2016 Lexus GS200t Tire Pressure Warning Light Stays On

Resolve Tire Pressure Warning Light in 2016 Lexus GS200t: 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 2016 Lexus GS200t 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 2016 Lexus GS200t 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 are the initial steps to diagnose a tire pressure warning light that stays on in a 2016 Lexus GS200t?

To effectively diagnose a tire pressure warning light that remains illuminated in your 2016 Lexus GS200t, start with the most straightforward solutions. First, check the tire pressure in all four tires, ensuring they are inflated to the manufacturer's recommended levels, as low pressure is a frequent culprit for this warning. Next, visually inspect each tire for any signs of damage, such as punctures or bulges, which could lead to air loss. After confirming the pressure, use a reliable tire pressure gauge to obtain accurate readings. If the pressure is correct and there are no visible issues, attempt to reset the tire pressure monitoring system, following the instructions in your owner's manual. If the warning light persists, it may indicate a malfunctioning sensor, which would require further investigation with a professional diagnostic tool. By systematically addressing these areas, you can effectively troubleshoot the issue and potentially resolve the warning light concern on your own.

What could be causing the tire pressure warning light to stay on in a 2016 Lexus GS200t?

When the tire pressure warning light stays on in a 2016 Lexus GS200t, it is essential to identify the underlying issues to ensure safe driving. The most frequent cause is low tire pressure, which can be easily remedied by checking and inflating the tires to the recommended levels. If the tire pressure is adequate, the problem may stem from a faulty tire pressure sensor that might need replacement. Additionally, sensor calibration issues can occur, requiring a professional to recalibrate the system for accurate readings. Electrical faults within the tire pressure monitoring system can also trigger the warning light, necessitating a diagnostic check to uncover the specific issue. Environmental factors, such as extreme temperatures or rough terrain, can temporarily affect tire pressure, so it’s advisable to reassess the tire pressure after such conditions. Promptly addressing these potential problems is crucial for maintaining vehicle safety and performance; if the warning light remains illuminated despite your efforts, consulting a qualified mechanic is the best course of action.

What immediate steps should be taken to address the tire pressure warning light that remains on in a 2016 Lexus GS200t?

When the tire pressure warning light remains illuminated in your 2016 Lexus GS200t, it is crucial to act promptly to avoid potential safety hazards and costly repairs. Begin by checking the tire pressure in all tires, including the spare, using a reliable tire pressure gauge. Ensuring that each tire is inflated to the manufacturer's recommended levels can often resolve the warning light issue. If you find any tires underinflated, inflate them accordingly. Next, conduct a thorough inspection for any visible damage such as punctures or bulges, as these can compromise tire integrity and safety. If you identify any damage, it may be necessary to repair or replace the affected tire. After addressing the tire pressure and any damage, reset the tire pressure monitoring system as outlined in your owner's manual to clear the warning light. However, if the light persists despite these efforts, it is essential to seek professional assistance, as there may be a deeper issue with the monitoring system that requires expert diagnosis. Taking these steps not only enhances your vehicle's performance but also ensures your safety on the road, making it imperative to address the warning light without delay.

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2016 Lexus GS200t Tire Pressure Warning Light Causes