2018 Audi A3 Technical Service Bulletins

641 technical service bulletins (TSBs) are on record for the 2018 Audi A3. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 11030984Mar 2, 2026Electrical system. This bulletin provides information when the parking assistance gives false warnings.
• 11030980Mar 2, 2026Air 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.
• 11029368Feb 20, 2026Engine. This bulletin provides information on the use of the Audi frequencly analysis app, and where the application can be downloaded.
• 11029367Feb 20, 2026Engine. This bulletin provides information on VIN Plates, Safety Certification labels, and the ordering procedures.
• 11029407Feb 17, 2026Electrical system. This bulletin provides informaiotn when the starter battery is discharged or defective.
• 11029370Feb 17, 2026Electrical system. This TSB provides information when there are noises from the area around the instrument cluster.
• 11029369Feb 12, 2026Other or unknown. 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.
• 11028480Jan 30, 2026Suspension. This bulletin provides information when there are creaking/squeakignnoises from the front end on uneven roads.
• 11028446Jan 22, 2026Electrical system. This bulletin provides informaiotn when there are noises from the headliner.
• 11028448Jan 21, 2026Electrical system. This bulletin provides information regarding contact checks for event memories, intermittent.
• 11028401Jan 14, 2026Electrical system. This bulletin provides information for when the 12V socket and/or the cigarette lighter are not working.
• 11028398Jan 14, 2026Engine. This bulletin provides information regarding UV leak additive for finding oil leaks.
• 11028405Jan 13, 2026Steering. This bulletin provides information about vibrations and rotational steering vibrations.
• 11028399Jan 5, 2026Transmission and drivetrain. This bulletin provides information when there is an oil leak near the transmission cooler.
• 11028397Jan 5, 2026Electrical system. This bulletin provides information when the anti-theft alarm activates for no reason, or does not activate.
• 11027441Dec 19, 2025Electrical system. This bulletin provides informaiotn when the starter battery is discharged or defective.
• 11027438Dec 19, 2025Electrical system. This bulletin provides service infrmation for workshop mode with Audi connect vehicles.
• 11027373Dec 16, 2025Other or unknown. This bulletin provides information on VIN Plates, Safety Certification labels, and the ordering procedures.
• 11027368Dec 11, 2025Electrical system. This bulletin provides information when the Emergency call LED in the roof module is not lit up green.
• 11027358Dec 11, 2025Transmission and drivetrain. This bulletin provides additoinal information to assist in determining the energy content of lithium-ion high-voltage batteries.
• 11027356Dec 11, 2025Engine. This bulletin provides information when there is increased oil consumption; >0.5ltr/1000 km.
• 11027350Dec 11, 2025Steering. This bulletin provides regarding visual damage for all vehicles.
• 11027321Dec 9, 2025Electrical system. This bulletin provides information when there are speaker rattles, vibrations, or audio interference.
• 11027322Dec 3, 2025Electrical system. This bulletin provides information about voice recognition performance, and bluetooth call quality issues on the other end of the line.
• 11027342Dec 1, 2025Fuel system. This bulletin provides information when there is a noise from the fuel line.
• 11025369Oct 22, 2025Brakes. This bulletin provides information for all models regarding brake sounds.
• 11025342Oct 21, 2025Brakes. This bulletin provides information regarding the general approach for all Audi vehicles regarding brake vibrations.
• 11025333Oct 21, 2025Brakes. This bulletin provides information on the zirconium insercts in the brake piston (ceramic brakes only).
• 11025330Oct 21, 2025Brakes. This bulletin provides information when there is corrosion on the friction survace of steel brake discs.
• 11025339Oct 20, 2025Wheels. This bulletin provides information when there is a wheel/tire imbalance.
• 11025357Oct 17, 2025Other or unknown. This bulletin provides information when tehre is a paint issue on alloy wheels.
• 11025340Oct 17, 2025Steering. This TSB provides information regarding rotational and other steerihng wheel vibrations.
• 11025336Oct 17, 2025Brakes. This bulletin provides information when there is an ABS/ESC speed sensor implausible signal.
• 11025326Oct 17, 2025Wheels. This bulletin provides information about the steering wheel alignment.
• 11025324Oct 17, 2025Transmission and drivetrain. This bulletin provides information when there is a gearbox malfunction warning; DTC P0C2900 in the TCM.
• 11025323Oct 17, 2025Body and structure. This bulletin provides informaiton when the license plate mouting bracket threaded inserts are stripped.
• 11025322Oct 17, 2025Body and structure. This bulletin provides guidance for exterior glass cleaning.
• 11025293Oct 13, 2025Electrical system. This bulletin provides information when the Emergency call LED in the roof module is not lit up green.
• 11025264Oct 7, 2025Other or unknown. This bulletin provides information on how to set up and use the FMC for obtaining vehicle software updates (SD Creator decomissioned).
• 11025245Oct 3, 2025Other or unknown. This bulletin provides information for when there is a fluid sample request from Product Support.
• 11025243Oct 1, 2025Suspension. This bulletin provides information when there is a cracking noise heard from the front or rear end of the vehicle when changing direction.
• 11025241Oct 1, 2025Other or unknown. This bulletin addresses complaints about the heated steering wheel, DTC B145504.
• 11025240Oct 1, 2025Suspension. This bulletin provides information when there are cracking/clattering/squeaking noises while steering.
• 11023827Sep 29, 2025Other or unknown. This bulletin provides information when there is vibration/clacking/boomingnoises when driving due to foreign objects.
• 11023772Sep 29, 2025Suspension. This bulletin provides information on locating noises coming from the suspension.
• 11023755Sep 26, 2025Electrical system. This bulleitn provides information whent here are complaints about route guidance with Navigation.
• 11023767Sep 25, 2025Steering. This bulletin provides information when there is a prompt to take over steering; hands off detection.
• 11023811Sep 11, 2025Other or unknown. This bulletin provides sevice info regarding the bluetooth connection with an Apple iPhone.
• 11023749Sep 11, 2025Other or unknown. This bulletin provides information related to the VIN-4-PIN Program.
• 11023734Sep 10, 2025Visibility (wipers, defrost, mirrors). This bujlletin provides information regarding the GFF test plan required for A/C compressor replacements regardless of the concern.

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