2017 Audi S5 Tire Pressure Warning Light Stays On

Resolve Tire Pressure Warning Light in 2017 Audi S5: Causes and Solutions

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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 2017 Audi S5 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 Audi S5 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 are the initial steps to diagnose a persistent tire pressure warning light on a 2017 Audi S5?

To effectively diagnose a persistent tire pressure warning light on your 2017 Audi S5, start by checking the tire pressure in all four tires, ensuring they are inflated to the manufacturer's recommended levels. This is often the simplest and most common solution, as low tire pressure can easily trigger the warning light. Next, inspect each tire for any visible damage, such as punctures or bulges, which could indicate a leak. If the tires appear to be in good condition, proceed to reset the tire pressure monitoring system as outlined in your owner's manual; this can help clear any false alerts. To confirm the accuracy of your tire pressure readings, use a reliable tire pressure gauge and adjust the pressure as necessary. If the warning light remains illuminated after these steps, it may indicate a malfunctioning tire pressure sensor, which would require professional diagnostic tools to identify and resolve the issue. By following this methodical approach, you can effectively troubleshoot the warning light and ensure your vehicle's safety and performance.

What could be causing the tire pressure warning light to stay on in a 2017 Audi S5?

When the tire pressure warning light stays on in a 2017 Audi S5, it is essential to identify the underlying issues to ensure safe driving and optimal vehicle performance. The most frequent cause is low tire pressure, which can result from natural air loss or punctures; therefore, regularly checking and inflating your tires to the recommended levels is crucial. Another common problem could be a faulty tire pressure sensor, which may not provide accurate readings, causing the warning light to remain illuminated even if the tire pressure is adequate. Additionally, the sensor's battery might need replacement, as a low or dead battery can hinder its functionality. In some instances, the sensor itself may malfunction, necessitating a replacement. Lastly, the tire pressure monitoring system may require recalibration to reset the warning light, a process that can often be completed by following the vehicle's manual or seeking assistance from a professional. By addressing these common issues promptly, you can maintain proper tire maintenance and ensure a safer driving experience.

How urgent is it to address the tire pressure warning light that stays on in a 2017 Audi S5?

When the tire pressure warning light remains illuminated in a 2017 Audi S5, it is essential to act swiftly to mitigate safety risks and prevent further vehicle damage. Ignoring this warning can lead to dangerous driving conditions, including compromised traction and handling, which significantly increases the likelihood of a tire blowout. Additionally, maintaining the correct tire pressure is vital for optimal vehicle performance; improper inflation can adversely affect fuel efficiency and accelerate tire wear, resulting in a less comfortable driving experience. Furthermore, neglecting this issue can lead to costly repairs, as underinflated or overinflated tires can cause uneven wear and strain on the suspension system. To ensure your safety and the longevity of your vehicle, it is advisable to have the tire pressure system inspected by a qualified mechanic, who can diagnose any underlying issues such as a punctured tire or a faulty sensor. Taking prompt action not only enhances your driving safety but also preserves the integrity of your Audi S5.

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