Mazda 6 Tire Pressure Warning Light Stays On

Common Causes for the Tire Pressure Warning Light in Your Mazda 6 and How to Resolve Them

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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 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 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.

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.

Troubleshooting Tire Pressure Warning Light in a Mazda 6

When faced with the tire pressure warning light in your Mazda 6, the first step is to check the tire pressure of all tires, including the spare, to ensure they are inflated to the manufacturer's recommended levels. This simple action can often resolve the issue, as the light may illuminate due to under-inflation. If the tire pressures are correct and the light remains on, it’s advisable to avoid driving the vehicle until the problem is diagnosed, as driving on under-inflated tires can lead to serious safety hazards. For a more in-depth analysis, consider using a TPMS diagnostic scanner, which can help identify specific error codes and pinpoint any faulty sensors. Understanding that the TPMS light serves as a critical alert for tire pressure irregularities is essential; thus, regular maintenance, including checking tire pressures monthly and before long trips, can prevent future occurrences. By following these steps, you can effectively troubleshoot the tire pressure warning light and maintain the safety and performance of your Mazda 6.

Troubleshooting Tire Pressure Warning Light in a Mazda 6

When dealing with the tire pressure warning light in your Mazda 6, it's crucial to understand the common problems that may cause this alert. One frequent issue is simply low tire pressure, which can occur due to temperature changes or slow leaks. Regularly checking your tire pressure can help you catch this problem early. Another potential cause is a malfunctioning Tire Pressure Monitoring System (TPMS) sensor, which may fail to accurately read the tire pressure, leading to false warnings. Additionally, if you've recently changed your tires or had them rotated, the TPMS may need to be reset to recognize the new tire positions. In some cases, the warning light may illuminate due to a damaged tire, which could be a puncture or sidewall issue that requires immediate attention. By being aware of these common problems and addressing them promptly, you can maintain optimal tire performance and ensure your safety on the road.

Why is the Tire Pressure Warning Light Staying On in a Mazda 6?

When the Tire Pressure Warning Light remains illuminated in your Mazda 6, it is crucial to take immediate action. This warning signals that one or more tires may be under-inflated, which can significantly compromise your vehicle's handling and safety. Ignoring this warning can lead to tire blowouts, decreased fuel efficiency, and increased wear on your tires, ultimately resulting in costly repairs. Additionally, a malfunctioning Tire Pressure Monitoring System (TPMS) can prevent you from accurately assessing tire health, further exacerbating the risk of driving with unsafe tire conditions. Therefore, it is essential to check your tire pressure regularly, inspect for leaks, and ensure that your TPMS is functioning correctly to maintain optimal driving safety and performance. Addressing these issues promptly not only protects your vehicle but also ensures your safety on the road.

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