2021 Audi A4 Technical Service Bulletins

1,057 technical service bulletins (TSBs) are on record for the 2021 Audi A4. 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.

• 11007270Aug 29, 2024Visibility (wipers, defrost, mirrors). This bulletin provides information on repairing the corrugated hose for the windshield washer system.
• 11007354Aug 27, 2024Electrical system. This bulletin provides service-info relating to lithium-ion high-voltage batteries; determining energy content.
• 11007341Aug 27, 2024Electrical system. This bulletin provides information when the calendar function is not available in MIB3.
• 11007322Aug 27, 2024Body and structure. This bulletin provides information for checking the seal of the panoramic sunroomf due to wind noises or leaks.
• 11007273Aug 27, 2024Electrical system. This bulletin provides service-info relating to lithium-ion high-voltage batteries; determining energy content.
• 11007260Aug 27, 2024Electrical system. This bulletin provides information when the calendar function is not available in MIB3.
• 11007241Aug 27, 2024Body and structure. This bulletin provides information for checking the seal of the panoramic sunroomf due to wind noises or leaks.
• 11007339Aug 8, 2024Electrical system. This bulletin provides software update instructions for MIB3.
• 11007332Aug 8, 2024Electrical system. This bulletin provides information when there are various messages displayed; DTCs B200FF1 and/or B200FF2 stored in the camera control module.
• 11007331Aug 8, 2024Electrical system. This bulletin provides informaion when the Audi virtual cockpit displays a colorful line (pixel error).
• 11007315Aug 8, 2024Wheels. This bulletin provides information vibrations and rotational steering wheel vibrations.
• 11007314Aug 8, 2024Wheels. This bulletin provides information when there is a wheel/tire imbalance.
• 11007305Aug 8, 2024Transmission and drivetrain. This bulletin offers information about the basic information needed for technical requests for gaerbox complaints.
• 11007297Aug 8, 2024Fuel system. This bulletin provides service information ror when the fuel tank cannot be fully filled.
• 11007258Aug 8, 2024Electrical system. This bulletin provides software update instructions for MIB3.
• 11007251Aug 8, 2024Electrical system. This bulletin provides information when there are various messages displayed; DTCs B200FF1 and/or B200FF2 stored in the camera control module.
• 11007250Aug 8, 2024Electrical system. This bulletin provides informaion when the Audi virtual cockpit displays a colorful line (pixel error).
• 11007234Aug 8, 2024Wheels. This bulletin provides information vibrations and rotational steering wheel vibrations.
• 11007233Aug 8, 2024Wheels. This bulletin provides information when there is a wheel/tire imbalance.
• 11007224Aug 8, 2024Transmission and drivetrain. This bulletin offers information about the basic information needed for technical requests for gaerbox complaints.
• 11007216Aug 8, 2024Fuel system. This bulletin provides service information ror when the fuel tank cannot be fully filled.
• 11007365Aug 5, 2024Other or unknown. Summary of all Audi Vin4Pin topics in June Quatro Ultra vibrations MIB3 - Stuck on loading user information when booting up Airbag light on, DTCs B101704, B103604 Q5 Airbag light Roof panel buttons inop Airbag light B12251B front windows is noisy and/or binding Front door wind noise
• 11007284Aug 5, 2024Other or unknown. Summary of all Audi Vin4Pin topics in June Quatro Ultra vibrations MIB3 - Stuck on loading user information when booting up Airbag light on, DTCs B101704, B103604 Q5 Airbag light Roof panel buttons inop Airbag light B12251B front windows is noisy and/or binding Front door wind noise
• 11005928Jul 31, 2024Electrical system. This bulletin provides information when the restricted function icon for Audi pre sense is displayed after the engine starts.
• 11005910Jul 31, 2024Electrical system. This bulletin provides information about noises from the backrest of the front seat.
• 11005904Jul 31, 2024Electrical system. This bulletin provides information when the door handle touch sensors (Audi advanced key) inoperative.
• 11005884Jul 31, 2024Other or unknown. This bulletin provides service information pertaining to noises from wheel input shaft/drive shaft.
• 11005882Jul 31, 2024Transmission and drivetrain. This bulletin provides information when tehre are homing noises when cornering; 0CK gearbox.
• 11005878Jul 31, 2024Transmission and drivetrain. This bulletin provides information about replacing the clutch end cover.
• 11005877Jul 31, 2024Transmission and drivetrain. This bulletin provides information about replacing the clutch end cover.
• 11005865Jul 31, 2024Body and structure. This bulletin provides information when there are noises/vibration from the front of the vehicle while in dynamic mode.
• 11005862Jul 31, 2024Transmission and drivetrain. This bulletin provides infomration when the Engine: coasting function not available - 4-cyl. 2.0 ltr. TFSI mild hybrid.
• 11005861Jul 31, 2024Transmission and drivetrain. This bulletin provides information when there is a fault shown; Engine: start/stop system, and the start system is not working; mileage below 50 km/32 miles.
• 11005937Jul 27, 2024Electrical system. This bulletin provides information when Apple CarPlay pops up or takes over audio without user intervention.
• 11005916Jul 27, 2024Body and structure. This bulletin provides information when the air conditioning cooling output is insufficient; leak on air conditioning system evaporator.
• 11005897Jul 27, 2024Electrical system. This bulletin provides information for when the customer requests that the gesture-controlled rear lid be deactived.
• 11005894Jul 27, 2024Transmission and drivetrain. This bulletin provides information when there is visual damage on the steering wheel.
• 11005888Jul 27, 2024Transmission and drivetrain. This bulletin provides informatino when there are vibrations or binding in tight turns with quattro Ultra.
• 11005909Jul 19, 2024Body and structure. This bulletin provides information when there is an entry/exit assistance comfort concern.
• 11005935Jul 18, 2024Electrical system. This bulletin provides informaiton when there are speaker rattles, vibrations or audio interference in the sound system.
• 11005933Jul 18, 2024Electrical system. This bulletin provides information when the ecall LED is red/ecall Fault, with DTC B200000.
• 11005925Jul 18, 2024Engine. This bulletin provides information when the Audi virtual cockpit remains blank at startup.
• 11005854Jul 18, 2024Engine. This bulletin provides information when the MIL is on; electric changeover valve N316 - P2004, P2006, P2014, P2015.
• 11005853Jul 18, 2024Engine. This bulletin provides information when the defrost function deactivates after 5-10 seconds and/or MMI settings are lost.
• 11005981Jul 17, 2024Electrical system. This bulletin provides infrmation when the message "Audi Ative Lane Assist/Traffic Jam assist: malfunction!", DTC U112300 is stored.
• 11005887Jul 17, 2024Transmission and drivetrain. This bulletin provides information when there are vibration or binding in tight turns with quattro Ultra.
• 11005855Jul 16, 2024Engine. This bulletin provides information when the starter/generator drive belt is noisy or came off.
• 11005911Jul 11, 2024Visibility (wipers, defrost, mirrors). This bulletin provides informatin for the GFF test plan that is requied for AC compressor replacements.
• 11005890Jul 11, 2024Electrical system. This bulletin provides information when the DTCs B200FF0 to B200FF5 are stored in the J775 suspension control unit.
• 11005990Jul 10, 2024Steering. This special notice is to inform dealers to return the parts listed if it meets the criteria provided.

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