2020 Hyundai Accent Tire Pressure Warning Light Stays On

Resolve Tire Pressure Warning Light in 2020 Hyundai Accent: 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 2020 Hyundai Accent 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 Accent 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 2020 Hyundai Accent?

To effectively diagnose the tire pressure warning light issue in your 2020 Hyundai Accent, begin with a straightforward approach that prioritizes simpler solutions before delving into 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 levels recommended in your vehicle's manual. This initial step can often resolve the warning light if the pressure is low. Next, inspect the tires for any visible damage, such as punctures or bulges, which could also trigger the warning. If the tires appear to be in good condition, consider resetting the tire pressure monitoring system (TPMS) as outlined in your vehicle's manual, as sometimes the system may need a refresh. Additionally, examine the TPMS sensors on each tire to confirm they are functioning correctly, since faulty sensors can lead to false warnings. If these steps do not resolve the issue, it may be time to consult a professional mechanic for a thorough inspection and diagnosis, ensuring your vehicle remains safe and roadworthy.

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

When the tire pressure warning light remains illuminated in a 2020 Hyundai Accent, it signals that there may be underlying issues that need attention. The most common culprit is low tire pressure, which can be easily checked with a tire pressure gauge. Ensuring that all tires are inflated to the recommended levels is vital for safe driving and optimal vehicle performance. If tire pressure is not the issue, a faulty tire pressure sensor could be at fault, potentially requiring replacement. Additionally, the sensors may need recalibration, particularly after significant temperature fluctuations or if the vehicle has been driven over rough terrain. Electrical faults within the tire pressure monitoring system can also trigger the warning light, which may necessitate a diagnostic check to identify the specific problem. Addressing these issues promptly is crucial for maintaining vehicle safety and functionality; if the warning light persists despite your efforts, consulting a professional mechanic is recommended for further diagnosis and resolution.

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

Addressing the tire pressure warning light that remains illuminated in a 2020 Hyundai Accent is of utmost urgency due to the significant safety risks and potential vehicle damage associated with neglecting this issue. Low tire pressure can severely compromise the vehicle's handling and braking capabilities, increasing the likelihood of accidents, particularly in challenging driving conditions. Furthermore, underinflated tires lead to uneven wear, which not only shortens their lifespan but also raises the risk of a blowout, posing a serious threat to both the driver and passengers. Additionally, maintaining proper tire pressure is essential for optimal fuel efficiency; ignoring the warning light can result in decreased gas mileage, ultimately leading to higher fuel expenses. Lastly, the Tire Pressure Monitoring System (TPMS) is designed to alert drivers to tire issues, and failing to address the warning light can undermine this critical safety feature. Therefore, it is imperative to take immediate action when the tire pressure warning light is on to ensure safety, enhance vehicle performance, and avoid costly repairs.

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