Audi A3 2012–2021 — technical service bulletin
Bulletin A1921222046712_3 · NHTSA communication 10199717 · issued Jul 26, 2021
Technical service bulletin
communication type
Equipment
component
2012–2021
model years
60
vehicle entries
Official summary
This informational bulletin contains guidelines for figuring out why coolant marks are present around the coolant expansion tank cap.
Vehicles covered
- 2012 Audi A3
- 2013 Audi A3
- 2014 Audi A3
- 2015 Audi A3
- 2016 Audi A3
- 2017 Audi A3
- 2018 Audi A3
- 2019 Audi A3
- 2020 Audi A3
- 2015 Audi A3 Etron
- 2016 Audi A3 Sportback E-Tron
- 2017 Audi A3 Sportback E-Tron
- 2018 Audi A3 Sportback E-Tron
- 2012 Audi A4
- 2013 Audi A4
- 2014 Audi A4
- 2015 Audi A4
- 2016 Audi A4
- 2017 Audi A4
- 2018 Audi A4
- 2019 Audi A4
- 2020 Audi A4
- 2021 Audi A4
- 2012 Audi A5
- 2013 Audi A5
- 2014 Audi A5
- 2015 Audi A5
- 2016 Audi A5
- 2017 Audi A5
- 2018 Audi A5
- 2019 Audi A5
- 2020 Audi A5
- 2021 Audi A5
- 2012 Audi A5 Cabriolet
- 2013 Audi A5 Cabriolet
- 2014 Audi A5 Cabriolet
- 2015 Audi A5 Cabriolet
- 2016 Audi A5 Cabriolet
- 2017 Audi A5 Cabriolet
- 2018 Audi A5 Cabriolet
- 2019 Audi A5 Cabriolet
- 2020 Audi A5 Cabriolet
- 2021 Audi A5 Cabriolet
- 2012 Audi A6
- 2013 Audi A6
- 2014 Audi A6
- 2015 Audi A6
- 2016 Audi A6
- 2017 Audi A6
- 2018 Audi A6
- 2019 Audi A6
- 2020 Audi A6
- 2021 Audi A6
- 2020 Audi A6 Allroad
- 2021 Audi A6 Allroad
- 2012 Audi A7
- 2013 Audi A7
- 2014 Audi A7
- 2015 Audi A7
- 2016 Audi A7
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.