2015 INFINITI Q50 Tire Pressure Warning Light Stays On

Common Causes for the Tire Pressure Warning Light in Your 2015 INFINITI Q50 and How to Resolve Them

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Reviewed by
Aisha
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 INFINITI Q50 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 INFINITI Q50 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 2015 INFINITI Q50?

When diagnosing the tire pressure warning light issue on your 2015 INFINITI Q50, it's crucial to follow a methodical approach that emphasizes simpler solutions first. Start by checking the tire pressure in all four tires using a reliable gauge, ensuring they are inflated to the levels specified in your vehicle's manual, as under-inflation is a common cause for the warning light. Next, inspect each tire for any visible damage, such as punctures, cuts, or bulges, and look for any debris lodged in the tread that could lead to a leak. If the tire pressure is adequate and no damage is detected, proceed to reset the tire pressure monitoring system, as temporary glitches can sometimes trigger the warning light. Should the light persist after these checks, it may indicate a more serious issue with the monitoring system itself, which would require the expertise of a qualified mechanic for a thorough diagnosis. By systematically addressing these potential issues, you can effectively troubleshoot the tire pressure warning light and ensure your vehicle remains safe and reliable on the road.

What could be causing the tire pressure warning light to stay on in a 2015 INFINITI Q50?

When the tire pressure warning light stays on in a 2015 INFINITI Q50, it’s important to identify the underlying issues to ensure safe driving. The most frequent cause is low tire pressure, which can result from natural air loss or changes in temperature. Regularly checking and maintaining the recommended tire pressure can often resolve this issue. Another possibility is a faulty tire pressure sensor; if the sensor is not functioning correctly, it may need to be replaced. Additionally, if the tires have been rotated or replaced, recalibrating the sensors might be necessary to ensure accurate readings. It's also vital to inspect the tires for any leaks or damage, as punctures can lead to air loss and trigger the warning light. Lastly, problems with the wiring or control module that connects the sensors can result in persistent alerts, which may require professional diagnosis. By addressing these common problems promptly, you can enhance your vehicle's performance and ensure your safety on the road.

How urgent is it to address the tire pressure warning light that stays on in a 2015 INFINITI Q50?

Addressing the tire pressure warning light in your 2015 INFINITI Q50 is not just a matter of convenience; it is a critical safety issue that requires immediate attention. Ignoring this warning can lead to serious safety concerns, as improper tire pressure significantly affects your vehicle's handling and braking capabilities, increasing the risk of accidents. Additionally, neglecting to check and adjust your tire pressure can result in uneven tire wear, which not only shortens the lifespan of your tires but also raises the likelihood of a blowout while driving. Furthermore, underinflated tires can severely impact your fuel efficiency, leading to higher fuel costs over time. To ensure optimal performance and safety, it is essential to regularly monitor your tire pressure and address any warning lights promptly. Taking these steps will help maintain your vehicle's handling and performance, especially in critical driving situations, making it imperative to act swiftly when the tire pressure warning light remains illuminated.

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