2021 Audi A3
TSBs (Technical Service Bulletins)
Technical Service Bulletins (TSBs) for the 2021 A3 are official communications between Audi & their dealerships that describe processes for troubleshooting or fixing certain common problems. All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.
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TSB #A442292202256321
This bulletin provides information regarding vibrations or movement that are felt in the wheel. Read More »
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TSB #A4421802056386_4
This bulletin contains instructions for when the vehicle pulls to one side or the steering wheel is crooked. Read More »
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TSB #A4419722056386_2
This bulletin contains instructions for when the vehicle pulls to one side or the steering wheel is crooked. Read More »
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TSB #A4420732056386_3
This bulletin contains instructions for when the vehicle pulls to one side or the steering wheel is crooked. Read More »
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TSB #A4223532038689_7
This bulletin provides information for when there is a rattle noise from the rear suspension. Read More »
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TSB #A402354204342416
This bulletin provides instructions for instances where squeaking or creaking noises are heard when the vehicle is driven on uneven roads. Read More »
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TSB #A402353204342415
This bulletin provides repair instructions for instances where creaking/squeaking noises are heard from the left front or right front area of the vehicle when being driven on uneven roads. Read More »
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TSB #A4020092047758_5
This bulletin contains instructions for proper lubrication of the shock absorber to prevent cracking noises or spring jumps when steering. Read More »
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TSB #A4020102044060_5
This technical service bulletin asks the reader to check for improperly installed or deformed front shock bellows and to replace if necessary. Read More »
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TSB #A4020062059474_1
This bulletin contains instructions for correcting buffer stop noise (rumbling or squeaking from the front end). Read More »
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TSB #A4220442038689_4
This bulletin contains information on how to fix a clunking or rattling noise heard from the rear suspension when the vehicle is driven over bumps. Read More »
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TSB #44134220225637
Steering wheel shimmy, vibration and/or oscillation Read More »
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TSB #A402018204342410
Thos bulletin contains repair information for when there is a creaking or squeaking noise from the front of the vehicle. This only occurs on uneven roads. Read More »
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TSB #A4021292047758_7
This bulletin contains instructions for proper lubrication of the shock absorber to prevent cracking noises or spring jumps when steering. Read More »
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TSB #A4020132059474_2
This bulletin contains instructions for correcting buffer stop noise (rumbling or squeaking from the front end). Read More »
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TSB #A4223532038689_7
This bulletin provides information for when there is a rattle noise from the rear suspension. Read More »
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TSB #A4021292047758_7
This bulletin contains instructions for proper lubrication of the shock absorber to prevent cracking noises or spring jumps when steering. Read More »
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TSB #A462227203418119
This technical service bulletin provides troubleshooting for brake noise. Read More »
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TSB #A462226202258411
This informational bulletin provides diagnostic information for brake conditions. Read More »
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TSB #A462123202258410
This informational bulletin provides diagnostic information for brake conditions. Read More »
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TSB #A1721152062911_1
This bulletin contains instructions for when there is a yellow engine oil level warning but the engine oil level is correct when checking the dipstick. Read More »
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TSB #A0123622070915_1
This bulletin provides information for a loose engine oil filler cap is loose, DTCs P06800, P227900, P050700. Read More »
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TSB #A192336202530314
This bulletin provides information on the discontinuation and mixing of Audi-approved engine coolants. Read More »
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TSB #A3422582067365_1
This bulletin describes the appropriate repairs in instances where an oil leak is found near the transmission oil cooler. Read More »
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TSB #A3422572066784_1
This bulletin advises to install a damper weight on the shaft of the front driver's side axle to address a concern of a whining/howling noise that may be heard in the engine compartment. Read More »
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TSB #A192228202530313
This bulletin contains instructions for identifying and mixing factory fill coolants. Read More »
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TSB #A1920042025303_1
This bulletin contains instructions for identifying and mixing factory fill coolants. Read More »
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TSB #A3720992060148_1
This informational bulletin states to not replace parts for the beveling groove as it is normal. Read More »
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TSB #A2021392065287_1
There is an internal defect in the EVAP leak detection pump causing false leak detection. Read More »
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TSB #A9020652032113_4
This information bulletin contains a background on the outside air temperature reading. Read More »
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TSB #A0120832060429_1
This bulletin contains instructions for when there may be a noise from the exhaust flap or there are DTCs sporadically stored in the ECM. Read More »
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TSB #A1719982028440_4
This informational bulletin explains when the range display is empty in the on-board computer. Also A3 Cabriolet 2015-2021, A3 Sportback 2016-2018, 2005 A4 Cabriolet , 2005-2009 S4 Cabriolet, 2010-2012 and 2018-2021 RS5 Cabriolet, ... Read More »
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TSB #A3422582067365_1
This bulletin describes the appropriate repairs in instances where an oil leak is found near the transmission oil cooler. Read More »
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TSB #A3720992060148_1
This informational bulletin states to not replace parts for the beveling groove as it is normal. Read More »
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TSB #A4524372072549_1
This bulletin provides information for when DTC C101AF1, C101BF1, C101CF1, C101DF1 are stored in the ABS control unit with the message "magnetic field too low". Read More »
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TSB #A2723482069747_1
This bulletin provides information for when the vehicle does not start due to a drained battery. Read More »
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TSB #A9022762064301_3
This bulletin contains a software update that addresses trip odometer and/or clock resetting to setting. Read More »
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TSB #A9121312061028_3
This bulletin explains and troubleshoots when Audi connect does not have a green SOS light. Read More »
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TSB #ELSAallignAudi
Elsa2Go campaign information is now 100% aligned with ElsaPro. This update to Elsa2Go ensures that both systems are displaying the same campaign information, including OPEN/CLOSED status, repair date as well as criterions at the same time ... Read More »
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TSB #A9020512058077_4
This bulletin contains instructions for determining unexpected Audi pre sense interventions. Read More »
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TSB #A0020382039206_3
This informational bulletin contains instructions on how to use the QR code in a TSB. Read More »
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TSB #A9020442032113_3
This information bulletin contains a background on the outside air temperature reading. Read More »
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TSB #A9020452059335_1
This bulletin contains information on noises from the instrument cluster installation area. Read More »
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TSB #A9119932037087_4
This bulletin contains instructions for enabling text message notifications through the MMI system. Read More »
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TSB #A0019252011732_1
00 Software Version Management (SVM), operating instructions Read More »
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TSB #DC_Alternator
Support for Customers Affected by Alternator Back-order Read More »
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TSB #A9120842060194_1
This bulletin states to create a PSS for when the Gas pop-up is blank. Read More »
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TSB #A1720062028440_5
This informational bulletin explains when the range display is empty in the on-board computer. Read More »
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TSB #A9120052060523_1
This bulletin contains general instructions for MIB3 software updates. Read More »
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TSB #A9120842060194_1
This bulletin states to create a PSS for when the Gas pop-up is blank. Read More »
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TSB #A9119232037809_5
This informational bulletin contains instructions about updating the navigation map. Read More »
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TSB #A0019222047812_6
This informational bulletin contains instructions for setting up and using the SD Creator program. 2010-2021 A3, 2015-2021 A3 Cabrio, 2010-2016 A3 Sportback, 2010-2021 A4, 2010-2021 A4 allroad, 2010-2012 A4 Avant, 2010-2021 A5 Cabrio, ... Read More »
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TSB #A9119652050565_2
This bulletin contains general software update instructions for vehicles with PR Code 7UH. 2016-2020 A3, 2016-2020 A3 Cabrio, 2016 A3 Sportback, 2016-2020 A4, 2016-2020 A4 allroad, 2016-2012 A4 Avant, 2016-2020 A5 Cabrio, 2016-2020 A5 ... Read More »
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TSB #A9120142060675_1
This bulletin contains instructions for addressing the issue when the parking assist will intermittently alert the customer to an obstruction and the sensors look 'pushed in'. Read More »
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TSB #A9120142060675_1
This bulletin contains instructions for addressing the issue when the parking assist will intermittently alert the customer to an obstruction and the sensors look 'pushed in'. Read More »
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TSB #A9419182012749_1
Exterior lights, moisture accumulation 2013-2021 A3 Cabriolet, 2016-2018 Sportback, 2004-2005 A4 Cabriolet, 2004-2008 S4 Cabriolet, 2008 RS4 Cabriolet, 2010-2021 A4 allroad, 2018-2021 A5 Sportback, 2010-2012, 2018-2021 RS5 Cabriolet, ... Read More »
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TSB #A0021472031473_3
This information bulletin states to remove the car wash bristle and advise the customer to go somewhere else to prevent it from occurring again. Read More »
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TSB #A9424752073316_1
This bulletin provides information when there is a warning for the 3rd brake light; DTC B12C615. Read More »
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TSB #A9219232038151_1
This bulletin provides instructions for repairing a vehicle with a washer solvent light on but the level is correct. Read More »
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TSB #A6420742020552_9
This bulletin provides instructions on how to clean exterior glass. Read More »
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TSB #A921924203815111
This bulletin provides instructions for repairing a vehicle with a washer solvent light on but the level is correct. Read More »
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TSB #A9219232038151_1
This bulletin provides instructions for repairing a vehicle with a washer solvent light on but the level is correct. Read More »
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TSB #A8023122062583_2
This bulletin provides instructions for when the customer advises that there is insufficient or uneven cabin heating from the HVAC system. Read More »
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TSB #A0019212052680_1
This bulletin contains instructions for additional reporting requirements for safety related inquiries (airbag/seatbelts, accidents, fire and overheat damage). Read More »
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TSB #A6921662063398_1
This informational bulletin outlines what is damage due to outside influence on a seat belt. Read More »
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TSB #A0019212052680_1
This bulletin contains instructions for additional reporting requirements for safety related inquiries (airbag/seatbelts, accidents, fire and overheat damage). Read More »
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TSB #A0021482021205_6
This informational bulletin explains how to order replacement VIN plates, Safety Certification Labels, etc. Read More »
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TSB #A0021472031473_3
This information bulletin states to remove the car wash bristle and advise the customer to go somewhere else to prevent it from occurring again. Read More »
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TSB #A9120142060675_1
This bulletin contains instructions for addressing the issue when the parking assist will intermittently alert the customer to an obstruction and the sensors look 'pushed in'. Read More »
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TSB #A6420722047061_2
This bulletin contains a cleaning procedure from leftover residue from suction cups or labels. Read More »
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TSB #21AUTIRECHAINS
Added new graphic to reflect where to find MY 21 information Read More »
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TSB #A4421792022563_1
This bulletin provides information regarding vibrations or movement that are felt in the wheel. Read More »
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TSB #21AUTIRECHAINS
Added new graphic to reflect where to find MY 21 information Read More »
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TSB #A4419702056386_1
This bulletin contains instructions for when the vehicle pulls to one side or the steering wheel is crooked. 2019-2021 A3 Cabriolet, A5 Sportback, RS5 Cabriolet, S5 Sportback, 2021 RS6 Avant Read More »
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TSB #A9023182065960_2
This bulletin provides information for when the virtual cockpit is distorted due a broken screen caused by outside influence. Read More »
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TSB #A9023452064983_6
This bulletin provides information for when the Virtual cockpit displays a colorful line (pixel error). Read More »
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TSB #SM 48-2022
This special notice is to inform dealers to return the parts listed if it meets the criteria provided. Read More »
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TSB #SM 09-2022
This special notice is to inform dealers to return the parts listed if it meets the criteria provided. Read More »
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TSB #A462227203418119
This technical service bulletin provides troubleshooting for brake noise. Read More »
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TSB #A192228202530313
This bulletin contains instructions for identifying and mixing factory fill coolants. Read More »
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TSB #SM 100-2021
This special notice is to inform dealers to return the parts listed if it meets the criteria provided. Read More »
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TSB #SM 89-2021
This special notice is to inform dealers to return the parts listed if it meets the criteria provided. Read More »
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TSB #A9121312061028_3
This bulletin explains and troubleshoots when Audi connect does not have a green SOS light. Read More »
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TSB #A4821092028220_9
This technical service bulletin informs the reader that damage to the appearance of the leather steering wheel caused by outside influence is not covered under warranty. Read More »
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TSB #SM 44-2021
This special notice is to inform dealers to return the parts listed if it meets the criteria provided. Read More »
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TSB #A9121862062713_1
This bulletin contains repair instructions for when there is radio static when the rear heater is active. Read More »
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TSB #A6621692030471_6
This informational bulletin covers the condition of when license plate mounting bracket threaded inserts are stripped. Read More »
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TSB #21AUTIRECHAINS
Added new graphic to reflect where to find MY 21 information Read More »
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TSB #A0120832060429_1
This bulletin contains instructions for when there may be a noise from the exhaust flap or there are DTCs sporadically stored in the ECM. Read More »
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TSB #A9020652032113_4
This information bulletin contains a background on the outside air temperature reading. Read More »
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TSB #A4020132059474_2
This bulletin contains instructions for correcting buffer stop noise (rumbling or squeaking from the front end). Read More »
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TSB #A9120842060194_1
This bulletin states to create a PSS for when the Gas pop-up is blank. Read More »
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TSB #A0020382039206_3
This informational bulletin contains instructions on how to use the QR code in a TSB. Read More »
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TSB #A9120702044694_2
This technical service bulletin provides troubleshooting for issues with the navigation map database. Read More »
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TSB #A4020062059474_1
This bulletin contains instructions for correcting buffer stop noise (rumbling or squeaking from the front end). Read More »
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TSB #A4220442038689_4
This bulletin contains information on how to fix a clunking or rattling noise heard from the rear suspension when the vehicle is driven over bumps. Read More »
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TSB #A9120652036576_6
This informational bulletin contains instructions for when a phone is connected to the vehicle via Bluetooth, one of the following conditions occurs when the user searches for a contact name in the MMI address book (by using the MMI ... Read More »
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TSB #A6420742020552_9
This bulletin provides instructions on how to clean exterior glass. Read More »
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TSB #A921924203815111
This bulletin provides instructions for repairing a vehicle with a washer solvent light on but the level is correct. Read More »
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TSB #A9119232037809_5
This informational bulletin contains instructions about updating the navigation map. Read More »
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TSB #A9419182012749_1
Exterior lights, moisture accumulation 2013-2021 A3 Cabriolet, 2016-2018 Sportback, 2004-2005 A4 Cabriolet, 2004-2008 S4 Cabriolet, 2008 RS4 Cabriolet, 2010-2021 A4 allroad, 2018-2021 A5 Sportback, 2010-2012, 2018-2021 RS5 Cabriolet, ... Read More »
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TSB #A0019262052680_2
This bulletin contains instructions for additional reporting requirements for safety related inquiries (airbag/seatbelts, accidents, fire and overheat damage. Read More »
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TSB #A0019212052680_1
This bulletin contains instructions for additional reporting requirements for safety related inquiries (airbag/seatbelts, accidents, fire and overheat damage). Read More »
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TSB #A9122662065728_1
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. Read More »
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TSB #A9120142060675_1
This bulletin contains instructions for addressing the issue when the parking assist will intermittently alert the customer to an obstruction and the sensors look 'pushed in'. Read More »
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TSB #A9120722037809_6
This informational bulletin contains instructions about updating the navigation map. Read More »
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TSB #A0020362002047_1
This information bulletin contains instructions for technicans on how to ensure their TAC call goes smoothly. Read More »
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TSB #A9120942045106_6
This bulletin provides instructions on how to properly replace a coaxial connection if it is damaged. Read More »
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TSB #A912039201818711
This bulletin contains inspection guidelines for radio interference that causes noises in the speaker. Read More »
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TSB #A9120112037809_7
This informational bulletin contains instructions about updating the navigation map. Read More »
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TSB #A9119742037809_4
This informational bulletin contains instructions about updating the navigation map. 2015-2021 A3 2017-2021 A4, Q7, and R8 2018-2021 A5, Q5, and SQ5 2016-2021 TT, TTS, TTRS, and Roadster 2019-2021 A6, A7, A8, Q3, Q8, and Audi e-tron ... Read More »
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TSB #A9124682072959_1
This bulletin provides information for when Apple CarPlay pops up or takes over audio without user intervention in vehicles with the Audi Smartphone Interface. Read More »
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TSB #A9023452064983_6
This bulletin provides information for when the Virtual cockpit displays a colorful line (pixel error). Read More »
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TSB #A0023752066297_3
This bulletin provides details on the VIN-4-PIN program. Read More »
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TSB #A0023742052680_4
This bulletin provides information on the additional reporting requirements for safety related inquiries. Read More »
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TSB #DC_Alternator_6
Support for Customers Affected by Alternator Back-order Read More »
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TSB #DC_Alternator_2
Support for Customers Affected by Alternator Back-order Read More »
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TSB #A4623402069078_1
This bulletin contains instructions for when the zirconium inserts found to be not firmly attached during service work. Read More »
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TSB #DC_RECALLS
SAFETY RECALLS, COMPLIANCE RECALLS and STOP SALES Read More »
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TSB #A0021482021205_6
This informational bulletin explains how to order replacement VIN plates, Safety Certification Labels, etc. Read More »
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TSB #A0021472031473_3
This information bulletin states to remove the car wash bristle and advise the customer to go somewhere else to prevent it from occurring again. Read More »
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TSB #A5120132009967_1
This bulletin contains instructions for vehicle inspection, protection removal, and detailing. Read More »
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TSB #A0019292031473_2
This informational bulletin contains instructions for when car wash bristles are stuck in the headlights. Read More »
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TSB #A6019322055443_1
This informational bulletin contains instructions for claiming Panoramic sunroofs. 2017-2022 A3, A3 Cabriolet, S3, A4, S4, A4 allroad, A5, A5 Cabriolet, S5, S5 Cabriolet, A5 Sportback, S5 Sportback, RS5, A6, S6, RS6, Q3, Q5, SQ5, Q7, and ... Read More »
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TSB #A462227203418119
This technical service bulletin provides troubleshooting for brake noise. Read More »
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TSB #A4020062059474_1
This bulletin contains instructions for correcting buffer stop noise (rumbling or squeaking from the front end). Read More »
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TSB #A9119232037809_5
This informational bulletin contains instructions about updating the navigation map. Read More »
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TSB #A9419182012749_1
Exterior lights, moisture accumulation 2013-2021 A3 Cabriolet, 2016-2018 Sportback, 2004-2005 A4 Cabriolet, 2004-2008 S4 Cabriolet, 2008 RS4 Cabriolet, 2010-2021 A4 allroad, 2018-2021 A5 Sportback, 2010-2012, 2018-2021 RS5 Cabriolet, ... Read More »
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TSB #A8719912041717_6
This informational bulletin details on how to get a GFF test plan for A/C compressor replacements. 2010-2021 A3, 2015-2021 A3 Cabrio, 2010-2016 A3 Sportback, 2010-2021 A4, 2010-2021 A4 allroad, 2010-2012 A4 Avant, 2010-2021 A5 Cabrio, ... Read More »
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TSB #A2724712067906_5
This bulletin provides information for when DTC P0A7D00 is stored. Read More »
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TSB #A9424752073316_1
This bulletin provides information when there is a warning for the 3rd brake light; DTC B12C615. Read More »
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TSB #AUD4927ENG
Due to new Minnesota state regulations regarding biofuels, biodiesel blends of B5 or less may not be available in the State of Minnesota. Read More »