2020 Nissan 370Z Tire Pressure Warning Light Stays On

Resolve Persistent Tire Pressure Warning Light in 2020 Nissan 370Z

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Reviewed by
Devin Cabugcal
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 2020 Nissan 370Z 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 2020 Nissan 370Z 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 in my 2020 Nissan 370Z?

When diagnosing the tire pressure warning light issue in your 2020 Nissan 370Z, it's essential to adopt a systematic approach that prioritizes simpler solutions before delving into more complex diagnostics. Begin by checking the tire pressure in all four tires using a reliable tire pressure gauge, ensuring they are inflated to the specifications outlined in your vehicle's manual. This initial step can often resolve the warning light if the pressure was simply low. Next, conduct a thorough inspection of each tire for any visible damage, such as punctures or foreign objects lodged in the tread, as these can also trigger the warning light. If the tire pressure is correct and no damage is found, consider resetting the tire pressure monitoring system, which can sometimes be necessary after fluctuations in pressure. However, if the warning light remains illuminated despite these efforts, it may indicate a more serious issue with the monitoring system itself, at which point consulting a mechanic or dealership for a professional diagnosis is advisable. By following this structured diagnostic approach, you can effectively address the tire pressure warning light issue and ensure your vehicle remains safe and roadworthy.

What could cause the tire pressure warning light to stay on in a 2020 Nissan 370Z?

When the tire pressure warning light stays on in your 2020 Nissan 370Z, it’s important to identify the underlying issues that may be causing this alert. The most frequent reason is low tire pressure, which can result from natural air loss or punctures; therefore, regularly checking and inflating your tires to the recommended levels is vital for safety and performance. Another common issue could be a faulty tire pressure sensor, which may need replacement if it’s not functioning correctly. Additionally, if you’ve recently changed or rotated your tires, the sensors might require recalibration to ensure accurate readings. Electrical faults within the tire pressure monitoring system can also trigger the warning light, and in such cases, diagnostic testing is necessary to determine the specific problem. Lastly, external factors such as debris or obstructions around the sensors can interfere with their operation, so it’s wise to inspect and clear any potential blockages. By understanding and addressing these common problems, you can troubleshoot the tire pressure warning light effectively, ensuring your Nissan 370Z remains safe and roadworthy.

How urgent is it to address the tire pressure warning light that stays on in a 2020 Nissan 370Z?

Addressing the tire pressure warning light in your 2020 Nissan 370Z 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 tire pressure may be below the recommended levels, which can severely compromise your vehicle's handling, braking, and overall stability. Driving on under-inflated tires not only increases the risk of a blowout but also leads to decreased fuel efficiency and accelerated tire wear, resulting in costly replacements. Moreover, the warning light could indicate a more serious issue, such as a tire puncture or leak, which, if left unchecked, could leave you stranded or cause an accident. Therefore, it is essential to regularly check your tire pressure, inflate your tires to the recommended specifications, and inspect for any visible damage. If the warning light persists after these checks, seeking the expertise of a qualified mechanic is crucial to ensure your vehicle remains safe and reliable on the road.

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