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Service bulletins for the 2011 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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
A9424722073282_12024-04-04. Service bulletin. UNKNOWN OR OTHER; EXTERIOR LIGHTING:HEADLIGHTS. This bulletin provides information on visual concerns with the headlight lens.
A4824612034351_12024-03-06. Service bulletin. STEERING:COLUMN; UNKNOWN OR OTHER. This bulletin contains repair information for when there is a creaking/squeaking from the steering column when steering slowly.
A4824602073033_12024-03-06. Service bulletin. STEERING:COLUMN; UNKNOWN OR OTHER. This bulletin provides information for when the steering column adjustment does not work.
A9124632044694_32024-03-06. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). This bulletin provides information pertaining to MMI Navigation database concerns.
A7024872038029_92024-03-06. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY. This bulletin provides information for when there are noises from the headliner/sunroof area.
46134120276362024-03-04. Service bulletin. SERVICE BRAKES, HYDRAULIC. squealing from front brakes (PR-1LJ)
461330202763652024-03-04. Service bulletin. SERVICE BRAKES, HYDRAULIC. squealing from front brakes (PR-1LJ)
451307203341222024-03-04. Service bulletin. SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT. ABS warning light on with additional warning lights on (EPB/TPMS/EPC/MIL) - Wire harness damage
441346201033452024-03-04. Service bulletin. WHEELS. Tightening wheel bolts
441344202256382024-03-04. Service bulletin. STEERING. Steering wheel shimmy, vibration and/or oscillation
441342202256372024-03-04. Service bulletin. SUSPENSION. Steering wheel shimmy, vibration and/or oscillation
441338203444512024-03-04. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. Message "TPMS" in dash insert
441335202256352024-03-04. Service bulletin. STEERING. Steering wheel shimmy, vibration and/or oscillation
431319203416212024-03-04. Service bulletin. SUSPENSION; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC). Replaced adaptive damping suspension control module cannot be coded
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
401334201819452024-03-04. Service bulletin. SUSPENSION:REAR:SHOCK ABSORBER; SUSPENSION:FRONT:SHOCK ABSORBER. Shock absorber leaks: assessment aid
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

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