2009 Saturn Aura Tire Pressure Warning Light Stays On

Common Causes for the Tire Pressure Warning Light in Your 2009 Saturn Aura and How to Resolve It

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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 2009 Saturn Aura 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 tire 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 2009 Saturn Aura 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 tire pressure monitoring sensor fails, the tire pressure monitoring system control module will recognize a loss in communication and turn on the warning lamp which indicates the failure. This is most often the case. However, the tire pressure monitoring sensor may also fail by reporting incorrect tire pressures. This could cause a flat tire to go unrecognized, or a properly inflated tire to signal a low or high tire pressure warning.

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 2009 Saturn Aura?

To effectively diagnose the tire pressure warning light issue in your 2009 Saturn Aura, start with a systematic approach that prioritizes simpler checks before moving on to more complex diagnostics. Begin by inspecting your tires for any visible leaks, as a common cause for the warning light is a tire that is losing air. Next, assess the condition of all wheels to ensure they are properly holding air; a damaged wheel can also trigger the warning light. If the tires appear to be in good shape, check the functionality of the Tire Pressure Monitoring System (TPMS) sensors, as a malfunction here could be the culprit. If you've recently changed a tire, remember to reset the TPMS by adjusting the tire pressure to the recommended levels. In cases where the warning light persists, you may need to relearn the TPMS by following specific steps involving the ignition and parking brake. Regularly monitoring your tire pressure is crucial, as fluctuations, especially in colder weather, can lead to intermittent warning lights. If these steps do not resolve the issue, consulting a professional mechanic is advisable to ensure a thorough inspection and accurate diagnosis. By following this structured approach, you can effectively troubleshoot the tire pressure warning light in your vehicle.

What could cause the tire pressure warning light to remain on in a 2009 Saturn Aura?

When the tire pressure warning light remains illuminated in a 2009 Saturn Aura, it is crucial to investigate several common problems that could be at play. One of the primary reasons for this warning light is underinflated tires, which can compromise vehicle safety and performance. Regularly checking tire pressure and ensuring that all tires are inflated to the recommended levels is essential. Additionally, fluctuating ambient temperatures can affect tire pressure, causing the light to activate unexpectedly. If the tires are properly inflated yet the light persists, it may indicate a tire or wheel that is leaking air, which can occur due to punctures or damaged seals. Furthermore, a malfunction within the Tire Pressure Monitoring System (TPMS) itself or issues with the tire pressure sensors can also lead to a continuous warning light. For DIY enthusiasts, it is advisable to start by checking tire pressures, inspecting for visible leaks, and considering a diagnostic check of the TPMS to identify and resolve the underlying issue effectively.

How urgent is it to address the tire pressure warning light that stays on in a 2009 Saturn Aura?

Addressing the tire pressure warning light that remains illuminated in a 2009 Saturn Aura is of utmost importance due to the serious safety implications it presents. When this warning light stays on, it often signals that tire pressure is critically low, which can lead to tire failure and significantly compromise vehicle handling. Ignoring this warning can result in increased tire wear, reduced fuel efficiency, and even catastrophic blowouts, all of which pose a serious risk to both the driver and other road users. Common causes for the light to remain on include underinflated tires, temperature fluctuations, or malfunctioning tire pressure monitoring sensors. Therefore, it is essential for drivers to take immediate action by safely pulling over to check tire pressures and inspect for any visible damage. Consulting the vehicle's owner's manual for guidance on resetting the tire pressure light or utilizing a diagnostic tool can also be beneficial. By addressing this warning promptly, drivers can ensure their safety, prolong the life of their tires, and maintain optimal vehicle performance.

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2009 Saturn Aura Tire Pressure Warning Light | RepairPal