2022 Audi S8 Tire Pressure Warning Light Stays On

Common Causes for the Tire Pressure Warning Light in Your 2022 Audi S8 and How to Resolve Them

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Reviewed by
Devin Cabugcal
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 2022 Audi S8 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 2022 Audi S8 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 are the initial steps to diagnose a persistent tire pressure warning light on a 2022 Audi S8?

When faced with a persistent tire pressure warning light on your 2022 Audi S8, 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 such warnings. Next, inspect each tire for visible damage or punctures that could indicate a slow leak. If the tires appear to be in good condition, proceed to reset the tire pressure monitoring system following the instructions in your owner's manual, as this can sometimes resolve the issue. To confirm the accuracy of your tire pressure readings, use a reliable tire pressure gauge. If the warning light remains illuminated after these steps, it may indicate a faulty tire pressure sensor, which would require further investigation or replacement. By following this methodical approach, you can effectively diagnose and address the tire pressure warning light issue, ensuring your Audi S8 remains safe and roadworthy.

What could cause the tire pressure warning light to stay on in a 2022 Audi S8?

When the tire pressure warning light stays on in a 2022 Audi S8, it can be indicative of several common problems that are important to address. The first step is to check the tire pressure in all four tires, as low pressure is the most frequent cause of this warning. If the pressure is within the recommended range, the next potential issue could be a faulty tire pressure sensor, which may not be accurately detecting the tire pressure. In some cases, the sensors might need recalibration to ensure they are providing correct readings. Additionally, it's essential to inspect the tires for any visible damage or punctures, as these can lead to a drop in pressure and trigger the warning light. Lastly, consider the possibility of electrical or wiring issues within the tire pressure monitoring system, which could require a more thorough examination. By methodically checking these factors, you can effectively troubleshoot and resolve the tire pressure warning light issue in your Audi S8.

What should I do if the tire pressure warning light on my 2022 Audi S8 stays on?

When the tire pressure warning light on your 2022 Audi S8 stays illuminated, it is essential to take immediate action to prevent safety risks and potential vehicle damage. Neglecting this warning can lead to compromised handling, increased tire wear, and even blowouts, which can be dangerous while driving. Begin by checking the tire pressure in all tires, including the spare, using a reliable gauge to ensure they align with the manufacturer's specifications. If you discover any discrepancies, adjust the pressure accordingly, as both overinflation and underinflation can trigger the warning light. Additionally, inspect the tires for visible damage such as punctures or bulges, as these issues can significantly impact performance and safety. After making the necessary adjustments, you may need to reset the tire pressure monitoring system, which is typically outlined in your owner's manual. If the warning light remains on despite your efforts, it is wise to consult a certified Audi mechanic, as there may be a more complex issue with the monitoring system that requires professional attention. By addressing these concerns promptly, you not only ensure your safety but also help maintain the longevity and performance of your vehicle.

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