2013 Audi A5 Tire Pressure Warning Light Stays On

Resolve Persistent Tire Pressure Warning Light in 2013 Audi A5

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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 2013 Audi A5 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 2013 Audi A5 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 steps should I take to diagnose the tire pressure warning light issue in my 2013 Audi A5?

To effectively diagnose the tire pressure warning light issue in your 2013 Audi A5, begin with a thorough check of the tire pressure in all four tires using a reliable tire pressure gauge. Ensure that each tire is inflated to the manufacturer's recommended levels, which can typically be found in your owner's manual or on a sticker located inside the driver's door jamb. Next, inspect the tires for any visible damage, such as punctures, cuts, or bulges, and look for signs of uneven wear that may suggest an alignment problem. If the tire pressure is correct and the tires appear undamaged, proceed to reset the tire pressure monitoring system (TPMS) as it may require recalibration after adjustments. Consult your owner's manual for specific instructions on how to perform this reset. If the warning light remains illuminated, it could indicate a faulty tire pressure sensor, which may necessitate the use of a diagnostic tool by a mechanic to pinpoint the malfunctioning sensor. Should you find yourself unable to resolve the issue through these steps, it is advisable to seek assistance from a certified mechanic or dealership for a comprehensive inspection and repair. By following this diagnostic approach, you can systematically address the tire pressure warning light issue in your Audi A5.

What could be causing the tire pressure warning light to stay on in a 2013 Audi A5?

When the tire pressure warning light remains on in your 2013 Audi A5, it can be frustrating, but understanding the common problems can help you diagnose the issue. One of the primary culprits is low tire pressure, which is easily rectified by checking and inflating your tires to the recommended levels. If the pressure is adequate, the problem may lie with a faulty tire pressure sensor, which could require replacement. Additionally, sensor calibration issues can arise, necessitating a recalibration process as outlined in your vehicle's manual. Electrical faults within the tire pressure monitoring system (TPMS) can also trigger the warning light, and these may require professional diagnostics to pinpoint the exact problem. Lastly, external factors such as dirt or debris obstructing the sensors can lead to inaccurate readings. By systematically addressing these potential issues, you can effectively troubleshoot the tire pressure warning light and ensure your Audi A5 is safe and roadworthy.

How urgent is it to address the tire pressure warning light that stays on in a 2013 Audi A5?

Addressing the tire pressure warning light in your 2013 Audi A5 is not just a matter of convenience; it is a critical safety issue 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 is particularly dangerous in adverse weather conditions, where the risk of accidents increases significantly. Additionally, neglecting this warning can lead to uneven tire wear, which not only shortens the lifespan of your tires but also raises the likelihood of a blowout while driving. Furthermore, underinflated tires can negatively impact your fuel efficiency, leading to higher fuel costs over time. Lastly, the tire pressure monitoring system (TPMS) itself may be malfunctioning, which could prevent you from receiving alerts about other potential tire issues. Therefore, it is crucial to check and adjust your tire pressure promptly or consult a professional if the warning light persists, ensuring both your safety and the longevity of your vehicle.

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