Lexus GS F Tire Pressure Warning Light Stays On

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

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Reviewed by
Aisha
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 Lexus GS F 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 Lexus GS F 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.

Troubleshooting Tire Pressure Warning Light in a Lexus GS F

When troubleshooting the tire pressure warning light in your Lexus GS F, it's crucial to follow a methodical diagnostic approach to ensure effective resolution. Begin by checking the tire pressure with a reliable gauge to confirm it matches the manufacturer's recommended levels. If you discover that the pressure is low, inflate the tires to the correct specifications, as a blinking warning light typically signifies insufficient pressure. If the light remains on after adjusting the tire pressure, proceed to reset the tire pressure monitoring system. This can often be accomplished by pressing and holding the reset switch until the light blinks slowly three times. Alternatively, driving the vehicle for a short distance may also help reset the system. For models with a direct tire pressure monitoring system, consult your owner's manual for specific reset instructions, which may involve using a dashboard button. If these steps do not resolve the issue, it may be necessary to seek professional assistance, as ongoing problems could indicate a malfunction within the monitoring system itself. By adhering to this structured approach, you can effectively diagnose and address the tire pressure warning light in your Lexus GS F.

What to Check When the Tire Pressure Warning Light Stays On in a Lexus GS F?

When the tire pressure warning light remains illuminated in your Lexus GS F, it can indicate several underlying issues that require attention. One of the most common problems is simply low tire pressure, which can occur due to natural air loss or temperature fluctuations. It's essential to regularly check the pressure of all four tires and ensure they are inflated to the manufacturer's recommended levels, typically found on the driver's side door jamb. Additionally, physical damage to the tires, such as punctures, cuts, or bulges, can also trigger the warning light. Inspecting your tires for any visible signs of wear is crucial in identifying potential hazards. If the tire pressures are correct and the tires appear undamaged, the issue may lie within the Tire Pressure Monitoring System (TPMS) itself. In such cases, resetting the TPMS can often resolve the problem, but if the light persists, it may indicate a malfunctioning sensor or other electronic issues that require professional diagnosis. Lastly, seasonal changes can impact tire pressure, so it's wise to adjust accordingly to maintain optimal performance and safety. By understanding these common problems, you can take proactive steps to address the tire pressure warning light and ensure your Lexus GS F remains safe and roadworthy.

Why is the Tire Pressure Warning Light Staying On in a Lexus GS F?

When the tire pressure warning light remains illuminated in your Lexus GS F, it is crucial to take immediate action. Ignoring this warning can lead to unsafe driving conditions, as low tire pressure significantly increases the risk of tire blowouts and can compromise vehicle handling. Additionally, driving on under-inflated tires can accelerate tire wear, resulting in costly replacements and potentially leaving you stranded. Temperature changes can also affect tire pressure, making it essential to regularly check and maintain proper inflation levels. If you've recently installed new tires or rotated them, ensure that the TPMS has been reset correctly to avoid unnecessary alerts. A malfunctioning TPMS sensor could also be the culprit, and neglecting this issue may lead to further complications. Therefore, promptly checking your tire pressure and inspecting the TPMS system is vital for your safety and the longevity of your tires. If the warning light persists after these checks, seeking assistance from a professional mechanic is advisable to prevent any serious damage or safety hazards.

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