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.

• 10250337Feb 7, 2024Equipment. This bulletin provides information when the wireless connection for the Audi Smartphone Interface drops out in specific areas.
• 10250322Feb 7, 2024Equipment. This bulletin provides information pertaining to MMI Navigation database concerns.
• 10250296Feb 7, 2024Engine cooling. This bulletin provides information for when the low coolant light is illuminated but the coolant level is within specifications.
• 10250241Feb 6, 2024Electrical system, Other or unknown. This bulletin provides information when the Audi virtual cockpit has a white sheen.
• 10250235Feb 6, 2024Electrical system, Other or unknown. This bulletin provides information for when there is a pixel error in the Audi virtual cockpit.
• 10250233Feb 6, 2024Other or unknown, Electrical system. This bulletin provides information for when the Audi virtual cockpit is distorted due to a broken screen.
• 10249581Jan 30, 2024Body and structure, Other or unknown. This bulletin provides information for when there are noises from the headliner/sunroof area.
• 10249578Jan 30, 2024Other or unknown, Engine. This bulletin provides information when whistling noises are heard from the turbocharger at 1500-2200 rpm and approximately 70% load on 4 cyl 2.0 TFSI.
• 10249221Jan 22, 2024Equipment. This bulletin provides information when there are flickering lines in Audi virtual cockpit.
• 10249213Jan 22, 2024Engine cooling. This repair authorization provides information on N80 purge line performance P04F000.
• 10249231Jan 18, 2024Fuel system. This bulletin provides information for when DTC U064100, or U06400 are stored for fuel tank breather, and the MIL is illuminated.
• 10249145Jan 12, 2024Transmission and drivetrain. This bulletin provides information when there is function restriction with event memory P071800 - P276800 (symptom 20736-20737).
• 10249144Jan 12, 2024Transmission and drivetrain. This bulletin provides service information on noises from the drivetrain duel-mass flywheel.
• 10249143Jan 12, 2024Engine cooling. This PSS requests that technicians add a record to the Pending Service Solutions database in instances where the Engine control unit has faults P060C00 and U014600.
• 10248111Dec 22, 2023Electrical system. This bulletin provides information on how to set up and use the SD Creator for obtaining vehicle software updates via the Mirror Server.
• 10248208Dec 21, 2023Electrical system. This bulletin provides information when the parking assistance provides false warnings.
• 10248153Dec 21, 2023Fuel system, Transmission and drivetrain. This bulletin provides service information when there are noises from the drivetrain, dual mass flywheel.
• 10247205Dec 13, 2023Brakes, Electrical system, Other or unknown. This bulletin provides information for when the ABS/ESC speed sensor has an implausible signal.
• 10247203Dec 12, 2023Suspension, Other or unknown. This bulletin provides information when there is a rattle noise from the rear suspension.
• 10247201Dec 12, 2023Equipment, Other or unknown. This bulletin provides information for when there is a function restriction with event memory entry P071800 - P276800 (symptom 20736 - 20737).
• 10247504Dec 11, 2023Electrical system. This bulletin provides information when the configuration appears without apparent reason with MIB3.
• 10247494Dec 11, 2023Other or unknown, Brakes. This bulletin provides information for when there is a hard brake pedal while attempting to start the vehicle.
• 10247202Dec 11, 2023Transmission and drivetrain, Other or unknown. This bulletin provides information when the Gearbox warning is on, DTC P17F900 is stored in the TCM.
• 10247140Dec 5, 2023Electrical system. This bulletin provides information when there is a message in the instrument cluster: :Instrument cluster: fault. Limited warning messages. Please contact workshop"; B200096.
• 10247137Dec 1, 2023Seats. This bulletin requests that technicians create a record in the Pending Service Solutions database in instances where there is noise from the backrest of the front seat.
• 10247133Dec 1, 2023Electrical system. This bulletin provides information for when the MIL is on; one or more DTCs stored; P200400, P200600, P201400, P201500.
• 10246206Nov 22, 2023Electrical system, Other or unknown. This bulletin provides information when the MMI screen is blank in MIB3 with Apple CarPlay.
• 10245622Nov 22, 2023Brakes. This bulletin provides information regarding when the brake pedal is hard when attempting to start the vehicle.
• 10246158Nov 20, 2023Engine. This bulletin provides information when there are flickering lines in Audi virtual cockpit.
• 10245614Nov 17, 2023Equipment. This repair authorization requests that technicians contact the Technical Assistance Center before proceeding when the MIL is illuminated, and DTC P04F000 is stored.
• 10246152Nov 16, 2023Electrical system. This bulletin provides general information about the outside air temperature reading.
• 10245620Nov 16, 2023Engine cooling. This bulletin provides information for when the cooling oil valve fails basic settings after repair; DTC P1A5B00.
• 10245688Nov 15, 2023Brakes, Back-over prevention (rear camera). This bulletin provides information for when there is a warning, warning jolt and/or brake engagement with Audi pre sense.
• 10245616Nov 15, 2023Electrical system. This bulletin provides information on document requirements before replacement of the vehicle 12 V battery when it is is drained.
• 10246161Nov 14, 2023Electrical system. This bulletin provides information for when the wireless charging does not work.
• 10245675Nov 14, 2023Body and structure. This bulletin provides information for when the license plate mounting bracket threaded inserts are stripped.
• 10245687Nov 10, 2023Back-over prevention (rear camera). This bulletin provides information for the Audi pre sense restricted function icon displayed after the engine is started.
• 10245285Nov 7, 2023Equipment. This bulletin provides information on the VAS 611 015 PICO-NVH tool for professional noise analysis.
• 10245536Nov 1, 2023Equipment, Electrical system. This bulletin provides information for when Outlook contacts are not accessible via the MMI when using Apple devices with MIB3.
• 10245527Nov 1, 2023Engine cooling. This bulletin provides instructions for when "Gearbox Malfunction" and/or vehicle does not shift up or down, and/or vehicle is in limp mode home, and/or "reverse gear is unavailable" displayed in the instrument cluster, and/or "You can continue driving (functions limited" with DTCs P071800 and/or P276800 and possible in combination with DTC P081100 and/or P081E00.
• 10244595Oct 30, 2023Exterior lighting. This bulletin provides information pertaining to when there are foreign objects inside of a headlight or taillight.
• 10244590Oct 30, 2023Equipment, Back-over prevention (rear camera). This bulletin provides information for when the MMI sidebar is missing in MIB3.
• 10244539Oct 26, 2023Equipment. This bulletin advises that it is normal that certain navigation instructions are not displayed on the HUD.
• 10244517Oct 25, 2023Equipment. This bulletin provides damage assessment guidelines for textile seat covers.
• 10244508Oct 24, 2023Body and structure. This bulletin provides information for when the black optic trim is discolored.
• 10244601Oct 23, 2023Equipment. This bulletin provides information for when the button for the rear dome light is stuck or inoperative.
• 10244532Oct 23, 2023Visibility (wipers, defrost, mirrors). This TSB describes a method for leak detection for R134A and R1234yf refrigerant platforms only.
• 10244476Oct 23, 2023Electrical system. This bulletin provides information for when DTC P0A7D00 is stored.
• 10244310Oct 17, 2023Other or unknown. This special notice is to inform dealers to return the parts listed if it meets the criteria provided.
• 10244598Oct 16, 2023Lane departure. This bulletin provides information for when the message "Audi Active Lane Assist/Traffic Jam Assist: malfunction".

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