2014 Acura MDX Tire Pressure Warning Light Stays On

Common Causes for the Tire Pressure Warning Light in Your 2014 Acura MDX and How to Resolve Them

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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 2014 Acura MDX 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 2014 Acura MDX 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 2014 Acura MDX?

To effectively diagnose the tire pressure warning light issue on your 2014 Acura MDX, begin with a thorough check of the tire pressure across all four tires, ensuring they meet the manufacturer's recommended levels. This initial step is crucial, as incorrect tire pressure is a common trigger for the warning light. Next, conduct a visual inspection of each tire, looking for any visible damage such as punctures, cuts, or bulges that could lead to air loss. If the tires appear intact, proceed to check for any signs of air leaks, as even small leaks can significantly impact tire pressure. Additionally, inspect the Tire Pressure Monitoring System (TPMS) sensors to confirm they are functioning properly, as faulty sensors can also activate the warning light. Lastly, consider the effects of temperature changes on tire pressure; fluctuations can cause natural variations that may trigger the warning light. By systematically following these steps, you can accurately diagnose the issue and determine the necessary actions to resolve it.

What are the common causes for the tire pressure warning light to remain on in a 2014 Acura MDX?

When the tire pressure warning light remains on in a 2014 Acura MDX, it can indicate several underlying issues that are important to address for safe driving. The most common reason is low tire pressure, which can easily be checked and corrected by inflating the tires to the recommended levels. If the tire pressure is adequate, the problem may stem from a faulty tire pressure sensor that fails to provide accurate readings. Additionally, the sensors have batteries that can wear out over time, requiring replacement to ensure they function correctly. Physical damage or corrosion on the sensor components can also interfere with their operation, leading to a persistent warning light. In some instances, the tire pressure monitoring system (TPMS) may need recalibration, particularly after tire rotations or replacements, to ensure it provides accurate readings. Lastly, electrical issues within the TPMS or wiring problems can trigger the warning light even when tire pressure is normal. By methodically checking these common causes, you can effectively troubleshoot and resolve the tire pressure warning light issue in your Acura MDX.

How urgent is it to address the tire pressure warning light that stays on in a 2014 Acura MDX?

Addressing the tire pressure warning light that remains illuminated in your 2014 Acura MDX is an urgent matter that should not be overlooked. Ignoring this warning can lead to serious safety concerns, as improper tire pressure significantly impacts your vehicle's handling and braking capabilities, increasing the risk of accidents. Additionally, neglecting to check and correct tire pressure can result in uneven tire wear, which not only shortens the lifespan of your tires but also raises the likelihood of a blowout while driving. Furthermore, underinflated tires can adversely affect your vehicle's fuel efficiency, leading to higher fuel costs over time. To ensure optimal performance and safety, it is crucial to promptly check the tire pressure, inflate the tires to the recommended levels, and investigate any underlying issues that may be causing the warning light to stay on. Regular maintenance and monitoring of tire pressure are essential practices for any responsible vehicle owner, safeguarding both your safety and your investment.

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