Audi A6 Safety Recall History: Electrical, Fuel & Mechanical Bulletins
You’re driving down the highway, and suddenly a warning light flashes on your virtual cockpit. Or worse, your fuel gauge reads half a tank, but the car sputters and dies. For Audi A6 owners, these aren’t just hypotheticals—they’re the reason behind multiple safety recalls affecting hundreds of thousands of vehicles.
The Audi A6, particularly models from 2019 onward, has been subject to a significant number of safety recalls. While this might sound alarming, it’s actually a sign that Audi is proactively addressing issues. The good news? All recall repairs are free at authorized dealers. Let’s break down the most important ones by category so you know what to look for.
Here’s the quick TL;DR:
The Audi A6 has seen over a dozen recalls across its current generation (2019+), covering issues like rearview camera failures, fuel gauge inaccuracies, airbag problems, and even a massive starter-alternator recall affecting nearly 35,000 vehicles. Earlier models (2012-2016) also had recalls for fuel leaks, occupant detection system failures, and fire risks from electrical connectors. Check your VIN regularly—some recalls are as recent as 2026.
Key Takeaways
- 2019-2026 models have the most recalls—over a dozen documented issues
- Two massive starter-alternator recalls affected nearly 47,000 vehicles combined
- Fuel system issues are common—fuel level senders can stick, causing inaccurate readings and sudden stalling
- Electrical problems abound—gateway modules, instrument clusters, and starter generators have all been recalled
- Airbag-related recalls affect both older (2012-2013) and newer (2020-2021) models
- Always check for updates—some recalls are expansions of earlier campaigns
Current Generation (2019-2026) Recalls
The current-generation A6 has been subject to more than a dozen recalls across multiple systems.
Electrical System Recalls
| Recall | Issue | Models Affected | Fix |
|---|---|---|---|
| 90VC | Virtual cockpit display failure | 2021 A6, S6, RS6, A6 Allroad, A7, S7, RS7, A8, Q7, Q8 | Free software update |
| 90V2 | Gateway control module shutdown | 2019-2022 A6, A7, S6, S7, RS7, RS6 | Install protective cover |
| 90TV | Rearview camera failure | 2019-2026 A6 and other models | Free software update |
| 27H2 | Starter generator short circuit | 2019-2020 A6 with mild-hybrid 2.0TFSI | Replace starter generator |
| Starter-Alternator (2020) | Moisture ingress causing failure | 34,982 vehicles | Replace starter-alternator |
| Starter-Alternator (2020) | Additional moisture issue | 11,936 vehicles | Replace starter-alternator |
Fuel System Recalls
| Recall | Issue | Models Affected | Fix |
|---|---|---|---|
| 20DN | Fuel level sender sticks, inaccurate readings | 2019-2022 A6, A7, S6, S7, RS7, RS6 | Replace sensor in fuel tank |
| Fuel Level Sensor (2023) | Sensor can get stuck, cause stalling | 2019-2022 A6 and A7 models (global) | Replace fuel level sensor |
| Sensor Expansion (2023) | Expanded recall | 2021-2022 imported A6 Allroad, A6 Avant, A7, RS6, RS7, S6, S7 (China) | Replace optimized fuel sensor |
Airbag & Restraint Recalls
| Recall | Issue | Models Affected | Fix |
|---|---|---|---|
| 70i2 | Passenger airbag score line defect | 2019-2021 A6, A7, S6, S7, RS7, RS6 | Inspect and repair |
| 70H6 | Passenger airbag deployment issue | 2020 A6, A6 Allroad, A7 | Replace instrument panel |
| Seat Belt Retractors (2025) | Damaged torsion bar in front seat belts | 2025 A6, A5, S5, S6 | Replace seat belts |
| Rear Seat Belts (2025) | Auto-locking retractor failure for child seats | 2025 A6, Q6 e-tron, S6 | Inspect and replace as needed |
Suspension & Mechanical Recalls
| Recall | Issue | Models Affected | Fix |
|---|---|---|---|
| 42L1 | Rear axle trailing arm lock nut failure | 2019-2021 A6, A7, A8, Q5, Q7, Q8, RS6, RS7 | Replace lock nuts and bolts |
| 42L5 | Rear axle alignment not inspected | 2019-2021 A6 and other models | Inspect alignment, replace tires if needed |
Other Recalls
- Brake fluid cap labeling (47T9) : 2019-2021 A6, A7, S6, S7, RS7, RS6—incorrect cap may cause wrong fluid type
- Sunroof bonding (2018) : 59 vehicles—glass may not be bonded correctly
- Towing bracket (2019) : 135 vehicles—hinge module fault
Older Generation Recalls (2012-2016)
Earlier A6 models weren’t without their issues either. Here are the major ones:
| Recall | Issue | Models Affected | Fix |
|---|---|---|---|
| 24BZ (2016) | Fuel hose may degrade and leak | 2012-2013 A6 and A7 | Replace fuel pump and hose |
| 74D1 (2015) | Passenger occupant detection system (PODS) may fail | 2012-2013 A6 and A7 with heated/cooled seats | Install PODS repair kit |
| 82C1 (2018) | Auxiliary heater connector overheating | 2015-2016 A6 | Inspect and replace as needed |
The Most Critical Recalls: What to Prioritize
The Virtual Cockpit Failure (90VC)
This is one of the most significant recalls. A software error can cause your instrument cluster to go blank while driving, losing critical safety information . Fix is a free software update—takes about 1 hour .
The Fuel Level Sender (20DN)
If your fuel gauge reads inaccurately, you could run out of gas without warning . Dealers replace the sensor free of charge.
The 48V Starter Generator (China Recall)
For Chinese-market vehicles, a manufacturing defect can cause the 48V belt-driven starter generator to lose electrical connection, leading to battery drain and sudden power loss. This affects 2021-2023 A6L models .
The Rear Axle Nut (42L1)
A lock nut on the rear axle trailing arm may break due to stress corrosion—this could affect vehicle handling .
How to Check Your Audi A6
- Find Your VIN: Located on your registration, insurance card, or at the bottom of the windshield (driver’s side).
- Check Online:
- NHTSA Recall Search: nhtsa.gov/recalls
- Audi USA Recall Portal: audiusa.com
- Contact Your Dealer: Call an authorized Audi service department with your VIN. They can check for open recalls and campaigns.
- Watch Your Mail: Audi mails recall notices to affected owners. If you recently bought a used A6, make sure your address is updated with the DMV.
Frequently Asked Questions
1. How many recalls does the 2020 Audi A6 have?
The 2020 Audi A6 has 11 recalls listed on NHTSA’s website . This covers issues from electrical systems to fuel gauges to airbags.
2. Does the 2021 Audi A6 have any recalls?
Yes. The 2021 A6 is affected by multiple recalls, including the virtual cockpit display failure (90VC), the fuel level sender issue (20DN), airbag defects, and more .
3. Is the 2025 Audi A6 e-tron affected by any recalls?
Yes. The 2025 A6 e-tron has recalls for seat belt retractor issues—both front and rear seat belts may have defects .
4. What is the Audi A6 48V battery recall?
In China, a recall for 2021-2023 A6L models (2,848 vehicles) addresses a 48V belt-driven starter generator defect that can cause battery drain and sudden power loss . This expands a previous recall from December 2024.
5. Are Audi A6 recall repairs free?
Yes. All recall repairs are performed free of charge at authorized Audi dealers .
6. My 2012 Audi A6 has a recall—is it still covered?
A recall doesn’t expire. You can still get the repair done free of charge, even if you bought the car used .
7. How do I know if my A6 has an open recall?
Enter your VIN on NHTSA’s recall website or Audi’s official recall portal. Both will show all open recalls for your specific vehicle.
References
Trusted Resources for Audi A6 Recall Information
- NHTSA Official Recall Search
- Audi USA Official Website
- What Car? – Audi A6 Reliability Review
- The Center for Auto Safety
Have you ever dealt with a recall on your Audi A6? What was your experience getting it fixed? Share your story in the comments below!
