2021 Audi A4Service bulletins
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.
- 10161672Jun 21, 2019Equipment. 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, 2010-2021 A5 Coupe, 2018-2021 A5 Sportback, 2010-2021 A6, 2010-2021 A7, 2010-2021 A8, 2010-2019 e-tron, 2015-2021 Q3, 2010-2021 Q5, 2010-2021 Q7, 2019-2021 Q8, 2010-2020 R8 Coupe…
- 10161670Jun 18, 2019Electrical system. 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 Coupe, 2018-2020 A5 Sportback, 2016-2020 A6, 2016-2020 A7, 2016-2020 A8, 2016-2020 e-tron, 2019-2020 e-tron quattro, 2016-2020 Q3, 2016-2020 Q5, 2016-2020 Q7, 2016-2020 Q8, 2016-2020…
- 10161273Jun 7, 2019Equipment, Seat belts, Air bags. This bulletin contains instructions for additional reporting requirements for safety related inquiries (airbag/seatbelts, accidents, fire and overheat damage).
- 10158484Feb 12, 2019Equipment, Electrical system. This bulletin contains instructions for correctly programming a door opener (produced by the Chamberlain Group) to the HomeLink.
- 10155738Feb 12, 2019Body and structure, Electrical system, Equipment. This bulletin contains instructions for correctly programming a door opener (produced by the Chamberlain Group) to the HomeLink.
- 10249054Jul 10, 2014Other or unknown. Due to new Minnesota state regulations regarding biofuels, biodiesel blends of B5 or less may not be available in the State of Minnesota.
- 10251023Feb 18, 2013Suspension. Steering wheel shimmy, vibration and/or oscillation
← All problems reported for the 2021 Audi A4
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.