2015 Mazda 6 Tire Pressure Warning Light Stays On

Resolve Tire Pressure Warning Light in 2015 Mazda 6: 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 2015 Mazda 6 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 2015 Mazda 6 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.

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 in my 2015 Mazda 6?

To effectively diagnose the tire pressure warning light issue in your 2015 Mazda 6, 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 vehicle's manual. If the pressure is low, use a tire inflator to bring them up to the correct specifications. Next, inspect the tires for any visible damage, such as punctures or bulges, which could indicate a leak. Don’t forget to examine the valve stems for any signs of wear or leaks, as these can also contribute to pressure loss. Once you have addressed any issues with tire pressure and condition, you may need to reset the Tire Pressure Monitoring System (TPMS) to recalibrate it and turn off the warning light. If the light remains illuminated after these steps, it may be time to consult a professional mechanic to investigate potential problems with the TPMS sensors or system. This methodical approach not only helps in identifying the issue but also ensures that you cover all bases before seeking professional assistance.

What could be causing the tire pressure warning light to stay on in a 2015 Mazda 6?

When the tire pressure warning light remains illuminated in your 2015 Mazda 6, it can be a source of concern, but understanding the common problems can help you diagnose the issue. One of the primary culprits is low tire pressure, which can easily be checked with a tire pressure gauge. Ensuring that all tires are inflated to the manufacturer's recommended levels is a straightforward first step. If the pressure is adequate, the problem may lie with a faulty tire pressure sensor. These sensors can malfunction over time, and if you suspect this is the case, a replacement may be necessary. Additionally, some sensors are powered by batteries that can deplete, leading to a similar warning. If neither of these solutions resolves the issue, it may indicate a more complex problem within the tire pressure monitoring system itself, which could require a diagnostic scan to pinpoint the malfunction. Addressing these issues promptly is crucial for maintaining your vehicle's safety and performance, so if you're unable to resolve the warning light on your own, seeking professional assistance is advisable.

How urgent is it to address the tire pressure warning light that stays on in a 2015 Mazda 6?

Addressing the tire pressure warning light in your 2015 Mazda 6 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 is particularly dangerous in adverse weather conditions, where the risk of accidents increases significantly. Furthermore, driving on improperly inflated tires can lead to uneven wear, drastically shortening their lifespan and potentially resulting in a blowout, which poses a serious hazard to you and other road users. Additionally, underinflated tires can negatively impact your vehicle's fuel efficiency, leading to higher fuel costs over time. Ignoring the warning light may also indicate a malfunction in the Tire Pressure Monitoring System (TPMS), which could require costly repairs if not addressed promptly. Therefore, it is essential to check your tire pressure regularly and seek professional assistance if the warning light persists, ensuring both your safety and the longevity of your vehicle.

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