2017 Audi A6 AC Isn't Working

Common Causes of AC Malfunctions in Your 2017 Audi A6 and How to Resolve Them

Find Repair Location
Reviewed by
Devin Cabugcal
Written by RepairPal Car Genius
Updated January 14, 2025
0%
37% chance it's the
Refrigerant Leak
0%
21% chance it's the
Climate Control Electrical Issue
0%
12% chance it's the
AC Compressor
0%
30% chance it's
Something else
The most common reasons a 2017 Audi A6 AC isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor.
  • Refrigerant Leak: A refrigerant leak can occur due to damaged hoses, seals, or connections, resulting in decreased cooling efficiency in the air conditioning system.
  • Climate Control Electrical Issue: A faulty climate control module or a blown fuse could be causing the electrical issues in the climate control system.
  • AC Compressor: A faulty AC compressor may be due to a lack of lubrication, electrical issues, or internal mechanical failure, resulting in inadequate cooling performance.
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.

What are the initial diagnostic steps to take when the AC isn't working in a 2017 Audi A6?

When your 2017 Audi A6's AC isn't functioning properly, start by checking the thermostat settings to ensure they are correctly adjusted. Sometimes, the issue may simply stem from incorrect temperature settings. Next, inspect the air vents to confirm that air is flowing when the AC is activated; a lack of airflow could indicate a problem with the blower motor or a blockage in the ducts. Pay attention to any unusual noises when the AC is running, as these sounds can signal issues with the compressor or other components. It's also crucial to check the refrigerant levels, as low levels can significantly impact cooling efficiency; if necessary, consider having these levels assessed by a professional. Additionally, look for any visible leaks around the AC system, as these can lead to further complications if not addressed. Finally, ensure that all electrical connections related to the AC are secure and free from corrosion, as faulty connections can hinder the system's performance. By systematically following these steps, you can effectively diagnose and potentially resolve the AC issues in your Audi A6.

What are the common problems that could cause the AC to stop working in a 2017 Audi A6?

When troubleshooting the air conditioning system in a 2017 Audi A6, it's essential to recognize the common problems that could lead to its failure. One of the primary issues is low refrigerant levels, which can significantly impair cooling performance or even cause the AC to stop working altogether. Another frequent culprit is a faulty compressor; if the compressor is malfunctioning, it won't circulate refrigerant effectively, resulting in warm air blowing from the vents. Additionally, electrical issues such as blown fuses or faulty wiring can disrupt the AC's operation, preventing it from functioning as intended. Clogged or leaking condensers can also hinder the system's ability to cool air, while broken cooling fans may fail to dissipate heat properly, further compromising performance. Identifying these issues early on can help you address them effectively, but for a thorough diagnosis and repair, consulting a qualified mechanic is recommended to ensure your AC system operates at its best.

How urgent is it to address the non-functioning AC in a 2017 Audi A6?

When considering the urgency of fixing a non-functioning AC in your 2017 Audi A6, it's crucial to recognize that while it may not seem like an immediate emergency, the implications of neglecting this issue can be significant. A malfunctioning AC system can lead to discomfort during hot weather, making long drives unbearable and detracting from the overall driving experience. More critically, it can compromise safety by causing fogging on the windshield, which reduces visibility and increases the risk of accidents, particularly in adverse weather conditions. Additionally, a properly functioning AC system plays a vital role in maintaining air quality within the vehicle, filtering out pollutants and allergens that can affect the health of all occupants. Lastly, addressing AC issues promptly can help preserve the resale value of your Audi A6, as potential buyers are likely to be deterred by a vehicle with unresolved mechanical problems. Therefore, while it may not be an urgent crisis, taking action to repair your AC system is essential for ensuring comfort, safety, health, and the longevity of your vehicle.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.