2019 Porsche 718 Boxster Tire Pressure Warning Light Stays On

Resolve Tire Pressure Warning Light in 2019 Porsche 718 Boxster

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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 2019 Porsche 718 Boxster 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 2019 Porsche 718 Boxster 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 2019 Porsche 718 Boxster?

To effectively diagnose the tire pressure warning light issue in your 2019 Porsche 718 Boxster, begin with a thorough check of the tire pressure in all four tires using a reliable tire pressure gauge. It's crucial to ensure that the pressure aligns with the recommended levels found in your owner's manual or on the sticker located on the driver's side door jamb. Next, conduct a visual inspection of each tire for any signs of damage, such as cuts, bulges, or punctures, and look for any foreign objects that may be lodged in the tread. If the tire pressure is correct and no visible damage is present, proceed to reset the tire pressure monitoring system, which can typically be done through the vehicle's onboard menu or by following the specific instructions in your owner's manual. Should the warning light remain illuminated after these steps, it may indicate a more complex issue that requires the expertise of a professional mechanic or dealership technician, who can utilize specialized tools to diagnose any underlying problems with the tire pressure monitoring system. By following this diagnostic approach, you can systematically address the warning light issue and ensure your vehicle's safety on the road.

What could be causing the tire pressure warning light to stay on in a 2019 Porsche 718 Boxster?

When the tire pressure warning light stays illuminated in a 2019 Porsche 718 Boxster, it can signal several underlying issues that DIY enthusiasts should investigate. The most common reason is low tire pressure, so it's crucial to regularly check and inflate your tires to the recommended levels for optimal safety and performance. If the tire pressure is adequate, consider the possibility of a faulty tire pressure sensor, which may not accurately detect pressure changes, keeping the warning light on. Additionally, sensor calibration issues can occur, requiring recalibration to ensure accurate readings. Inspecting your tires for visible damage or punctures is also essential, as these can lead to pressure loss and trigger the warning light. Lastly, an electrical fault within the tire pressure monitoring system (TPMS) could be the culprit, which may necessitate diagnostic testing to identify the problem. If you've addressed these common issues and the warning light remains on, it's advisable to consult a qualified mechanic or an authorized Porsche service center for a comprehensive diagnosis.

How urgent is it to address the tire pressure warning light on my 2019 Porsche 718 Boxster?

Addressing the tire pressure warning light on your 2019 Porsche 718 Boxster is not just a matter of convenience; it is a critical safety concern that requires immediate attention. Underinflated tires can severely compromise your vehicle's handling and braking capabilities, increasing the risk of accidents on the road. Moreover, driving with low tire pressure accelerates tire wear, leading to premature damage that can result in costly replacements. Additionally, neglecting this warning can negatively impact your fuel efficiency, forcing your engine to work harder and consume more fuel. Therefore, it is essential to check and adjust your tire pressure as soon as the warning light illuminates, ensuring your safety, preserving your tires, and maintaining optimal performance and efficiency of your vehicle.

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