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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
TSB_2023187_82026-04-07. Service bulletin. SUSPENSION. This bulletin provides informaiotn regarding squeaking noises when steering or maneuvering.
DC_Audi_CF_ Airbag2026-04-07. Other. AIR BAGS. The National Highway Traffic Safety Administration (NHTSA) has issued an urgent warning regarding counterfeit replacement airbag inflators that are being installed in used vehicles.
TSB_2059335_62026-03-03. Service bulletin. ELECTRICAL SYSTEM. This TSB provides information when there are noises from the area around the instrument cluster.
TSB_2052680_42026-03-03. Service bulletin. UNKNOWN OR OTHER. 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_2021205_102026-03-03. Service bulletin. ENGINE. This bulletin provides information on VIN Plates, Safety Certification labels, and the ordering procedures.
TSB_2080681_12026-02-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information regarding contact checks for event memories, intermittent.
TSB_2080329_12026-02-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides informaiotn when there are noises from the headliner.
TSB_2074846_42026-02-06. Service bulletin. STEERING. This bulletin provides information about vibrations and rotational steering vibrations.
TSB_2060750_52026-02-06. Service bulletin. ENGINE. This bulletin provides information regarding UV leak additive for finding oil leaks.
TSB_2056019_52026-02-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when the anti-theft alarm activates for no reason, or does not activate.
TSB_2021205_92026-01-07. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information on VIN Plates, Safety Certification labels, and the ordering procedures.
TSB_2018187_182026-01-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when there are speaker rattles, vibrations, or audio interference.
TSB_2069904_22025-11-08. Service bulletin. SERVICE BRAKES. This bulletin provides information for all models regarding brake sounds.
TSB_2079732_12025-11-08. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information when tehre is a paint issue on alloy wheels.
TSB_2075120_22025-11-08. Service bulletin. SERVICE BRAKES. This bulletin provides information regarding the general approach for all Audi vehicles regarding brake vibrations.
TSB_2074846_32025-11-08. Service bulletin. STEERING. This TSB provides information regarding rotational and other steerihng wheel vibrations.
TSB_2072304_32025-11-08. Service bulletin. SERVICE BRAKES. This bulletin provides information when there is an ABS/ESC speed sensor implausible signal.
TSB_2069078_32025-11-08. Service bulletin. SERVICE BRAKES. This bulletin provides information on the zirconium insercts in the brake piston (ceramic brakes only).
TSB_2056386_112025-11-08. Service bulletin. WHEELS. This bulletin provides information about the steering wheel alignment.
TSB_2047812_82025-11-08. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information on how to set up and use the FMC for obtaining vehicle software updates (SD Creator decomissioned).
TSB_2073917_22025-11-08. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information for when there is a fluid sample request from Product Support.
TSB_2071264_22025-10-03. Service bulletin. ELECTRICAL SYSTEM. This bulleitn provides information whent here are complaints about route guidance with Navigation.
TSB_2041717_142025-10-03. Service bulletin. VISIBILITY/WIPER. This bujlletin provides information regarding the GFF test plan required for A/C compressor replacements regardless of the concern.
TSB_2042920_32025-09-04. Service bulletin. STRUCTURE:BODY. This bulletin provides information when there is corrosion on the tailpipes.
TSB_2074436_22025-09-04. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information when the horn sound quality is poor.

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