2009 Audi A6 problems & reliability
21 owner complaints filed with NHTSA for the 2009 Audi A6, alongside 4 safety recall campaigns. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
Federal crash records (FARS 2020–2023): 2009 Audi A6 vehicles were involved in 4 fatal crashes with 2 occupant deaths. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Air Bags → | 17 | 81% |
| Electrical System | 1 | 5% |
| Electronic Stability Control (esc) | 1 | 5% |
| Power Train | 1 | 5% |
| Structure | 1 | 5% |
| Unknown OR Other | 1 | 5% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Complaints by incident year
What owners report
“Old Battery replaced by Audi dealer with new battery since car would not start. Second Audi dealer checked battery and connections since car would not start. Car started at dealer; however car doesn’t start now about a week after picked up at dealer. This is a major safety issue and driver & passengers are at risk…”
Electrical System · filed Aug 23, 2021
“Tl* takata recall. The contact owns a 2009 audi a6. The contact received notification of nhtsa campaign number: 18v427000 (air bags); however, the parts to do the repair were unavailable. The contact stated that the manufacturer exceeded a reasonable amount of time for the recall repair. The dealer (audi fairfield…”
Air Bags · filed Jul 17, 2018
“Takata recall I can't get anywhere getting this recall directed to me. I can't get it inspected until it's changed out and when I try airbagrecall.com and enter the info, nothing happens. It tell me to enter valid information.”
Air Bags · filed Jan 31, 2018
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
709 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2009 Audi A6. The 10 most recent:
This bulletin provides information about professional noise analysis with the VAS 611 015 PICO-NVH tool
TSB_2070568_6 · Service Bulletin/Repair Instructions · issued Apr 22, 2026
This bulletin provides information about professional noise analysis with the VAS 611 015 PICO-NVH tool
TSB_2070568_5 · Service Bulletin/Repair Instructions · issued Aug 19, 2025
This bulletin provides information about professional noise analysis with the VAS 611 015 PICO-NVH tool
TSB_2070568_4 · Service Bulletin/Repair Instructions · issued Jul 10, 2025
This bulletin provides informatin when the engine does not run smoothly at idling speeds.
TSB_2075530_2 · Service Bulletin/Repair Instructions · issued Mar 12, 2025
This bulletin provides information in circumstances where there are noises/vibration from front of vehicle in dynamic mode.
A2724842074729_2 · Service Bulletin/Repair Instructions · issued Dec 6, 2024
This bulletin provides information when the MIL is on; DTCs for misfire, air/fuel ratio imbalance, or lean fuel system stored in the ECM P030000.
A0124482014753_13 · Service Bulletin/Repair Instructions · issued Dec 5, 2024
This TSB Provides information when parking assistance provides false warnings.
A9124872024323_11 · Service Bulletin/Repair Instructions · issued Nov 26, 2024
This bulletin provides information when speaker rattles, vibrations, or audio interference is noted.
A9124842018187_17 · Service Bulletin/Repair Instructions · issued Nov 22, 2024
This bulletin provides information about professional noise analysis with the VAS 611 015 PICO-NVH tool
A0024992070568_3 · Service Bulletin/Repair Instructions · issued Nov 20, 2024
This bulletin provides diagnostic information regarding the locking system.
A5724652022032_11 · Service Bulletin/Repair Instructions · issued Oct 31, 2024
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2009 Audi A6 has 4 NHTSA recall campaigns — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2009 Audi A6?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.