2016 Scion IA Tire Pressure Warning Light Stays On

Resolve Tire Pressure Warning Light in 2016 Scion iA: Causes and Solutions

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Reviewed by
Bo Fader
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 Scion iA 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 Scion iA 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 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 in my 2016 Scion iA?

To effectively diagnose the tire pressure warning light issue in your 2016 Scion iA, 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 PSI found in your owner's manual or on the driver's side door jamb sticker. Next, conduct a thorough visual inspection of each tire for any signs of damage, such as punctures, cuts, or bulges, and look for any foreign objects that may be lodged in the tread. If you find that the tire pressure is low, fill the tires with air to the correct level; if it's too high, release some air until you reach the appropriate PSI. After adjusting the tire pressure, it may be necessary to reset the tire pressure monitoring system, which can typically be done through your vehicle's infotainment system or dashboard controls. Finally, take your Scion iA for a short drive to allow the system to recalibrate, and check if the tire pressure warning light turns off. By following this diagnostic approach, you can efficiently address the issue and ensure your vehicle is safe to drive.

What could be causing the tire pressure warning light to remain on in a 2016 Scion iA?

When the tire pressure warning light remains illuminated in a 2016 Scion iA, it often indicates underlying issues that require attention. The most prevalent cause is low tire pressure, which can easily be checked using a tire pressure gauge. Ensuring that all tires are inflated to the manufacturer's recommended levels is crucial for both safety and performance. If the tire pressure is adequate, the problem may lie with a faulty tire pressure sensor, which could necessitate replacement. Additionally, sensor calibration issues can arise, particularly after tire rotations or replacements, and recalibrating the sensors according to the vehicle's manual can resolve this. Electrical problems, such as damaged wiring or blown fuses, may also contribute to the warning light staying on, warranting a thorough inspection of the vehicle's electrical system. Lastly, seasonal changes, particularly colder weather, can lead to a natural decrease in tire pressure, making it essential to regularly monitor and adjust tire pressure as needed. Addressing these issues promptly not only enhances vehicle safety but also promotes better fuel efficiency and tire longevity.

What immediate steps should be taken if the tire pressure warning light remains on in a 2016 Scion iA?

When the tire pressure warning light remains illuminated in your 2016 Scion iA, it is crucial to act promptly to ensure your safety and the vehicle's performance. Ignoring this warning can lead to dangerous driving conditions, such as reduced traction and increased tire wear, which may ultimately result in a blowout. Start by checking the tire pressure in all four tires with a reliable gauge, ensuring they are inflated to the recommended levels found in your owner's manual or on the driver's side door jamb. If you discover any underinflated tires, inflate them accordingly to help reset the tire pressure monitoring system. Additionally, inspect each tire for visible damage, such as punctures or bulges, as these issues can compromise your safety on the road. If the warning light persists after adjusting the tire pressure, consult your owner's manual for instructions on resetting the system, as some vehicles require this step. However, if the light remains on despite your efforts, it is essential to seek professional assistance, as there may be a deeper issue with the tire pressure monitoring system that needs to be addressed. Taking these steps not only helps maintain your vehicle's integrity but also ensures your safety while driving.

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