Acura TLX Tire Pressure Warning Light Stays On

Troubleshooting the Persistent Tire Pressure Warning Light in Your Acura TLX: 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 Acura TLX 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 TLX 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.

Troubleshooting Tire Pressure Warning Light in an Acura TLX

When dealing with the tire pressure warning light in your Acura TLX, begin by checking the tire pressure of all four tires. Refer to the tire pressure specifications located on the doorjamb label to ensure each tire is inflated correctly. If the light persists after adjusting the pressure, the next step is to reset the Tire Pressure Monitoring System (TPMS) using the appropriate reset procedure for your model. It's important to understand that the warning light may illuminate if any tire's pressure drops significantly, often due to factors like slow leaks or temperature fluctuations. If you encounter a "Check TPMS System" message, this indicates a potential issue with the tire pressure sensors, which may require further investigation or replacement. For a flashing light that doesn't reset, try driving at speeds above 80 km/h for about 10 minutes, or turn the ignition to the "On" position without starting the engine to see if that resolves the issue. By following these steps, you can effectively troubleshoot and potentially resolve the tire pressure warning light concern in your Acura TLX.

What to Check When the Tire Pressure Warning Light Stays On in an Acura TLX?

When the tire pressure warning light remains illuminated in your Acura TLX, it often indicates underlying issues that require immediate attention. Start by checking the tire pressure using a reliable gauge; under-inflated tires are a common culprit and can lead to decreased fuel efficiency and handling problems. Next, inspect each tire for visible damage such as cuts, punctures, or bulges, as these can also trigger the warning light. If the tire pressure is correct and no damage is found, the Tire Pressure Monitoring System (TPMS) may need to be reset. This can typically be done by following the vehicle's manual instructions or using a TPMS reset tool. Additionally, be aware that fluctuations in temperature can affect tire pressure, so regular monitoring is essential, especially during seasonal changes. If these steps do not resolve the issue, it may be time to consult a professional mechanic to ensure your vehicle's safety and performance are not compromised.

What Should You Do When the Tire Pressure Warning Light Stays On in an Acura TLX?

When the tire pressure warning light remains illuminated in your Acura TLX, it is crucial to act swiftly to avoid potential safety hazards and vehicle damage. Ignoring this warning can lead to decreased traction, increased tire wear, and even tire blowouts, which pose serious risks while driving. Start by checking the tire pressure to ensure it meets the manufacturer's recommended levels, as low pressure is a common trigger for the warning light. If the pressure is correct but the light persists, a reset of the Tire Pressure Monitoring System (TPMS) may be necessary, which can often be achieved by driving at higher speeds for a short duration. Additionally, if the warning continues after these steps, it may indicate a malfunctioning sensor that requires replacement. Addressing these issues promptly not only enhances your safety on the road but also ensures your Acura TLX operates at its best, preventing further complications down the line.

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