2007 Subaru Outback Tire Pressure Warning Light Stays On

Tire Pressure Warning Light in 2007 Subaru Outback: Causes and Solutions

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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 2007 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 2007 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.

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 2007 Subaru Outback?

To effectively diagnose the tire pressure warning light issue in your 2007 Subaru Outback, start with the simplest solutions before progressing to more complex diagnostics. Begin by checking the tire pressure of all four tires, ensuring they are inflated to the recommended levels found on the driver’s side door jamb or in the owner’s manual. It's crucial to perform this check when the tires are cold, as pressure can fluctuate with temperature changes. After adjusting the tire pressure, take the vehicle for a drive at a speed of at least 25 mph for a few minutes; this allows the Tire Pressure Monitoring System (TPMS) to recalibrate and may reset the warning light if low pressure was the sole issue. If the light persists, inspect each tire for visible damage or leaks, as any punctures may require repair or replacement. Additionally, consider the age of the TPMS sensors, as their batteries typically last around six years; if they are nearing this age, replacement may be necessary. If the warning light continues to illuminate, it could indicate a malfunction within the TPMS itself, which may require the use of diagnostic tools like the Subaru Select Monitor to identify specific sensor issues. Should these steps not resolve the problem, consulting a professional at a Subaru dealership or a reputable tire shop is advisable for a thorough diagnosis and repair. By following this structured approach, you can efficiently address the tire pressure warning light issue in your vehicle.

What could cause the tire pressure warning light to stay on in a 2007 Subaru Outback?

When the tire pressure warning light stays on in your 2007 Subaru Outback, it can be frustrating, but understanding the common problems can help you troubleshoot effectively. One of the primary culprits is low tire pressure, which is easily remedied by checking and inflating your tires to the recommended levels. If the light persists after adjusting the pressure, it may indicate malfunctioning tire pressure sensors, particularly if the light blinks before staying on, suggesting that the sensor batteries could be dead. Additionally, if you've recently rotated or replaced your tires, the TPMS may require a reset to recognize the new sensor IDs. Environmental factors, such as extreme cold or interference from radio signals, can also affect the system's performance. Lastly, inspect for any damaged tires or sensors, as physical issues can trigger the warning light. By systematically addressing these potential problems, you can often resolve the issue without needing professional assistance.

How urgent is it to address the tire pressure warning light that stays on in a 2007 Subaru Outback?

When the tire pressure warning light remains illuminated in your 2007 Subaru Outback, it is crucial to address the situation promptly to ensure your safety and the longevity of your vehicle. Ignoring this warning can lead to serious consequences, such as reduced fuel efficiency, uneven tire wear, and an increased risk of tire blowouts, which can compromise your safety on the road. Start by checking the tire pressures and adjusting them to the recommended levels found on the driver’s side door jamb or in the owner’s manual. If the light continues to stay on after confirming proper tire inflation, it may indicate a malfunction in the Tire Pressure Monitoring System (TPMS), possibly due to faulty sensors or dead batteries, especially considering the age of your vehicle. In such cases, replacing the sensors or recalibrating the system may be necessary to restore its functionality. While it might be tempting to ignore the light and rely on manual checks, addressing the underlying issue ensures that your TPMS can effectively alert you to any future tire pressure problems, ultimately safeguarding your driving experience.

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