2017 Subaru Outback Tire Pressure Warning Light Stays On

Tire Pressure Warning Light in 2017 Subaru Outback: 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 2017 Subaru Outback 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 Outback 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 Outback?

When diagnosing the tire pressure warning light issue on your 2017 Subaru Outback, it's essential to adopt a systematic approach that prioritizes simpler solutions before delving into more complex diagnostics. Begin by checking the tire pressure in all four tires using a reliable tire pressure gauge, ensuring they are inflated to the levels specified in your owner's manual. This initial step can often resolve the warning light if the tires are simply underinflated. Next, conduct a thorough inspection of each tire for visible damage, such as punctures or foreign objects lodged in the tread, as these can also trigger the warning light. If the tires are in good condition and properly inflated, consult your vehicle's manual to reset the tire pressure monitoring system (TPMS), as it may require a manual reset after adjustments. After making these checks and adjustments, take your Outback for a short drive; the warning light may turn off automatically once the system recognizes the corrected tire pressures. However, if the light remains illuminated despite these efforts, it may indicate a more serious issue with the TPMS itself, warranting a visit to a qualified mechanic for further diagnosis and repair. By following this structured approach, you can effectively troubleshoot the tire pressure warning light and ensure your vehicle's safety on the road.

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

When the tire pressure warning light stays on in a 2017 Subaru Outback, it can be a source of concern for drivers. One of the primary reasons for this warning is low tire pressure, which is easily remedied by checking and inflating the tires to the recommended levels. If the tire pressure is adequate, the issue may stem from a faulty tire pressure sensor that could require replacement. Additionally, the sensor's battery might be dead, necessitating a battery replacement to restore functionality. It's also important to consider that the tire pressure monitoring system may need recalibration, a process that can typically be done by following the vehicle's manual. Lastly, external factors such as extreme temperature changes or tire damage should be inspected, as these can also trigger the warning light. By addressing these common issues, you can effectively troubleshoot and resolve the tire pressure warning light concern in your Subaru Outback, ensuring a safer driving experience.

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

Addressing the tire pressure warning light in your 2017 Subaru Outback 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 stability. This increases the likelihood of accidents, especially in adverse driving conditions. Moreover, driving on improperly inflated tires accelerates uneven wear, leading to premature tire replacement, which can be a significant financial burden. Additionally, underinflated tires can decrease fuel efficiency, causing your vehicle to consume more gas and ultimately increasing your overall operating costs. Ignoring the warning can also result in more severe tire damage, such as blowouts, which not only pose a safety risk but can also lead to costly repairs. Therefore, it is essential to check your tire pressure regularly and address any discrepancies immediately to ensure your safety and the longevity of your vehicle.

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