2013 Lexus GS350 Tire Pressure Warning Light Stays On

Common Causes for the Tire Pressure Warning Light in Your 2013 Lexus GS350 and How to Resolve Them

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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 2013 Lexus GS350 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 2013 Lexus GS350 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 2013 Lexus GS350?

To effectively diagnose the tire pressure warning light issue in your 2013 Lexus GS350, begin with a thorough check of the tire pressure in all four tires using a reliable tire pressure gauge. Ensure that each tire is inflated to the recommended levels outlined in your vehicle's manual, as improper inflation is a common cause of warning lights. Next, inspect the tires for any visible damage, such as punctures, cuts, or bulges, which could indicate a more serious problem. If the tires appear to be in good condition, attempt to reset the tire pressure monitoring system, as this can sometimes clear false alerts. Additionally, examine the valve stems for any signs of damage or leaks that might be triggering the warning light. If, after completing these steps, the warning light remains illuminated, it may be time to consult a mechanic or dealership for a professional diagnosis and repair. By following this diagnostic approach, you can systematically address the issue and ensure your vehicle's safety on the road.

What could be causing the tire pressure warning light to stay on in a 2013 Lexus GS350?

When the tire pressure warning light stays on in a 2013 Lexus GS350, it can be a source of concern for drivers. The most common issue is low tire pressure, which can result from natural air loss or punctures. Regularly checking and maintaining the correct tire pressure is essential for safety and performance. If the pressure is adequate, the problem may stem from the tire pressure sensors, which can malfunction or require battery replacement, leading to false warnings. Additionally, if the tire pressure monitoring system has not been properly calibrated, it may fail to reset even after addressing the tire pressure. To resolve this, consult the vehicle's manual for recalibration instructions or seek help from a professional mechanic. If the warning light persists despite these efforts, a thorough inspection by a qualified technician is advisable to identify any underlying issues that may need attention.

How urgent is it to address the tire pressure warning light that stays on in a 2013 Lexus GS350?

Addressing the tire pressure warning light in a 2013 Lexus GS350 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 the tire pressure may be dangerously low, which can severely compromise the vehicle's handling and braking capabilities. This increases the likelihood of accidents, particularly in high-stress driving situations. Furthermore, driving on underinflated tires can lead to uneven wear, significantly shortening their lifespan and raising the risk of a blowout, which could have catastrophic consequences. Additionally, low tire pressure negatively impacts fuel efficiency, leading to higher fuel costs over time. Ignoring the warning could also indicate a malfunction in the Tire Pressure Monitoring System (TPMS), which is essential for alerting drivers to tire issues. Therefore, it is crucial to check and adjust the tire pressure promptly or consult a professional if the warning persists, ensuring both your safety and the longevity of your vehicle.

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