2017 Toyota Prius V Tire Pressure Warning Light Stays On

Resolve Tire Pressure Warning Light in 2017 Toyota Prius V: 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 2017 Toyota Prius V 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 V 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 in my 2017 Toyota Prius V?

To effectively diagnose the tire pressure warning light issue in your 2017 Toyota Prius V, begin with a straightforward approach that prioritizes simple solutions before delving into more complex diagnostics. Start by checking the tire pressure in all four tires using a reliable tire pressure gauge, ensuring that each tire is inflated to the recommended PSI as indicated in your owner's manual or on the driver's side door jamb sticker. Next, inspect the tires for any visible damage, such as punctures or bulges, which could lead to air leaks. If you find any discrepancies in tire pressure, adjust accordingly—either inflating under-inflated tires or deflating those that are over-inflated. After making these adjustments, it’s essential to reset the tire pressure monitoring system (TPMS) to clear the warning light; refer to your owner's manual for specific reset instructions. Don’t overlook the spare tire, as it can also trigger the warning light if its pressure is low. If the warning light remains illuminated despite these checks, it may indicate a more serious issue with the TPMS sensors or system, at which point seeking professional assistance from a certified mechanic or Toyota dealership is advisable. By following this methodical approach, you can efficiently 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 2017 Toyota Prius V?

When the tire pressure warning light stays on in your 2017 Toyota Prius V, it can indicate several underlying issues that you can address through DIY troubleshooting. The most common reason is low tire pressure, so start by checking each tire and inflating them to the recommended levels found in your owner’s manual. If the pressure is correct, the next step is to consider the possibility of a faulty tire pressure sensor, which may need replacement if it’s malfunctioning. Additionally, sensor calibration issues can occur, requiring a recalibration to ensure accurate readings; this can often be done at home with the right tools or by a professional. Electrical faults within the tire pressure monitoring system can also cause the warning light to remain illuminated, and diagnosing these issues may require specialized equipment. Lastly, check for any electronic interference or physical obstructions near the sensors that could disrupt their function. By methodically investigating these common problems, you can effectively troubleshoot the tire pressure warning light and maintain your vehicle's safety and performance. If the light continues to stay on after your efforts, consulting a professional mechanic or dealership for further assistance is advisable.

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

Addressing the tire pressure warning light in your 2017 Toyota Prius V 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 increased stopping distances and a higher likelihood of losing control, especially in adverse weather conditions. Furthermore, neglecting this warning can result in uneven tire wear, which not only shortens the lifespan of your tires but can also lead to costly replacements. Additionally, underinflated tires can significantly reduce your vehicle's fuel efficiency, leading to higher fuel costs over time. Therefore, it is essential to check and adjust your tire pressure as soon as the warning light comes on. If the light persists after making adjustments, it may indicate a more serious issue that warrants professional inspection. Taking prompt action not only ensures your safety but also enhances the overall performance and longevity of your vehicle.

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