2014 INFINITI Q50 Tire Pressure Warning Light Stays On

Resolve Tire Pressure Warning Light in 2014 INFINITI Q50: Causes and Solutions

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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 2014 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 2014 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 2014 INFINITI Q50?

To effectively diagnose the tire pressure warning light on your 2014 INFINITI Q50, begin by checking the tire pressure in all four tires using a reliable tire pressure gauge. Ensure that each tire is inflated to the recommended levels specified in your vehicle's manual, as improper inflation is a common cause of warning lights. Next, conduct a thorough visual inspection of the tires for any signs of damage, such as punctures, cuts, or bulges, and remove any foreign objects that may be lodged in the tread. If the tire pressure is correct and the tires appear undamaged, proceed to reset the tire pressure monitoring system following the instructions in your owner's manual, as this can sometimes resolve temporary issues. However, if the warning light remains illuminated after these steps, it may indicate a more serious problem with the tire pressure monitoring system itself, at which point consulting a professional mechanic or dealership for a comprehensive diagnosis is recommended. By following this methodical approach, you can efficiently troubleshoot the issue and ensure your vehicle's safety on the road.

What could cause the tire pressure warning light to stay on in a 2014 INFINITI Q50?

When the tire pressure warning light stays on in a 2014 INFINITI Q50, it can indicate several underlying issues that require attention. The most frequent cause is low tire pressure, which can result from punctures, leaks, or the natural loss of air over time. Regularly checking tire pressure is essential for safe driving and optimal vehicle performance. Another possibility is a malfunctioning tire pressure sensor; if the sensor is defective, it may not accurately report tire pressure levels, leading to the warning light remaining illuminated. Additionally, the sensors have batteries that can wear out, necessitating replacement to ensure they function correctly. Calibration issues may also arise, where the tire pressure monitoring system needs recalibration to provide accurate readings. Lastly, electrical or wiring problems can interfere with the communication between the sensors and the vehicle's computer, causing the warning light to persist. It is important to address these issues promptly to maintain vehicle safety, and consulting a professional mechanic or the vehicle's manual can offer valuable troubleshooting and maintenance advice.

How urgent is it to address the tire pressure warning light on my 2014 INFINITI Q50?

Addressing the tire pressure warning light on your 2014 INFINITI Q50 is not just a matter of convenience; it is a critical safety concern that requires immediate attention. Ignoring this warning can lead to serious consequences, including compromised handling and braking, which can significantly increase the risk of accidents. Underinflated tires not only diminish your vehicle's fuel efficiency but also accelerate tire wear, leading to costly replacements. Moreover, the danger of a blowout escalates with low tire pressure, particularly at high speeds, posing a severe threat to your safety and that of others on the road. By promptly checking and adjusting your tire pressure, you ensure optimal vehicle performance, enhance your driving experience, and extend the lifespan of your tires. Therefore, it is essential to take the tire pressure warning seriously and act swiftly to maintain both your safety and the integrity of your vehicle.

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