2025 Lexus NX350 Tire Pressure Warning Light Stays On

Resolve Tire Pressure Warning Light in 2025 Lexus NX350: Causes and Solutions

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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 2025 Lexus NX350 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 2025 Lexus NX350 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.

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 are the initial steps to diagnose a persistent tire pressure warning light on a 2025 Lexus NX350?

To effectively diagnose a persistent tire pressure warning light on your 2025 Lexus NX350, start with the simplest and most common issues. Begin by checking the tire pressure of all four tires, ensuring they are inflated to the manufacturer's recommended levels, as low pressure is often the primary culprit behind the warning light. Next, visually inspect each tire for any signs of damage, such as punctures or cuts, which could indicate a slow leak. If the tires appear to be in good condition, proceed to reset the tire pressure monitoring system following the instructions in your vehicle's manual; this can sometimes resolve the issue if it was triggered erroneously. To confirm the accuracy of your findings, use a reliable tire pressure gauge to double-check the pressure readings. Lastly, don’t overlook the spare tire, as its pressure can also affect the warning system. By systematically addressing these areas, you can effectively diagnose and potentially resolve the tire pressure warning light issue on your Lexus NX350.

What could cause the tire pressure warning light to remain on in a 2025 Lexus NX350?

When the tire pressure warning light remains on in a 2025 Lexus NX350, it can signal several underlying issues that DIYers can effectively address. The most common reason is low tire pressure, which can be easily checked with a tire pressure gauge; ensuring all tires are inflated to the recommended levels is essential for safe driving. If tire pressure is adequate, the problem may stem from a faulty tire pressure sensor that might need replacement or recalibration. Additionally, some sensors are powered by batteries that can deplete over time, leading to a persistent warning light. It's also wise to inspect the wiring and connections of the tire pressure monitoring system, as any damage or loose connections can trigger alerts. If everything appears normal, recalibrating the tire pressure monitoring system could resolve the issue. By promptly addressing these potential problems, you can enhance your vehicle's safety and maintain optimal performance on the road.

What should I do if the tire pressure warning light on my 2025 Lexus NX350 stays on?

When the tire pressure warning light on your 2025 Lexus NX350 remains illuminated, it is crucial to take immediate action to ensure your safety and the longevity of your vehicle. Ignoring this warning can lead to decreased traction, increased tire wear, and even tire blowouts, which pose significant risks while driving. Start by checking the tire pressure of all four tires with a reliable gauge, ensuring they are inflated to the recommended levels found in your owner's manual. If you discover any underinflated tires, inflate them accordingly to mitigate the warning light issue. Additionally, inspect your tires for any visible damage, such as punctures or bulges, as these can compromise your safety and require urgent repair or replacement. After addressing any pressure discrepancies or damage, it may be necessary to reset the tire pressure monitoring system, which can typically be done through your vehicle's onboard menu. If the warning light persists despite these efforts, seeking professional assistance from a certified mechanic or a Lexus dealership is advisable to prevent further complications. By taking these steps promptly, you can maintain safe driving conditions and protect your vehicle from potential damage.

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