2009 Mazda 5 Tire Pressure Warning Light Stays On

Common Causes for the Tire Pressure Warning Light in Your 2009 Mazda 5 and How to Resolve Them

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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 2009 Mazda 5 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 2009 Mazda 5 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.

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.

Wheels offer very few symptoms, but these symptoms should never be ignored. Visible cracks on the wheels may appear, especially after hitting a large bump, Most often, this will also be accompanied by loss of air from the tire on that wheel. Also, vibration in the steering wheel is very common when the tire is out of balance, and improper wheel nuts or bolts can cause creaking and popping noises to develop. Again, there are very few symptoms, but they should not be ignored.

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 2009 Mazda 5?

To effectively diagnose the tire pressure warning light issue on your 2009 Mazda 5, begin with a straightforward approach that prioritizes simpler solutions before delving into more complex diagnostics. Start by checking the tire pressure in all four tires using a reliable tire pressure gauge, ensuring they are inflated to the levels recommended in your owner's manual. Next, conduct a thorough visual inspection of each tire for any signs of damage, such as punctures or bulges, and look for any foreign objects that may be causing a leak. If the tire pressure is correct and the tires appear undamaged, proceed to reset the tire pressure monitoring system (TPMS) as some vehicles require this step after adjustments. If the warning light remains illuminated, utilize a diagnostic tool to scan for fault codes related to the TPMS, which can help identify any underlying issues. Additionally, inspect the TPMS sensors on each tire to confirm they are functioning properly, as faulty sensors can also trigger the warning light. If these steps do not resolve the issue, it may be time to seek assistance from a certified mechanic or dealership for a comprehensive inspection and repair. By following this methodical approach, you can efficiently diagnose and address the tire pressure warning light concern.

What are the common problems that could cause the tire pressure warning light to stay on in a 2009 Mazda 5?

When the tire pressure warning light remains illuminated in a 2009 Mazda 5, it often indicates several potential issues that can be addressed through DIY troubleshooting. The most frequent culprit is low tire pressure, which can easily be checked with a tire pressure gauge; simply inflate the tires to the manufacturer's recommended levels if they are found to be under-inflated. If the tire pressure is adequate, the problem may lie with a faulty tire pressure sensor, which could be malfunctioning or require a battery replacement, as these sensors are equipped with batteries that can deplete over time. Additionally, if the sensor is damaged or has internal issues, it may not provide accurate readings, leading to the warning light staying on. In some cases, recalibrating the tire pressure monitoring system as outlined in the vehicle's manual can resolve the issue. Lastly, it’s wise to inspect for any electrical problems, such as wiring faults, that could affect the system's performance. By systematically checking these areas, you can effectively diagnose and potentially fix the reason behind the persistent warning light.

How urgent is it to address the tire pressure warning light that stays on in a 2009 Mazda 5?

Addressing the tire pressure warning light in a 2009 Mazda 5 is of utmost urgency due to the significant safety risks and potential vehicle damage it poses. When this warning light remains illuminated, it indicates that one or more tires may be underinflated, which can severely compromise the vehicle's handling and braking capabilities. This is particularly dangerous in adverse weather conditions, where the risk of accidents increases dramatically. Additionally, driving on underinflated tires can lead to uneven wear, necessitating costly premature tire replacements. Furthermore, low tire pressure negatively impacts fuel efficiency, resulting in higher fuel costs over time. Perhaps most concerning is the risk of tire damage, which can escalate to a blowout if left unaddressed. Therefore, it is crucial to check and adjust tire pressure according to the manufacturer's specifications immediately upon noticing the warning light, or to consult a professional for assistance to ensure both safety and vehicle longevity.

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