2012 Audi S4 problems & reliability
22 owner complaints filed with NHTSA for the 2012 Audi S4, alongside 1 safety recall campaign. 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): 2012 Audi S4 vehicles were involved in 2 fatal crashes with 4 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 |
|---|---|---|
| Power Train → | 14 | 64% |
| Fuel/propulsion System | 5 | 23% |
| Electrical System | 3 | 14% |
| Service Brakes | 2 | 9% |
| Unknown OR Other | 2 | 9% |
| Vehicle Speed Control | 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
“Circuit board on the mechatronics unit failed and car is under 100k miles. Sudden shaking and banging on the highway when giving it gas above 30. Frequent jolts, dangerous to drive...”
Power Train · filed Sep 27, 2019
“The dsg transmission in my audi s4 experiences abrupt jerking from 2nd to 1st great while decelerating. It also jerks and feels like it is being hit while shifting from 1st to 2nd when accelerating normally.”
Power Train · filed Aug 24, 2019
“Fuel injector leaking and needs replaced. My car was never on the recall list. Sitting at audi dealer now.”
Fuel/propulsion System · filed Jul 31, 2019
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
785 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2012 Audi S4. The 10 most recent:
This bulletin provides a statement regarding the bottleneck of supply for VW approved oil types VW 504.00 and VW 507.00.
TSB_2082846_1 · Service Bulletin/Repair Instructions · issued Jul 27, 2026
This bulletin provides information when there is a film/visible rings on the clear glass cover of the headlight when the dipped beam is switched on.
TSB_2073282_1 · Service Bulletin/Repair Instructions · issued Jul 9, 2026
This bulleitn provides information when there are running problems/restricted functions, 0B5 gearbox.
TSB_2082048_1 · Service Bulletin/Repair Instructions · issued Jun 23, 2026
This bulletin provides information when there are noises from the area around the instrument cluster.
TSB_2059335_7 · Service Bulletin/Repair Instructions · issued Jun 23, 2026
This bulletin provides informationwhen noises/vibration are detected from front of vehicle in dynamic mode.
TSB_2074729_3 · Service Bulletin/Repair Instructions · issued Jun 23, 2026
This bulletin provides information when there is restricted function with DTC P141D (8940), 0B5 gearbox.
TSB_2082102_1 · Service Bulletin/Repair Instructions · issued Jun 22, 2026
This bulletin provides informaiton when the engine is not running smoothly, misfiring.
TSB_2082323_1 · Service Bulletin/Repair Instructions · issued Jun 10, 2026
This Reporting Obligation requires technicains to contact the Technical Assistance Center (TAC) in cases where the airbag/seatbelt is deployed/not deployed; general accident information; and fire and overheat damage.
TSB_2052680_6 · Service Bulletin/Repair Instructions · issued Jun 4, 2026
This is a notice for software changes with the ODIS diagnostic program to correct the communication during vehicle programming function: A software fix is needed to correct the issue: The ODIS Audi Brand update 2.41.1…
AOS-26-25 · Service Bulletin/Repair Instructions · issued May 26, 2026
This bulletin provides diagnostic information for the vehicle locking system.
TSB_2022032_12 · Service Bulletin/Repair Instructions · issued Apr 30, 2026
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 2012 Audi S4 has 1 NHTSA recall campaign — 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 2012 Audi S4?
- · 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.