Acura ILX Tire Pressure Warning Light Stays On

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

Find Repair Location
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 Acura ILX 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 Acura ILX 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 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.

Troubleshooting Tire Pressure Warning Light in an Acura ILX

When troubleshooting the tire pressure warning light in your Acura ILX, it's crucial to follow a methodical diagnostic approach to identify and resolve the issue effectively. Begin by checking the tire pressure in all four tires, ensuring they are inflated to the manufacturer's recommended levels, which can be found on the sticker inside the driver’s side door. If the tire pressures are correct but the warning light persists, inspect each tire for any visible signs of damage or leaks, as a punctured tire or a wheel that cannot maintain air pressure can trigger the warning. If no physical issues are detected, the problem may lie within the tire pressure monitoring system (TPMS) itself, which could involve a faulty sensor that may need professional evaluation. In instances where the light is flashing, this could indicate a more significant malfunction within the TPMS, potentially requiring a reset or sensor replacement. After addressing any tire pressure issues, remember that the TPMS light may still need to be reset according to the procedures outlined in your vehicle’s manual. By systematically following these steps, you can effectively troubleshoot and resolve the tire pressure warning light issue, ensuring your Acura ILX is safe and ready for the road.

Troubleshooting Tire Pressure Warning Light in Acura ILX

When dealing with a tire pressure warning light in your Acura ILX, it's essential to understand the common problems that could be causing the issue. A leaking tire is often the primary culprit, as it can lead to a drop in pressure that triggers the warning light. Additionally, if a wheel is damaged or unable to hold air, this can also result in the light remaining illuminated. Another frequent issue is a malfunctioning tire pressure monitoring system (TPMS), which may indicate that the sensors are faulty or that the sensor batteries are dead. If you've recently inflated your tires and the light is still flashing, it could be due to the system's sensors detecting an over- or under-inflation condition. To resolve these issues, start by checking the tire pressures against the manufacturer's recommended levels, which can be found on the sticker inside the driver’s door. If the pressures are correct but the light persists, a reset of the TPMS may be necessary, which can often be achieved by driving at speeds above 50 mph for about 10 minutes. Understanding these common problems will empower you to troubleshoot effectively and maintain safe driving conditions in your Acura ILX.

Why is the Tire Pressure Warning Light Staying On in an Acura ILX?

When the Tire Pressure Warning Light remains illuminated in your Acura ILX, it is crucial to take immediate action. Ignoring this warning can lead to serious safety hazards, such as tire blowouts or loss of vehicle control due to under-inflated tires. Even if you have recently adjusted the tire pressure, the light may stay on if the system has not been reset or if there are underlying issues with the tire pressure monitoring system (TPMS). Additionally, using non-standard tires or wheels can interfere with the TPMS functionality, further complicating the situation. Therefore, it is essential to regularly check your tire pressure and ensure that it meets the manufacturer's recommendations. If the light persists, consider resetting the TPMS or consulting a professional to diagnose any potential malfunctions. Addressing these issues promptly not only enhances your safety on the road but also helps maintain the overall health 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.