2017 Toyota Prius Tire Pressure Warning Light Stays On

Resolve Tire Pressure Warning Light in 2017 Toyota Prius for Safe Driving

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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 2017 Toyota Prius 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 2017 Toyota Prius 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 2017 Toyota Prius?

When faced with a tire pressure warning light that remains illuminated in your 2017 Toyota Prius, it's essential to adopt a systematic diagnostic approach. Start by checking the tire pressure in all four tires, ensuring they are inflated to the manufacturer's recommended levels, as low pressure is a frequent culprit for this warning. Next, visually inspect each tire for any signs of damage, such as punctures or bulges, which could lead to air loss. If the tires appear to be in good condition, attempt to reset the tire pressure monitoring system, as this can sometimes clear false alerts. If the light persists, using a diagnostic tool to scan for fault codes can provide insights into any underlying issues with the tire pressure monitoring system. Lastly, examine the tire pressure sensors themselves, as malfunctioning sensors can lead to incorrect readings and trigger the warning light. By following these steps, you can effectively diagnose and address the issue, ensuring your vehicle remains safe and roadworthy.

What could cause the tire pressure warning light to remain on in a 2017 Toyota Prius?

When the tire pressure warning light remains illuminated in a 2017 Toyota Prius, it is crucial to understand the common problems that could be causing this issue. One of the primary reasons is low tire pressure, which can easily be checked and corrected by inflating the tires to the manufacturer's recommended levels. If the tire pressure is adequate, the problem may lie with a faulty tire pressure sensor, which could require replacement to restore proper functionality. Additionally, sensor calibration issues can arise, necessitating a recalibration process to ensure accurate readings. Electrical faults within the tire pressure monitoring system can also lead to persistent warning lights, often requiring professional diagnostics to pinpoint the exact issue. Lastly, external interference or obstructions around the sensors can disrupt their operation, so it’s wise to inspect for any physical barriers. Addressing these potential problems promptly not only enhances vehicle safety but also ensures optimal performance, making regular maintenance and troubleshooting essential for every Prius owner.

How urgent is it to address the tire pressure warning light that stays on in a 2017 Toyota Prius?

Addressing the tire pressure warning light in your 2017 Toyota Prius is not just a matter of convenience; it is a critical safety concern that requires immediate attention. When this warning light remains illuminated, it signals that your tires may be underinflated, which can severely compromise your vehicle's handling and braking capabilities. This lack of proper tire pressure can lead to dangerous driving conditions, increasing the likelihood of accidents. Furthermore, neglecting to correct tire pressure can result in uneven tire wear, significantly shortening the lifespan of your tires and leading to costly replacements. Additionally, underinflated tires can negatively impact your fuel efficiency, causing you to spend more on gas over time. Therefore, it is essential to regularly check and adjust your tire pressure to ensure optimal performance and safety. If the warning light persists even after adjustments, it is advisable to consult a professional mechanic to diagnose any underlying issues. Taking these steps not only protects your vehicle but also ensures your safety on the road.

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2017 Toyota Prius Tire Pressure Warning Light Solutions