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Service bulletins for the 2012 Audi S4

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

795 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
421317202604982024-03-04. Service bulletin. POWER TRAIN. Rear axle shaft leaks at differential - S4 and S5 with quattro sports rear differential (PR ? PDU, PDR, or GH2)
401335202318732024-03-04. Service bulletin. STEERING. Squeaking noises when steering or maneuvering
461473202763672024-03-04. Service bulletin. SERVICE BRAKES, HYDRAULIC. squealing from front brakes (PR-1LJ)
441449202256392024-03-04. Service bulletin. STEERING. Steering wheel shimmy, vibration, and/or oscillation
461489202763682024-03-04. Service bulletin. SERVICE BRAKES, HYDRAULIC. squealing from front brakes (PR-1LJ)
4414502022563102024-03-04. Service bulletin. STEERING. Steering wheel shimmy, vibration, and/or oscillation
461486202258452024-03-04. Service bulletin. SERVICE BRAKES. Brake pulsation diagnostic guidelines
401441201819462024-03-04. Service bulletin. SUSPENSION:REAR:SHOCK ABSORBER; SUSPENSION:FRONT:SHOCK ABSORBER. Shock absorber leaks: assessment aid
401440202318742024-03-04. Service bulletin. STEERING. Squeaking noises when steering or maneuvering
441455201033462024-03-04. Service bulletin. WHEELS. Tightening wheel bolts
481463202822042024-03-04. Service bulletin. STEERING. Steering wheel leather damage, all vehicles
4414562022563112024-03-04. Service bulletin. STEERING. Steering wheel shimmy, vibration, and/or oscillation
42131720260492024-02-26. Service bulletin. POWER TRAIN. Rear axle shaft leaks at differential - S4 and S5 with quattro sports rear differential (PR ? PDU, PDR, or GH2)
40144120181942024-02-26. Service bulletin. EQUIPMENT; STRUCTURE. Shock absorber leaks: assessment aid
40144020231872024-02-26. Service bulletin. STEERING. Squeaking noises when steering or maneuvering
40133520231872024-02-26. Service bulletin. STEERING. Squeaking noises when steering or maneuvering
44133620225632024-02-20. Service bulletin. STEERING. Steering wheel shimmy, vibration and/or oscillation
42121420260492024-02-20. Service bulletin. POWER TRAIN. Rear axle shaft leaks at differential - S4 and S5 with Quattro sports rear differential (PR ? PDU, PDR, or GH2)
42121320260492024-02-20. Service bulletin. POWER TRAIN. Rear axle shaft leaks at differential - S4 and S5 with Quattro sports rear differential (PR ? PDU, PDR, or GH2)
37139020329712024-02-20. Service bulletin. POWER TRAIN. Transmission warning message in cluster. Gearbox in limp mode, Fault P17E100 stored in TCM
37126520300072024-02-20. Service bulletin. POWER TRAIN. Customer may report harsh shift concerns. No faults stored and concern is reproducible.
35120820322112024-02-20. Service bulletin. POWER TRAIN. Gearbox warning light on (DTCs P179E00, P179F00, P0700, P060A)
35120720280852024-02-20. Service bulletin. POWER TRAIN. 0B5 7 Speed S-tronic, leaks from transmission
35120620304772024-02-20. Service bulletin. POWER TRAIN. Gearbox malfunction message in cluster (DTC P17D800 or P179D00)
34121220322272024-02-20. Service bulletin. POWER TRAIN. Gearbox warning light on - vehicles with 7 Speed S-tronic (DTC P174B or P174F in gearbox control unit)

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.