2006 INFINITI FX45 Tire Pressure Warning Light Stays On

Fixing the Tire Pressure Warning Light in 2006 INFINITI FX45: Causes and Solutions

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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 2006 INFINITI FX45 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 2006 INFINITI FX45 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 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 2006 INFINITI FX45?

To effectively diagnose the tire pressure warning light issue in your 2006 INFINITI FX45, 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 are inflated to the levels recommended in your vehicle's manual. This initial step can often resolve the warning light if the pressure is simply low. Next, inspect the tires for any visible damage, such as punctures or bulges, which could indicate a leak. Don’t overlook the valve stems; check them for any signs of wear or leaks, as faulty valve stems can also lead to pressure loss. If you find that the tire pressure is indeed low, use a tire inflator to bring the tires up to the correct levels. After inflating, it’s essential to reset the Tire Pressure Monitoring System (TPMS) to clear the warning light, which can typically be done through your vehicle's settings or manual instructions. Finally, keep an eye on the warning light; if it remains illuminated after these steps, it may signal a more serious issue that warrants professional inspection. By following this methodical approach, you can effectively address the tire pressure warning light and ensure your vehicle's safety on the road.

What could cause the tire pressure warning light to remain on in a 2006 INFINITI FX45?

When the tire pressure warning light remains on in a 2006 INFINITI FX45, it often indicates a few common issues that can be resolved with some basic troubleshooting. The first step is to check the tire pressure in all four tires, as low pressure is the most frequent cause of the warning light. Ensuring that each tire is inflated to the recommended levels can often solve the problem. If the tire pressure is adequate, the next area to investigate is the tire pressure sensors; a malfunctioning sensor may need to be replaced to restore proper function. Additionally, the tire pressure monitoring system may require recalibration, which can typically be done by following the instructions in the vehicle's manual. It's also wise to inspect the electrical connections and wiring associated with the tire pressure monitoring system, as any faults here can trigger the warning light. If these steps do not resolve the issue, the system itself may be malfunctioning, and consulting a mechanic for a thorough diagnosis may be necessary. By methodically addressing these potential causes, you can effectively troubleshoot and resolve the tire pressure warning light issue in your INFINITI FX45.

What should I do if the tire pressure warning light stays on in my 2006 INFINITI FX45?

When the tire pressure warning light stays illuminated in your 2006 INFINITI FX45, it is essential to act quickly to avoid potential safety hazards and vehicle damage. Neglecting this warning can lead to serious consequences, such as compromised handling, increased tire wear, and even tire blowouts, which pose significant risks while driving. Begin by checking the tire pressure in all four tires, including the spare, ensuring they meet the manufacturer's recommended levels. If the pressure is adequate, carefully inspect each tire for visible damage like punctures or bulges that could lead to air loss. Should the tires appear in good condition, attempt to reset the tire pressure monitoring system, as this can sometimes clear the warning light. However, if the light remains on after these checks, it may indicate a deeper issue with the monitoring system itself, warranting a visit to a professional mechanic for further diagnosis. By addressing the tire pressure warning light promptly, you not only enhance your vehicle's performance but also prioritize your safety on the road.

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