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Service bulletins for the 2011 Audi A4

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.

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

By type

By component

By trouble code

Bulletins, newest first
441455201033462024-03-04. Service bulletin. WHEELS. Tightening wheel bolts
481463202822042024-03-04. Service bulletin. STEERING. Steering wheel leather damage, all vehicles
401443203585442024-03-04. Service bulletin. SUSPENSION. Rattling or knocking noise from front end when driving over bumps
4414562022563112024-03-04. Service bulletin. STEERING. Steering wheel shimmy, vibration, and/or oscillation
40144320358542024-02-26. Service bulletin. BACK OVER PREVENTION. Rattling or knocking noise from front end when driving over bumps
40144220358542024-02-26. Service bulletin. BACK OVER PREVENTION. Rattling or knocking noise from front end when driving over bumps
40144120181942024-02-26. Service bulletin. EQUIPMENT; STRUCTURE. Shock absorber leaks: assessment aid
40144020231872024-02-26. Service bulletin. STEERING. Squeaking noises when steering or maneuvering
40143920358542024-02-26. Service bulletin. SUSPENSION. Rattling or knocking noise from front end when driving over bumps
40133720358542024-02-26. Service bulletin. SUSPENSION. Rattling/knocking noise from front end over bumps
40133520231872024-02-26. Service bulletin. STEERING. Squeaking noises when steering or maneuvering
40133420181942024-02-26. Service bulletin. BACK OVER PREVENTION; STRUCTURE. Shock absorber leaks: assessment aid
44133620225632024-02-20. Service bulletin. STEERING. Steering wheel shimmy, vibration and/or oscillation
37138620289852024-02-20. Service bulletin. POWER TRAIN. Transmission warning message in cluster, P074100 stored in TCM
37138520289852024-02-20. Service bulletin. POWER TRAIN. Transmission warning message in cluster, P074100 stored in TCM
37127720290272024-02-20. Service bulletin. POWER TRAIN. Transmission warning message in cluster, P060A00 stored
37127620293052024-02-20. Service bulletin. POWER TRAIN. Harsh downshifts when braking or harsh 1-2 upshift under acceleration
37126620290272024-02-20. Service bulletin. POWER TRAIN. Transmission warning message in cluster, P060A00 stored
37126520300072024-02-20. Service bulletin. POWER TRAIN. Customer may report harsh shift concerns. No faults stored and concern is reproducible.
37126420306482024-02-20. Service bulletin. ENGINE AND ENGINE COOLING. Engine speed increases when driving downhill, vehicle speed is not increased - CVT transmission
34131520267192024-02-20. Service bulletin. POWER TRAIN. 6th gear jumps out - 0B1/0B2 gearbox
27121520311452024-02-20. Service bulletin. ELECTRICAL SYSTEM. Excessive Voltage DTCs present in multiple control units
27121420311452024-02-20. Service bulletin. ELECTRICAL SYSTEM. Excessive Voltage DTCs present in multiple control units
17133620301972024-02-20. Service bulletin. ENGINE AND ENGINE COOLING. Engine oil consumption - Customer complaints, 3.0T TFSI Model Year 2009 ? 2012
17123420301972024-02-20. Service bulletin. ENGINE AND ENGINE COOLING. Engine oil consumption too high, 3.0T TFSI Model Year 2009 - 2012

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