2016 Hyundai Equus Tire Pressure Warning Light Stays On

Common Causes of the Tire Pressure Warning Light in Your 2016 Hyundai Equus and How to Resolve Them

Find Repair Location
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 2016 Hyundai Equus 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 2016 Hyundai Equus 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 are the initial steps to diagnose a persistent tire pressure warning light on a 2016 Hyundai Equus?

When faced with a persistent tire pressure warning light on your 2016 Hyundai Equus, start by checking the tire pressure of all tires, including the spare, ensuring they are inflated to the recommended levels found on the tire placard or in the owner's manual. It's crucial to perform this check when the tires are cold to get an accurate reading. Next, inspect the tires for any visible leaks or damage, as even small punctures can trigger the warning light. If the tires are in good condition, attempt to reset the Tire Pressure Monitoring System (TPMS) by driving above 50 mph for at least 10 minutes, then turning off the vehicle and using the TPMS reset button typically located below the steering wheel. If the light remains illuminated, it may indicate a faulty sensor, so check for any blinking lights that could signify sensor issues. Don’t forget to inspect the spare tire as well, as an underinflated spare can also activate the warning. If necessary, look for error codes in the vehicle's information display, which can provide further insights into the problem. Should these steps not resolve the issue, consider using a TPMS scan tool to relearn the sensors, following the tool's instructions carefully. By systematically addressing these areas, you can effectively diagnose and potentially resolve the tire pressure warning light issue on your Hyundai Equus.

What could cause the tire pressure warning light to stay on in a 2016 Hyundai Equus?

When the tire pressure warning light on your 2016 Hyundai Equus remains illuminated, it often indicates common issues that can be easily diagnosed and resolved. One of the first steps is to check the tire pressure, as incorrect inflation—either too low or too high—can trigger the warning. Use a reliable tire pressure gauge to compare the readings against the recommended levels found on the placard inside the driver's door or in the owner's manual. If the tire pressure is correct but the light stays on, the Tire Pressure Monitoring System (TPMS) may need a reset. This can typically be done by driving the vehicle at a speed of at least 50 mph for about 10 minutes, allowing the system to recalibrate automatically. Alternatively, if your model has a TPMS reset button, pressing and holding it until the light blinks three times can also initiate a reset. If the warning light persists after these steps, it may indicate a problem with the TPMS sensors, such as a failing battery or malfunction, which would require professional diagnosis. Additionally, be aware that significant changes in temperature or altitude can affect tire pressure, and if you've recently installed new tires or sensors, the system may need time to recognize them or may require a reset. By methodically addressing these potential causes, you can effectively troubleshoot the tire pressure warning light issue on your Equus.

How urgent is it to address the tire pressure warning light that stays on in a 2016 Hyundai Equus?

Addressing the tire pressure warning light that remains illuminated in your 2016 Hyundai Equus is of utmost urgency due to the potential safety risks and performance issues it presents. Underinflated tires can significantly compromise vehicle stability, leading to longer stopping distances and an increased likelihood of tire failure, particularly at higher speeds. This not only endangers your safety but also that of other road users. Furthermore, maintaining proper tire pressure is crucial for optimal vehicle performance; underinflated tires can negatively impact fuel efficiency and cause uneven tire wear, resulting in costly repairs down the line. If you have already adjusted the tire pressure to the recommended levels and the warning light persists, it may require a reset or indicate a malfunctioning TPMS sensor. Ignoring this warning could lead to more severe issues, making it essential to address it promptly to ensure both your safety and the longevity 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.