2017 Mazda CX-9 Tire Pressure Warning Light Stays On

Resolve Tire Pressure Warning Light in 2017 Mazda CX-9

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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 2017 Mazda CX-9 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 2017 Mazda CX-9 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 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 in my 2017 Mazda CX-9?

To effectively diagnose the tire pressure warning light issue in your 2017 Mazda CX-9, begin with a thorough check of the tire pressure in all four tires using a reliable tire pressure gauge. Ensure that each tire is inflated to the recommended levels outlined in your vehicle's manual, as improper inflation is a common cause of warning lights. Next, inspect the tires for any visible damage, such as punctures, cuts, or bulges, which could indicate a more serious problem. If the tire pressure appears correct and the tires are in good condition, consider resetting the tire pressure monitoring system, as temporary fluctuations can sometimes trigger the warning light. Additionally, examine the valve stems for any signs of damage or leaks, as faulty valve stems can also lead to pressure issues. If, after these steps, the warning light remains illuminated, it may be time to consult a mechanic or dealership for a more in-depth inspection of the tire pressure monitoring system to identify any underlying faults or malfunctions. By following this diagnostic approach, you can systematically address the issue and ensure your vehicle's safety on the road.

What could be causing the tire pressure warning light to stay on in a 2017 Mazda CX-9?

When the tire pressure warning light remains on in your 2017 Mazda CX-9, it’s essential to consider several common problems that could be at play. The most frequent culprit is low tire pressure, which can easily be checked and adjusted using a tire pressure gauge. If the pressure is within the recommended range and the light persists, the issue may lie with a faulty tire pressure sensor. These sensors can malfunction and may require replacement to restore proper functionality. Additionally, the sensor batteries can deplete over time, leading to a similar warning; replacing the battery could resolve the issue. Electrical problems, such as wiring faults or blown fuses, can also trigger the warning light, necessitating a thorough inspection of the vehicle’s electrical system. Lastly, if the tire pressure monitoring system has not been calibrated correctly, it may provide inaccurate readings, prompting the need for recalibration. By systematically addressing these potential issues, you can effectively troubleshoot the persistent tire pressure warning light in your Mazda CX-9.

How urgent is it to address the tire pressure warning light on a 2017 Mazda CX-9 that stays on?

Addressing the tire pressure warning light on your 2017 Mazda CX-9 is not just a matter of convenience; it is a critical safety concern that requires immediate attention. When this light remains illuminated, it signals that your tires may be underinflated, which can severely compromise your vehicle's handling and braking capabilities. This increases the likelihood of accidents, particularly in emergency situations where quick response is essential. Additionally, driving on underinflated tires accelerates uneven wear, leading to premature tire replacement and unnecessary expenses. Moreover, low tire pressure can significantly reduce your vehicle's fuel efficiency, resulting in higher fuel costs over time. The risk of tire damage, including blowouts, also escalates when tires are not properly inflated. Therefore, it is crucial to check your tire pressure, inflate them to the recommended levels, and inspect for any leaks or punctures as soon as the warning light activates. If the light persists despite these measures, it may indicate a more serious underlying issue that warrants professional evaluation. Taking prompt action not only ensures your safety but also protects your vehicle from potential damage and costly repairs.

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