2014 Toyota Prius V Tire Pressure Warning Light Stays On

Resolve Tire Pressure Warning Light in 2014 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 2014 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 2014 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 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 2014 Toyota Prius V?

To effectively diagnose the tire pressure warning light issue in your 2014 Toyota Prius V, begin with a thorough check of the tire pressure in all four tires using a reliable tire pressure gauge. It's essential to ensure that the pressure aligns with the recommended PSI, which can be found in your owner's manual or on the driver's side door jamb sticker. Next, inspect each tire for any visible damage, such as punctures, cuts, or bulges, as these can lead to air leaks and affect overall tire pressure. If you find any discrepancies, adjust the tire pressure accordingly by adding air to underinflated tires or releasing air from overinflated ones. After making these adjustments, you may need to reset the tire pressure monitoring system (TPMS) in your Prius V; refer to your owner's manual for specific instructions on this process. Additionally, 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 and adjustments, it may indicate a more complex issue with the TPMS sensors or system, at which point seeking assistance from a certified mechanic or dealership is advisable for further diagnosis and repair. By following this diagnostic approach, you can systematically 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 2014 Toyota Prius V?

When the tire pressure warning light stays on in a 2014 Toyota Prius V, it can be frustrating, but understanding the common problems can help you troubleshoot effectively. The most frequent cause is low tire pressure, which can be easily checked using a tire pressure gauge. Make sure all tires are inflated to the recommended levels specified in your owner’s manual. If the pressure is adequate, the next step is to consider the possibility of a faulty tire pressure sensor, which may need replacement if it is malfunctioning. Additionally, if you’ve recently changed or rotated your tires, the sensors might require recalibration to ensure accurate readings. Electrical issues within the tire pressure monitoring system can also lead to the warning light remaining on, so inspecting the wiring and connections is essential. Lastly, be aware of any electronic devices or physical obstructions that could interfere with the sensors. By methodically addressing these potential issues, you can effectively diagnose and resolve the tire pressure warning light problem in your Prius V.

How urgent is it to address the tire pressure warning light that stays on in a 2014 Toyota Prius V?

Addressing the tire pressure warning light in your 2014 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 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 vehicle's 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 qualified mechanic to investigate potential underlying issues. Taking these steps not only enhances your safety but also protects your investment in your vehicle.

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