2006 INFINITI M45 Tire Pressure Warning Light Stays On

Common Causes for the Tire Pressure Warning Light in Your 2006 INFINITI M45 and How to Resolve Them

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Reviewed by
Andrew Hajjar
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 M45 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 M45 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 on my 2006 INFINITI M45?

To effectively diagnose the tire pressure warning light issue on your 2006 INFINITI M45, begin with a systematic 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 lead to air loss. Additionally, look for potential leaks by examining the tires and valve stems; a simple soap and water solution can help reveal any escaping air through bubbling. If everything appears normal, consider resetting the tire pressure monitoring system (TPMS) as this can sometimes resolve the warning light issue. Refer to your owner's manual for specific reset instructions. However, if the warning light remains illuminated after these checks, it may indicate a more serious problem with the TPMS sensors or system, at which point consulting a mechanic or dealership for professional diagnosis and repair is advisable. By following this structured diagnostic approach, you can efficiently identify and address the tire pressure warning light issue.

What could be causing the tire pressure warning light to remain on in a 2006 INFINITI M45?

When the tire pressure warning light remains illuminated in a 2006 INFINITI M45, it can be attributed to several common problems that DIY enthusiasts can investigate. First and foremost, checking the tire pressure in all four tires is crucial, as low pressure is the most frequent culprit. If the tires are adequately inflated but the light persists, the issue may lie with a faulty tire pressure sensor, which could require replacement. Additionally, the sensors might need recalibration to ensure they are functioning correctly, a task that can sometimes be performed at home with the right tools or may necessitate a visit to a professional. Electrical issues, such as damaged wiring or blown fuses, can also trigger the warning light, so inspecting the vehicle's electrical system is advisable. Lastly, if all else fails, the tire pressure monitoring system itself may be malfunctioning, which could require specialized diagnostic equipment to resolve. Addressing these potential issues promptly is essential for maintaining vehicle safety and performance.

How urgent is it to address the tire pressure warning light that stays on in a 2006 INFINITI M45?

Addressing the tire pressure warning light that remains illuminated in a 2006 INFINITI M45 is of utmost urgency due to several critical factors. First and foremost, safety is paramount; driving on underinflated tires can severely compromise vehicle handling and braking, increasing the risk of accidents. Additionally, neglecting this warning can lead to uneven tire wear, which not only shortens the lifespan of your tires but also raises the likelihood of a dangerous blowout while driving. Furthermore, maintaining proper tire pressure is essential for optimal fuel efficiency; underinflated tires can cause your vehicle to consume more fuel, leading to higher costs over time. Lastly, correct tire pressure is vital for ensuring your vehicle performs well, especially in emergency situations or challenging road conditions. Therefore, it is crucial to check and adjust your tire pressure as soon as the warning light activates, ensuring both your safety and the longevity of your vehicle. Regular monitoring of tire pressure should be a part of your vehicle maintenance routine to prevent these issues from arising.

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