2014 Acura RDX Tire Pressure Warning Light Stays On

Resolve Tire Pressure Warning Light in 2014 Acura RDX: 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 2014 Acura RDX 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 RDX 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.

What steps should I take to diagnose the tire pressure warning light issue in my 2014 Acura RDX?

To effectively diagnose the tire pressure warning light issue in your 2014 Acura RDX, begin with a systematic approach that prioritizes simple checks before moving on to more complex diagnostics. Start by checking the tire pressure in all four tires using a reliable tire pressure gauge, ensuring they are inflated to the manufacturer's recommended levels, which can typically be found on a sticker inside the driver's side door jamb or in the owner's manual. Next, inspect each tire for visible damage such as punctures, cuts, or bulges, as any physical damage could lead to pressure loss and trigger the warning light. Additionally, look for leaks by visually examining the tires and valve stems; a mixture of soap and water can help identify leaks, as bubbles will form where air escapes. If you have corrected the tire pressure but the warning light remains illuminated, consult your vehicle's manual for instructions on resetting the tire pressure monitoring system (TPMS). If the issue persists after these steps, it may be necessary to visit a mechanic or dealership for a more thorough inspection and diagnosis. By following this diagnostic approach, you can efficiently address the tire pressure warning light issue and ensure your vehicle's safety on the road.

What could be causing the tire pressure warning light to stay on in a 2014 Acura RDX?

When the tire pressure warning light stays on in a 2014 Acura RDX, it can be attributed to several common issues that are important to address for safe driving. One significant factor is the effect of temperature changes, as colder weather can lead to a drop in tire pressure, prompting the warning light to activate. Additionally, if the tire pressure sensors are malfunctioning or if their batteries are low, the light may remain illuminated even when the tires are properly inflated. A blinking light could indicate a more serious problem with the tire pressure sensor or its receiver, which may require further inspection or replacement. Environmental fluctuations can also cause tire pressure variations, contributing to the warning light's persistence. To resolve this issue, it is crucial to regularly check your tire pressure, inspect the functionality of the sensors, and consider any recent temperature changes that may be affecting your vehicle. By being proactive and understanding these potential causes, you can effectively troubleshoot and resolve the tire pressure warning light issue in your Acura RDX.

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

Addressing the tire pressure warning light on a 2014 Acura RDX is not just a matter of convenience; it is a critical safety concern that requires immediate attention. When this light remains illuminated, it signals that one or more tires may be underinflated, which can severely compromise vehicle handling and traction. This situation increases the likelihood of accidents, as underinflated tires can lead to poor grip on the road. Additionally, driving with low tire pressure can accelerate tire wear, reduce fuel efficiency, and even result in dangerous blowouts. Ignoring the warning can lead to more extensive damage to the tires, resulting in costly repairs down the line. For optimal vehicle performance and safety, it is essential to check the tire pressure as soon as the warning light comes on, inflate the tires to the recommended levels, and investigate any underlying issues with the tire pressure monitoring system. Taking these steps not only ensures a safer driving experience but also prolongs the life of your tires.

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2014 Acura RDX Tire Pressure Warning Light Solutions