2007 Lexus GX470 Tire Pressure Warning Light Stays On

Resolve Tire Pressure Warning Light in 2007 Lexus GX470: Causes and Solutions

Find Repair Location
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 2007 Lexus GX470 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 2007 Lexus GX470 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.

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 of a TPMS control module failure are failing to alert the driver of underinflation or overinflation of one or more tires, failure to communicate with the body control module or TPMS sensors, or erroneously reporting incorrect tire pressure.

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 2007 Lexus GX470?

To effectively diagnose the tire pressure warning light issue in your 2007 Lexus GX470, begin with a straightforward approach that prioritizes simpler solutions before delving into more complex diagnostics. Start by checking the tire pressure in all four tires using a reliable tire pressure gauge, ensuring they meet the recommended levels outlined in your vehicle's manual. This initial step can often resolve the warning light if the tires are simply under-inflated. Next, conduct a visual inspection of each tire for any signs of damage, such as punctures or bulges, which could also trigger the warning light. If the tires appear to be in good condition, proceed to reset the tire pressure monitoring system according to the instructions in your manual, as this can clear any false alerts. Additionally, inspect the tire pressure monitoring sensors on each wheel for proper functionality, ensuring they are clean and undamaged. If these steps do not resolve the issue, it may be necessary to seek a professional inspection to diagnose any underlying problems with the tire pressure monitoring system. By following this methodical approach, you can effectively address the tire pressure warning light concern in your Lexus GX470.

What could cause the tire pressure warning light to stay on in a 2007 Lexus GX470?

When the tire pressure warning light remains illuminated in a 2007 Lexus GX470, it often indicates underlying issues that require attention. One of the primary culprits is low tire pressure, which can easily be checked with a tire pressure gauge. Ensuring that all tires are inflated to the manufacturer's recommended levels is crucial for both safety and performance. If the tire pressure is adequate, the problem may lie with a faulty tire pressure sensor, which could be malfunctioning and providing inaccurate readings. In such cases, replacing the sensor may be necessary. Additionally, the sensor batteries could be depleted, leading to similar issues; replacing these batteries can often resolve the warning light concern. Electrical problems within the tire pressure monitoring system can also cause the light to stay on, necessitating a professional inspection to diagnose and repair any faults. Lastly, if the system has not been calibrated correctly, recalibrating it can help restore proper functionality and extinguish the warning light. If these DIY checks do not resolve the issue, seeking assistance from a qualified mechanic is advisable to ensure a thorough diagnosis and repair.

How urgent is it to address the tire pressure warning light on a 2007 Lexus GX470 that stays on?

When the tire pressure warning light on your 2007 Lexus GX470 remains illuminated, it is essential to take immediate action. Ignoring this warning can lead to serious safety risks, as improper tire pressure significantly impacts vehicle handling and braking capabilities, increasing the likelihood of accidents. Additionally, driving on underinflated tires can cause uneven wear, shortening their lifespan and potentially resulting in a dangerous blowout. Beyond safety concerns, neglecting this issue can also affect your fuel efficiency, leading to higher fuel costs over time. Furthermore, the Tire Pressure Monitoring System (TPMS) is designed to alert you to low tire pressure, and a persistent warning light may indicate a malfunction within this system that requires attention. Therefore, addressing the tire pressure warning light promptly is not just a matter of convenience; it is crucial for your safety, the longevity of your tires, and the overall performance of your vehicle.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.

2007 Lexus GX470 Tire Pressure Warning Light | RepairPal