2016 Lexus LS600h Tire Pressure Warning Light Stays On

Resolve Tire Pressure Warning Light in 2016 Lexus LS600h: 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 2016 Lexus LS600h 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 LS600h 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 2016 Lexus LS600h?

To effectively diagnose the tire pressure warning light issue in your 2016 Lexus LS600h, begin with a systematic approach that prioritizes simpler solutions before moving on to more complex diagnostics. Start by checking the tire pressure in all four tires using a reliable tire pressure gauge, ensuring they are inflated to the levels recommended in your vehicle's manual. Next, conduct a thorough inspection of each tire for any visible damage, such as punctures or foreign objects that may be affecting the tire's integrity. If the tire pressure is correct and the tires appear undamaged, proceed to reset the tire pressure monitoring system, as this can often clear false warnings. If the warning light remains illuminated after these steps, it may be time to consult a mechanic or authorized service center for a more detailed diagnosis, as they have the specialized tools necessary to identify underlying issues. By following this structured diagnostic approach, you can efficiently address the tire pressure warning light and ensure your vehicle's safety and performance.

What could be causing the tire pressure warning light to stay on in a 2016 Lexus LS600h?

When the tire pressure warning light remains illuminated in a 2016 Lexus LS600h, it can be attributed to several common problems that DIYers can investigate. First and foremost, low tire pressure is often the culprit; checking and inflating all tires to the manufacturer’s recommended levels is a straightforward first step. If the pressure is adequate, the issue may lie with a faulty tire pressure sensor, which could require recalibration or replacement. Additionally, the sensor batteries might be low, leading to inaccurate readings, so replacing them could resolve the warning light issue. It's also essential to inspect the wiring and connections associated with the tire pressure monitoring system, as any damage or loose connections can trigger the light. Environmental factors, such as significant temperature fluctuations, can affect tire pressure readings, so checking the pressure when the tires are cold is advisable. Lastly, if all else fails, a malfunction within the tire pressure monitoring system itself may be the cause, necessitating further diagnosis and repair. By systematically addressing these potential issues, DIY enthusiasts can effectively troubleshoot the persistent tire pressure warning light in their Lexus LS600h.

What immediate actions should be taken if the tire pressure warning light remains on in a 2016 Lexus LS600h?

When the tire pressure warning light remains illuminated in your 2016 Lexus LS600h, it is crucial to act swiftly to avoid compromising your safety and vehicle performance. Ignoring this warning can lead to dangerous driving conditions, such as reduced traction and increased tire wear, which may ultimately result in a blowout. Start by checking the tire pressure in all four tires with a reliable gauge, ensuring they meet the manufacturer's specifications found in your owner's manual or on the door jamb. If you discover any tires are underinflated, promptly inflate them to the correct levels using a dependable air compressor. Additionally, inspect each tire for visible damage, such as punctures or bulges, as these issues can exacerbate the problem and require immediate attention. Once you have adjusted the tire pressure and checked for damage, reset the tire pressure monitoring system according to the instructions in your manual. If the warning light persists despite these efforts, it is essential to consult a qualified mechanic, as there may be a deeper issue with the monitoring system that needs professional diagnosis. By taking these steps, you not only ensure your safety but also maintain the longevity and performance of your vehicle.

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2016 Lexus LS600h Tire Pressure Warning Light Guide