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.

• 11005914Jul 10, 2024Body and structure. This bulletin provides information when the air conditioning does not cool.
• 11005989Jul 8, 2024Electrical system. This special notice is to inform dealers to return the parts listed if it meets the criteria provided.
• 11005988Jul 8, 2024Electrical system. This special notice is to inform dealers to return the parts listed if it meets the criteria provided.
• 11005886Jul 8, 2024Transmission and drivetrain. This bulletin provides information when there are vibrations or binding in tight turns.
• 11005869Jul 3, 2024Transmission and drivetrain. This bulletin provides information when there is function restriction with event memory P071800 - P276800.
• 11005848Jul 2, 2024Other or unknown. This bulletin provides Audi technicians with information to prepare for contact to the Technical Assistance Center (TAC).
• 11005987Jul 1, 2024Engine. This special notice is to inform dealers to return the parts listed if it meets the criteria provided.
• 11003026Jun 28, 2024Electrical system. This bulletin provides informationw hen there are optical concerns with the tail lights.
• 11003024Jun 28, 2024Electrical system. This bulletin provides informaiton when there are speaker rattles, vibrations, or audio interference.A1
• 11003022Jun 28, 2024Electrical system. This bulletin provides information when there is an eCall fault/eCall LED red with DTC B200000 in vehicles with ConBox High.
• 11002957Jun 28, 2024Electrical system. This bulletin provides informationw hen there are optical concerns with the tail lights.
• 11002955Jun 28, 2024Electrical system. This bulletin provides informaiton when there are speaker rattles, vibrations, or audio interference.A1
• 11002953Jun 28, 2024Electrical system. This bulletin provides information when there is an eCall fault/eCall LED red with DTC B200000 in vehicles with ConBox High.
• 11003002Jun 26, 2024Air bags. This bulletin provides information when the airbag warning light is on, DTC B13BCF2 stored in the airbag control module.
• 11002933Jun 26, 2024Air bags. This bulletin provides information when the airbag warning light is on, DTC B13BCF2 stored in the airbag control module.
• 11003020Jun 21, 2024Other or unknown. This document provides clarity on the MY24 Audi Q5 Hybrid fault code with technical service bulletin release on Monday, June 24.
• 11002951Jun 21, 2024Other or unknown. This document provides clarity on the MY24 Audi Q5 Hybrid fault code with technical service bulletin release on Monday, June 24.
• 11002981Jun 12, 2024Body and structure. This bulletin provides information when there are speaker rattles, vibration or audio interference.
• 11002972Jun 12, 2024Body and structure. This bulleint provides information for when noises are heard from the headliner/sunroof area.
• 11002912Jun 12, 2024Body and structure. This bulletin provides information when there are speaker rattles, vibration or audio interference.
• 11002903Jun 12, 2024Body and structure. This bulleint provides information for when noises are heard from the headliner/sunroof area.
• 11002976Jun 5, 2024Electrical system. This bulletin provides information when the virtual cockpit remains blank on startup.
• 11002974Jun 5, 2024Electrical system. This bulletin provides information when the display is distorted due to a broken screen.
• 11002968Jun 5, 2024Electrical system. This bulletin provides information when a customer requests that the gesture-ctonrolled rear lid opening/closing (virtual pedal) function be deactivated
• 11002907Jun 5, 2024Electrical system. This bulletin provides information when the virtual cockpit remains blank on startup.
• 11002905Jun 5, 2024Electrical system. This bulletin provides information when the display is distorted due to a broken screen.
• 11002899Jun 5, 2024Electrical system. This bulletin provides information when a customer requests that the gesture-ctonrolled rear lid opening/closing (virtual pedal) function be deactivated
• 11002980Jun 3, 2024Electrical system. This bulletin provides information when there is a message in the instrument cluster: Warning "Instrument cluster: fault. Limited warning messages. Please contact workshop" B200096.
• 11002979Jun 3, 2024Electrical system. This bulletin provides information when the virtual cockpit display has a white sheen.
• 11002978Jun 3, 2024Electrical system. This bulleitn provides information when the virtual cockpit displays a colorful line (pixel error).
• 11002963Jun 3, 2024Transmission and drivetrain. This bulletin provides information when there is function restriction with event memory entry P071800 - P276800 (symptom 20736 - 20737).
• 11002911Jun 3, 2024Electrical system. This bulletin provides information when there is a message in the instrument cluster: Warning "Instrument cluster: fault. Limited warning messages. Please contact workshop" B200096.
• 11002910Jun 3, 2024Electrical system. This bulletin provides information when the virtual cockpit display has a white sheen.
• 11002909Jun 3, 2024Electrical system. This bulleitn provides information when the virtual cockpit displays a colorful line (pixel error).
• 11002894Jun 3, 2024Transmission and drivetrain. This bulletin provides information when there is function restriction with event memory entry P071800 - P276800 (symptom 20736 - 20737).
• 11002258May 31, 2024Electrical system. This bulletin provides information when there is an instrument cluster warning "Fault: Limited warning messges", DTC B174404.
• 11002257May 31, 2024Electrical system. This byulletin provides information when the Audi pre sense icon for restricted function is displayed after the engine starts.
• 11002158May 31, 2024Electrical system. This bulletin provides information when there is an instrument cluster warning "Fault: Limited warning messges", DTC B174404.
• 11002157May 31, 2024Electrical system. This byulletin provides information when the Audi pre sense icon for restricted function is displayed after the engine starts.
• 11002277May 23, 2024Electrical system. This bulletin provides information when there is noise while steering.
• 11002235May 23, 2024Body and structure. This bulletin provides information when the door handle touch sensors for Audi advanced key are inoperative.
• 11002177May 23, 2024Electrical system. This bulletin provides information when there is noise while steering.
• 11002135May 23, 2024Body and structure. This bulletin provides information when the door handle touch sensors for Audi advanced key are inoperative.
• 11002268May 22, 2024Electrical system. This bulletin provides information when Apple CarPlay connection is dropped repeatedly in short intervals.
• 11002168May 22, 2024Electrical system. This bulletin provides information when Apple CarPlay connection is dropped repeatedly in short intervals.
• 11002212May 20, 2024Engine. This bulletin provides information when DTC U14A00 Terminal 30 is stored in the ECM.
• 11002112May 20, 2024Engine. This bulletin provides information when DTC U14A00 Terminal 30 is stored in the ECM.
• 11002281May 16, 2024Forward collision avoidance. Diagnosed and confirmed malfunction of the vehicle’s AEB system that resulted from failure or malfunction of the AEB system’s control unit, camera(s), LIDAR, and/or sensor(s) which enable automatic emergency braking functionality.
• 11002181May 16, 2024Forward collision avoidance. Diagnosed and confirmed malfunction of the vehicle’s AEB system that resulted from failure or malfunction of the AEB system’s control unit, camera(s), LIDAR, and/or sensor(s) which enable automatic emergency braking functionality.
• 11002216May 14, 2024Other or unknown. This bulletin provides information for when there is a fluid sample request from Product Support.

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