2020 Audi A4 Technical Service Bulletins

1,071 technical service bulletins (TSBs) are on record for the 2020 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.

• 10232044Feb 13, 2023Equipment, Visibility (wipers, defrost, mirrors). This bulletin provides information on a software update for when saved addresses, favorites, last destinations, HVAC favorite button assignment, and/or icon and shortcut order are lost sporadically; In rare cases the screen may turn completely blue until a bus sleep or an MMI reboot is performed. For Q3 vehicles, MMI may get stuck on the welcome screen. No DTCs are stored.
• 10232043Feb 10, 2023Electrical system, Equipment. This bulletin provides information to address when the Audi connect "User management" screen is greyed out, and the customer cannot complete the key user pairing. OR the SOS emergency button is red or flashing read. DTCS P169A00 and U13EB00 are present in the system.
• 10232038Feb 10, 2023Electrical system, Equipment. This bulletin provides information for when the 12V socket and/or the cigarette lighter are not working.
• 10231592Feb 7, 2023Brakes. This bulletin provides instructions for brake noise analysis and handling.
• 10231583Feb 6, 2023Visibility (wipers, defrost, mirrors). This bulletin provides instructions for when the washer solvent level warning is on in the DIS but the washer solvent level is correct.
• 10231575Feb 2, 2023Equipment. This bulletin provides instructions for when the Audi connect "User management" option is greyed out, or the SOS emergency button is red or flashing red.
• 10231078Jan 31, 2023Electrical system. This bulletin provides information on when the message "Instrument cluster: fault. Limited warning messages. Please contact workshop" DTC B200096 may be stored.
• 10231019Jan 26, 2023Equipment. Support for Customers Affected by Alternator Back-order
• 10230990Jan 26, 2023Equipment. This special notice is to inform dealers to return the parts listed if it meets the criteria provided.
• 10230988Jan 26, 2023Equipment, Body and structure. This bulletin provides instructions when the black optic exterior trim is discolored.
• 10230967Jan 26, 2023Equipment. 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.
• 10231080Jan 25, 2023Back-over prevention (rear camera). This bulletin describes the steps to update the MIB3 software when applicable.
• 10231011Jan 24, 2023Visibility (wipers, defrost, mirrors). This bulletin provides instructions for when faint images appear on the windshield from the production sticker, or an image of the suction cups used to install the windshield in production.
• 10230946Jan 24, 2023Engine cooling. This bulletin provides information for when there is oil found in the engine compartment, front end, and around the filler cap, and a smell is coming from the oil compartment.
• 10231016Jan 23, 2023Body and structure. This bulletin provides instructions for when the exterior trim has spots.
• 10230996Jan 20, 2023Equipment, Back-over prevention (rear camera). This bulletin provides instructions for when the customer is unable to program their garage door opener to their vehicle.
• 10230976Jan 20, 2023Vehicle speed control. This bulletin provides instructions for when a vibration is felt in the floor, seat, footwell, pedals or steering wheel while driving at highway speeds from 55 - 80 mph.
• 10230972Jan 20, 2023Equipment. This bulletin provides instructions for when the warning light for suspension illuminates in the instrument cluster.
• 10231069Jan 19, 2023Equipment. Support for Customers Affected by Alternator Back-order
• 10231061Jan 19, 2023Equipment. Support for Customers Affected by Alternator Back-order
• 10230646Jan 17, 2023Visibility (wipers, defrost, mirrors). This bulletin provides instructions for when the customer advises that there is insufficient or uneven cabin heating from the HVAC system.
• 10231029Jan 12, 2023Equipment. Support for Customers Affected by Alternator Back-order
• 10230790Jan 9, 2023Equipment. This bulletin advises that the MMI screen may freeze, or go blank and then restart when a special character like a symbol or emoticon is used in the name field for contact(s).
• 10230643Jan 9, 2023Visibility (wipers, defrost, mirrors). This bulletin provides instructions for when a customer reports concerns with the sunroof opening permeter seal is generating noise, dripping water, or if the seal is distorted and/or not flush with the roof panel.
• 10230850Jan 5, 2023Equipment. Support for Customers Affected by Alternator Back-order
• 10230641Jan 5, 2023Body and structure. This bulletin provides instruction for when a customer advises that a visible line of corrosion is forming in the roof.
• 10230640Jan 5, 2023Equipment. This bulletin contains instructions for when the zirconium inserts found to be not firmly attached during service work.
• 10228815Dec 22, 2022Electrical system. Support for Customers Affected by Alternator Back-order
• 10228803Dec 19, 2022Equipment. SAFETY RECALLS, COMPLIANCE RECALLS and STOP SALES
• 10228787Dec 9, 2022Latches, locks and linkages. This technical service bulletin provides troubleshooting information for the vehicle locking system.
• 10227166Nov 23, 2022Equipment. This bulletin advises to create a PSS record in instances where information in the MMI such as last destinations, favorites, and user defined buttons are lost.
• 10227171Nov 17, 2022Electrical system, Equipment. This bulletin contains guidance for submitting warranty wiring repairs.
• 10227022Nov 17, 2022Electrical system. This bulletin provides directions when the SOS malfunction warning is displayed in the instrument cluster accompanied by DTC B200096 or DTCB200000.
• 10227162Nov 8, 2022Electrical system, Equipment. This bulletin describes the ways in which a variety of Audi vehicles connect to Apple Wireless CarPlay, and the methods to troubleshoot connection concerns.
• 10227019Nov 7, 2022Equipment. This bulletin describes an error which may arise due to a bug in the software of a customer's phone, which causes the Apple CarPlay screen to appear blank, and for audio drop-outs.
• 10227012Nov 4, 2022Equipment. This bulletin states that due to a software malfunction in Apple iOS Version 16.0.x there are restrictions with bluetooth connection.
• 10226909Nov 2, 2022Equipment. This bulletin provides troubleshooting tips for logging in to Audi Connect and Key User Pairing
• 10226805Nov 2, 2022Wheels. This bulletin contains repair instructions for noises when in reverse or vibrations/humming/droning or rubbing when fully turning the wheel.
• 10226247Nov 2, 2022Electrical system. This bulletin provides instructions to address DTCs P071800, P276800, P071800, and P276800.
• 10225562Oct 18, 2022Equipment. This bulletin provides instructions on how to address DTC U014000, or DTC U110100.
• 10222112Sep 23, 2022Equipment. This bulletin contains repair instructions for when the warning message "SOS Emergency call function deactivated" is seen in the instrument cluster.
• 10222109Sep 23, 2022Equipment. The message "SOS Malfunction - Emergency call malfunction, please contact service" may appear erroneously in the presence of DTCs B129B11 and/or DTC B239C11. No repairs are necessary at this time.
• 10222101Sep 23, 2022Electrical system. This bulletin contains ODIS instructions for DTC B200096 or B200000 with an SOS malfunction warning displayed in the instrument cluster.
• 10220396Sep 16, 2022Electrical system. This bulletin provides instructions on how to address DTC U014000, or DTC U110100.
• 10220392Sep 14, 2022Other or unknown. This bulletin contains repair instructions for when the warning message "SOS Emergency call function deactivated" is seen in the instrument cluster.
• 10220388Sep 13, 2022Equipment. This bulletin offers further guidance regarding diagnosis and system information for vehicles with a 48 V electrical system.
• 10220366Sep 13, 2022Equipment. This bulletin provides detailed instructions for diagnosis when DTC P0A7D00 is present.
• 10218950Aug 26, 2022Back-over prevention (rear camera). This bulletin advises that there is a software update for various concerns that may be reported related to the MIB3.
• 10218681Aug 23, 2022Electrical system. This bulletin advises that if the configuration wizard in the MMI displays upon startup, the customer can either complete the configuration or deactivate via settings.
• 10218600Aug 19, 2022Electrical system. This bulletin contains information for diagnosing the Start/Stop system.

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