2020 Hyundai Tucson Tire Pressure Warning Light Stays On

Resolve Tire Pressure Warning Light in 2020 Hyundai Tucson: Causes and Solutions

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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 2020 Hyundai Tucson 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 2020 Hyundai Tucson 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 are the initial steps to diagnose a tire pressure warning light that stays on in a 2020 Hyundai Tucson?

When faced with a tire pressure warning light that remains illuminated in your 2020 Hyundai Tucson, the first step is to manually check the tire pressure in all four tires, including the spare if applicable. Using a reliable tire pressure gauge, ensure that each tire is inflated to the manufacturer's recommended PSI levels, as incorrect pressure can trigger the warning light. Next, visually inspect the tires for any signs of damage such as punctures, cuts, or bulges, which could indicate a loss of pressure. If the tire pressure is correct and the tires appear undamaged, consider resetting the tire pressure monitoring system (TPMS), as it may require a reset after adjustments or tire replacements. Refer to your vehicle's manual for specific instructions on how to perform this reset. If the warning light persists despite these efforts, it may indicate a malfunctioning tire pressure sensor, which can be diagnosed using a professional tool. In such cases, if the issue remains unresolved, seeking assistance from a mechanic or dealership is advisable for a thorough diagnosis and repair. By following these steps, you can effectively troubleshoot the tire pressure warning light in your Hyundai Tucson and take the necessary actions to ensure your vehicle's safety and performance.

What could be causing the tire pressure warning light to remain on in a 2020 Hyundai Tucson?

When the tire pressure warning light remains illuminated in your 2020 Hyundai Tucson, it can be a source of concern, but understanding the common problems can help you troubleshoot effectively. One of the primary reasons for this warning light is low tire pressure, which can easily be checked and adjusted using a tire pressure gauge. If the pressure is adequate, the issue may lie with a faulty tire pressure sensor, which could require replacement. Additionally, the sensors might need recalibration, especially if the vehicle has recently experienced changes in tire pressure or has undergone maintenance. Electrical faults within the tire pressure monitoring system can also trigger the warning light, necessitating a professional inspection to identify and resolve the issue. Lastly, external factors such as extreme temperatures or physical damage to the tires can contribute to the warning light staying on. By systematically addressing these potential causes, you can often resolve the issue without needing to visit a service center, but if the light persists, consulting a certified Hyundai technician is recommended for a thorough diagnosis.

How urgent is it to address the tire pressure warning light that stays on in a 2020 Hyundai Tucson?

Addressing the tire pressure warning light that remains illuminated in your 2020 Hyundai Tucson is of utmost importance due to the immediate safety risks it poses. Low tire pressure can severely compromise your vehicle's handling and braking capabilities, increasing the likelihood of accidents, particularly in challenging driving conditions. Furthermore, neglecting this warning can lead to uneven tire wear, which not only shortens the lifespan of your tires but also necessitates costly replacements sooner than expected. Additionally, underinflated tires can significantly reduce fuel efficiency, resulting in higher fuel costs over time. The risk of tire damage is another critical concern; driving on tires with insufficient pressure can lead to blowouts, putting you and other road users in danger. Therefore, it is essential to regularly check and adjust your tire pressure or consult a professional if the warning light persists, ensuring both your safety and the longevity of your vehicle.

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