2020 Audi S4 Technical Service Bulletins

942 technical service bulletins (TSBs) are on record for the 2020 Audi S4. 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.

• 11023773Sep 29, 2025Suspension. This TSB provides informaiton pertaining to noises from the guide link bush.
• 11023772Sep 29, 2025Suspension. This bulletin provides information on locating noises coming from the suspension.
• 11023738Sep 29, 2025Suspension. This bulletin provides information when there are rumbling noises from the suspension - upper link rubber mounting.
• 11023755Sep 26, 2025Electrical system. This bulleitn provides information whent here are complaints about route guidance with Navigation.
• 11023767Sep 25, 2025Steering. This bulletin provides information when there is a prompt to take over steering; hands off detection.
• 11023741Sep 23, 2025Body and structure. This bulletin provides information when there is cracking/creaking noises during load changes or severe vehicle body torsion.
• 11023814Sep 12, 2025Electrical system. This bulletin provides information when there is an installation error for Audi connect.
• 11023742Sep 12, 2025Body and structure. This bulletin provides information when the air conditioning cooling output is insufficient; leak on air conditioning system evaporator.
• 11023811Sep 11, 2025Other or unknown. This bulletin provides sevice info regarding the bluetooth connection with an Apple iPhone.
• 11023749Sep 11, 2025Other or unknown. This bulletin provides information related to the VIN-4-PIN Program.
• 11023744Sep 10, 2025Electrical system. This bulletin provides information when there is a tail light warning and variois DTCs are stored in the comfort module; B16D431, B16D631, B16D531, and/or B16D731.
• 11023740Sep 10, 2025Body and structure. This bulletin provides information when there is cracking/creaking noises during load changes or severe vehicle body torsion.
• 11023734Sep 10, 2025Visibility (wipers, defrost, mirrors). This bujlletin provides information regarding the GFF test plan required for A/C compressor replacements regardless of the concern.
• 11023800Sep 9, 2025Electrical system. This bulletin provides workshop information for fault findinga nd repair for the electric tailgate.
• 11023771Sep 8, 2025Other or unknown. This bulletin provides a deployment overview for customer service packages MLB and MQB for MIB3/connectivity box/OCU3/LSR.
• 11023732Sep 5, 2025Other or unknown. September campaign closures
• 11022715Aug 29, 2025Other or unknown. This bulletin provides tips for improving the robustness of the Bluetooth and CarPlay connection.
• 11022710Aug 29, 2025Body and structure. This bulletin provides information for when there are scratches or a coating on the cover of the instrument cluster, or there are particles or insects inside of the housing.
• 11022704Aug 28, 2025Body and structure. This bulletin provides information when there is corrosion on the tailpipes.
• 11022698Aug 26, 2025Electrical system. This bulletin provides information for wire harness repairs and documentation.
• 11022664Aug 19, 2025Other or unknown. This bulletin provides information about professional noise analysis with the VAS 611 015 PICO-NVH tool
• 11022669Aug 15, 2025Transmission and drivetrain. This bulletin provides informaoitn when there is droning noises/vibrations in tight corneres, in vehicles that have quattro with ultra technology.
• 11022668Aug 15, 2025Other or unknown. This bulletin provides information when the horn sound quality is poor.
• 11022661Aug 15, 2025Other or unknown. Some customers have reported unexpected reboots of the infotainment system.
• 11022659Aug 15, 2025Other or unknown. Some customers have reported unexpected reboots of the infotainment system.
• 11022634Aug 2, 2025Electrical system. This bulletin provides information when there are no services in the MMI and the SOS LED does not turn green after PDI.
• 11022645Aug 1, 2025Body and structure. This TSB provides service information regarding noises from the sliding sunroof.
• 11022633Aug 1, 2025Other or unknown. This bulleitn provides information regarding UV Leak additive for finding oil leaks.
• 11022630Aug 1, 2025Other or unknown. This is a notice for software changes with the ODIS diagnostic program to correct the communication during vehicle programming function: The hotfix is to correct the issue: Issue seen: ODS5003E Infrastructure Guided Fault Finding: An internal fatal error occurred during the G929 - Vehicle Interior Carbon Dioxide Concentration Sensor function test plan. NOTE: This ODS error could show up on any other GFF function…
• 11021446Jul 31, 2025Electrical system. This bulletin provides information when the Audi virtual cockpit display has semi-circular marks on edges of the display.
• 11021439Jul 31, 2025Electrical system. This TSB provides information when the Audi advanced key is inoperative; door handle touch sensors.
• 11021441Jul 30, 2025Transmission and drivetrain. This bulletin providesi nformation when various DTCs are stored; high maximum temperature recorded for clutch K1.
• 11021438Jul 25, 2025Electrical system. This TSB provides informatin when the cigarette lighter element does not eject, or the cigarette lighter is inoperable.
• 11021480Jul 22, 2025Other or unknown. This bulletin provides information when a customer reports that poor voice quality via bluetooth with iOS 18.0.x - 18.4.x.
• 11021444Jul 22, 2025Body and structure. This bulletin provides information when the air conditioning cooling output is insufficient; leak on air conditioning system evaporator.
• 11021473Jul 18, 2025Body and structure. This TSB provides information related to billing regarding billing for a broken sunroof glass panel.
• 11021455Jul 15, 2025Transmission and drivetrain. This bulletin provides informaoitn when there is droning noises/vibrations in tight corneres, in vehicles that have quattro with ultra technology.
• 11021442Jul 15, 2025Electrical system. This bulletin provides information when there are no services in the MMI and the SOS LED does not turn green after PDI.
• 11021447Jul 10, 2025Other or unknown. This bulletin provides information about professional noise analysis with the VAS 611 015 PICO-NVH tool
• 11021464Jul 1, 2025Electrical system. This bulletin provides information when the MIB3 restarts by itself, or fails.
• 11020372Jun 27, 2025Electrical system. This bulletin provides information when Key User pariing is not possible, or the myAudi login cannot be completed in the vehicle.
• 11020367Jun 26, 2025Fuel system. This bulletin provides information when there is corrosion on the exhaust tail pipes.
• 11020351Jun 13, 2025Other or unknown. This bulletin provides information when, with ConBox High, the Emergency call (SOS) fault/LED is red, with DTC B200000.
• 11020336Jun 3, 2025Electrical system. This bulletin provides information when thre is a warning in the instrument cluster: "Instrument cluster: fault. Limited warning messages. Please contact workshop"; B200096.
• 11020337Jun 2, 2025Electrical system. This bulletin provides information when the calendar function is not available.
• 11020335Jun 2, 2025Suspension. This bulletin provides information when there are rumbling noises from the suspension - upper link rubber mounting.
• 11018980May 28, 2025Other or unknown. This bulletin provides a deployment overview for customer service packages MLB and MQB for MIB3/connectivity box/OCU3/LSR.
• 11018973May 28, 2025Engine. This bulletin provides information when DTC U14A00 Terminal 30 is stored in the ECM.
• 11018977May 22, 2025Transmission and drivetrain. This bulletin provides informaoitn when there is droning noises/vibrations in tight corneres, in vehicles that have quattro with ultra technology.
• 11018960May 22, 2025Body and structure. This bulletin provides accounting instructions for noises from the headliner/noises from the panoramic sunroof.

← All problems reported for the 2020 Audi S4