2008 INFINITI G37 Tire Pressure Warning Light Stays On

Resolve Tire Pressure Warning Light in 2008 INFINITI G37: Causes and Solutions

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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 2008 INFINITI G37 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 2008 INFINITI G37 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 on my 2008 INFINITI G37?

To effectively diagnose the tire pressure warning light issue on your 2008 INFINITI G37, 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 that the readings align with the recommended PSI found in your owner's manual or on the driver's side door jamb. Next, conduct a thorough visual inspection of each tire for any signs of damage, such as punctures or bulges, which could indicate a loss of pressure. Additionally, look for potential leaks by examining the tires and valve stems; a mixture of soap and water can help reveal leaks, as bubbles will form where air escapes. If everything appears normal, consider resetting the tire pressure monitoring system (TPMS) as outlined in your owner's manual, as this can sometimes resolve the warning light issue. However, if the light remains illuminated after these steps, it may be prudent to consult a mechanic for a professional diagnosis and repair, ensuring your vehicle's safety and performance. By following this methodical approach, you can efficiently address the tire pressure warning light concern.

What could cause the tire pressure warning light to stay on in a 2008 INFINITI G37?

When the tire pressure warning light stays illuminated in a 2008 INFINITI G37, it is essential to identify the underlying issues that may be causing this alert. The most common reason is low tire pressure, which can result from natural air loss or punctures; therefore, regularly checking and inflating your tires to the recommended levels is vital for maintaining safety and performance. Another possibility is a faulty tire pressure sensor; if this component is not functioning correctly, it may fail to provide accurate readings, leading to a persistent warning light. Additionally, malfunctions within the sensor system, such as electrical issues or calibration errors, can also keep the light on. Environmental factors, particularly significant temperature changes, can affect tire pressure, so it’s wise to adjust your tire inflation accordingly. If you have checked the tire pressure and addressed these potential issues but the warning light remains on, performing a system reset as per the manufacturer's instructions may help recalibrate the tire pressure monitoring system. Should the light continue to stay illuminated after these troubleshooting steps, it is advisable to consult a mechanic or dealership for a thorough diagnosis to ensure your vehicle's safety and functionality.

What should I do if the tire pressure warning light on my 2008 INFINITI G37 stays on?

When the tire pressure warning light on your 2008 INFINITI G37 stays illuminated, it is essential to act quickly to ensure your safety and prevent further complications. Neglecting this warning can lead to dangerous driving conditions, including decreased traction and increased tire wear, which may ultimately result in a tire blowout or expensive repairs. Begin by checking the tire pressure in all four tires, including the spare, using a reliable gauge to ensure they are inflated to the manufacturer's recommended levels. If you discover any underinflated tires, inflate them to the correct pressure. Additionally, carefully inspect each tire for any signs of damage, such as punctures or bulges, as these can significantly affect tire performance and safety. After making the necessary adjustments, you may need to reset the tire pressure monitoring system, which is usually done through the vehicle's onboard menu. If the warning light remains on despite these measures, it is wise to seek assistance from a qualified mechanic, as this could indicate a more serious issue with the tire pressure monitoring system. By addressing the tire pressure warning light promptly, you not only enhance your driving safety but also contribute to the overall health and longevity of your vehicle.

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2008 INFINITI G37 Tire Pressure Warning Light Issues