Audi A3 2012–2020 — technical service bulletin
Bulletin A191777 2046712- · NHTSA communication 10118415 · issued Feb 3, 2017
Technical service bulletin
communication type
Engine and Engine Cooling
component
2012–2020
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
- 2020 Audi A3
- 2015 Audi A3 Cabriolet
- 2016 Audi A3 Cabriolet
- 2017 Audi A3 Cabriolet
- 2018 Audi A3 Cabriolet
- 2019 Audi A3 Cabriolet
- 2012 Audi A3 Etron
- 2013 Audi A3 Etron
- 2014 Audi A3 Etron
- 2015 Audi A3 Etron
- 2016 Audi A3 Sportback E-Tron
- 2017 Audi A3 Sportback E-Tron
- 2020 Audi A4
- 2013 Audi A4 Allroad
- 2014 Audi A4 Allroad
- 2015 Audi A4 Allroad
- 2016 Audi A4 Allroad
- 2017 Audi A4 Allroad
- 2018 Audi A4 Allroad
- 2019 Audi A4 Allroad
- 2012 Audi A4 Avant
- 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
- 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
- 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
- 2012 Audi A7
- 2013 Audi A7
- 2014 Audi A7
- 2015 Audi A7
- 2016 Audi A7
- 2017 Audi A7
- 2018 Audi A7
- 2019 Audi A7
- 2020 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.