2023 Audi A3 Technical Service Bulletins

739 technical service bulletins (TSBs) are on record for the 2023 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.

• 11028407Jan 14, 2026Other or unknown. This bulletin provides a deployment overview for customer service packages MLB and MQB for MIB3/connectivity box/OCU3/LSR.
• 11028402Jan 14, 2026Electrical system. This bulletin provides information when the volume control is not working; MIB3; U11B900.
• 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.
• 11028404Jan 5, 2026Transmission and drivetrain. This bulletin provides information when there are whining noises during deceleration in overrun between 70-50 mph.
• 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.
• 11027442Dec 19, 2025Electrical system. This bulletin provides information when the remote control key does not work; the LD in the key does not flashw hena button on the key is pressed.
• 11027441Dec 19, 2025Electrical system. This bulletin provides informaiotn when the starter battery is discharged or defective.
• 11027440Dec 19, 2025Electrical system. This bulletin provides information when the vehicle electrical system fault in shown in the instrument customer; DTC P0A8200 in DA0021.
• 11027438Dec 19, 2025Electrical system. This bulletin provides service infrmation for workshop mode with Audi connect vehicles.
• 11027436Dec 19, 2025Electrical system. This bulletin provides informaotin when the home address, work address, and favorites are deleted invehicles with MIB3.
• 11027372Dec 19, 2025Electrical system. This bulletin provides informatin when the convenience opening does not work.
• 11027377Dec 16, 2025Electrical system. This bulletin provides a software update for conbox for MIB3 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.
• 11027357Dec 11, 2025Electrical system. This bulletin provides information when the arning lamp for exterior lighting is displayed in the instrument cluster; DTC U112100, U110B00, B126A29.
• 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.
• 11027318Dec 8, 2025Other or unknown. Summary of all Vin-4-Pin topics: 48V battery cooling fan - P0A8200 B&O extendable tweeter PPE/PPC time off by 1 hour
• 11026275Nov 20, 2025Visibility (wipers, defrost, mirrors). This bulletin provides information when the AC is not workoing; leak on air conditioner compressor.
• 11026251Nov 11, 2025Electrical system. This bulletin povides ifnrmation when the image and sound cuts out, connection failures with iPhone 8/X/XR.
• 11026214Nov 11, 2025Body and structure. This bulletin provides information when there is a communication with the airbag control unit (J34)/field campaign 68I2 fails; DTC P000000.
• 11026210Nov 11, 2025Electrical system. This bulletin provides infrormation when the Audi connect installation does not complete with MIB3.
• 11026170Nov 10, 2025Engine. This special notice is to inform dealers to return the parts listed and only order the successor parts going forward.
• 11026202Nov 1, 2025Other or unknown. Summary of all Vin-4-Pin topics: P1B1B00 wear limit of main protection reached P001700 crank-cam correlation 48V battery cooling fan - P0A8200 B&O extendable tweeter drive motor coolant and gear oil contamination PPE/PPC time off by 1 hour
• 11025354Oct 29, 2025Fuel system. This bulletin provides information when the fuel tank cap seal is leaking; DTC P044200, P045600 and/ or P00EF00 in stored in the ECM.
• 11025369Oct 22, 2025Brakes. This bulletin provides information for all models regarding brake sounds.
• 11025368Oct 22, 2025Electrical system. This bulletin provides information when the steering wheel does not heat up sufficiently.
• 11025404Oct 21, 2025Brakes. This bulletin provides information when there are cracks on the friction ring surface on ceramic brake discs.
• 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.
• 11025355Oct 17, 2025Wheels. This bulletin provides information when there are whining noises at high speeds.
• 11025341Oct 17, 2025Wheels. This bulletin provides information when there is a tire pressure warning in the instrument cluster.
• 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.
• 11025328Oct 17, 2025Wheels. This bulletin provides informaiont when the collapsible spare wheel does not fully inflate using the compressor from the vehicle's tool kit.
• 11025326Oct 17, 2025Wheels. This bulletin provides information about the steering wheel alignment.
• 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.
• 11025312Oct 7, 2025Electrical system. This bulletin provides information regarding an MMI sofware update for some MIB3 vehicles.
• 11025270Oct 7, 2025Electrical system. This bulletin provides information when there is a warning in the instrument cluster: "Instrument cluster: fault. Limited warning messages. Please contact workshop" - B200096.
• 11025267Oct 7, 2025Electrical system. This TSB provides information when the USB socket is loose, missing, pushed in.

← All problems reported for the 2023 Audi A3