore, underinflated tires can negatively impact your fuel efficiency, leading to higher fuel expenses over time. Ignoring the warning can also result in more severe tire damage, such as blowouts, which pose serious safety risks and can lead to expensive repairs. Therefore, it is crucial to promptly check and adjust your tire pressure according to the manufacturer's specifications to ensure your safety and the longevity of your vehicle. Regular maintenance and monitoring of tire pressure are vital for optimal performance and peace of mind on the road.

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