2023 Genesis G90 Tire Pressure Warning Light Stays On

Resolve Tire Pressure Warning Light in 2023 Genesis G90: Causes and Solutions

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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 2023 Genesis G90 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 2023 Genesis G90 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 2023 Genesis G90?

To effectively diagnose the tire pressure warning light issue on your 2023 Genesis G90, begin with the simplest and most straightforward approach. Start by checking the tire pressure in all four tires using a reliable tire pressure gauge, ensuring that the readings align with the recommended levels found in your owner's manual. This initial step is crucial, as incorrect tire pressure is a common cause of warning lights. Next, conduct a thorough visual inspection of each tire for any signs of damage, such as punctures, cuts, or bulges, which could indicate a loss of pressure. If the tires appear intact, proceed to check for leaks by examining the tires and valve stems closely; a mixture of soap and water can help reveal any hidden leaks through the formation of bubbles. If everything seems in order, consider resetting the tire pressure monitoring system (TPMS), as this can sometimes resolve the warning light issue. Refer to your owner's manual for specific instructions on how to perform this reset. However, if the warning light remains illuminated after these steps, it may be time to consult a mechanic or authorized service center for a more comprehensive diagnosis and repair. By following this diagnostic approach, you can systematically address the tire pressure warning light issue and ensure your vehicle's safety and performance.

What could be causing the tire pressure warning light to stay on in a 2023 Genesis G90?

When the tire pressure warning light stays on in a 2023 Genesis G90, it can indicate several underlying issues that DIY enthusiasts can troubleshoot. The most common reason is low tire pressure, so the first step is to check and inflate your tires to the recommended levels. If the pressure is adequate, the problem may lie with a faulty tire pressure sensor, which could require replacement or recalibration. Additionally, some sensors are battery-operated, and a dead battery can keep the warning light illuminated, making it essential to check the sensor batteries. Inspecting the wiring and connections of the tire pressure monitoring system is also important, as any damage or loose connections can trigger the warning light. Environmental factors, such as drastic temperature changes, can affect tire pressure readings, so it's wise to monitor your tire pressure regularly. If these steps do not resolve the issue, the system may need recalibration to ensure accurate readings. Should the warning light persist despite these efforts, seeking assistance from a qualified mechanic or dealership is advisable for a comprehensive diagnosis.

How urgent is it to address the tire pressure warning light on my 2023 Genesis G90?

Addressing the tire pressure warning light on your 2023 Genesis G90 is not just a matter of convenience; it is a critical safety concern that requires immediate attention. Ignoring this warning can lead to dangerous driving conditions, as underinflated tires significantly compromise your vehicle's handling and braking capabilities. Furthermore, driving with incorrect tire pressure can accelerate tire wear and diminish fuel efficiency, resulting in higher costs over time. The risk of tire damage, including blowouts or flats, increases when tires are not properly inflated, which can lead to costly repairs and hazardous situations on the road. Additionally, maintaining the correct tire pressure is essential for optimal vehicle performance, affecting traction, cornering, and overall driving comfort. The tire pressure monitoring system is designed to alert you to these issues, and taking prompt action can prevent further complications. Therefore, it is crucial to regularly check your tire pressure and address any discrepancies immediately to ensure a safe and efficient driving experience.

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