Audi A3 2017–2021 — technical service bulletin
Bulletin A1921122061918_2 · NHTSA communication 10188590 · issued Mar 2, 2021
Technical service bulletin
communication type
Engine and Engine Cooling
component
2017–2021
model years
60
vehicle entries
Official summary
This bulletin provides guidance on diagnosing a coolant light concern with normal coolant level in the tank.
Vehicles covered
- 2017 Audi A3
- 2018 Audi A3
- 2019 Audi A3
- 2020 Audi A3
- 2017 Audi A3 Sportback E-Tron
- 2018 Audi A3 Sportback E-Tron
- 2017 Audi A4
- 2018 Audi A4
- 2019 Audi A4
- 2020 Audi A4
- 2021 Audi A4
- 2017 Audi A5
- 2018 Audi A5
- 2019 Audi A5
- 2020 Audi A5
- 2021 Audi A5
- 2017 Audi A5 Cabriolet
- 2018 Audi A5 Cabriolet
- 2019 Audi A5 Cabriolet
- 2020 Audi A5 Cabriolet
- 2021 Audi A5 Cabriolet
- 2017 Audi A6
- 2018 Audi A6
- 2019 Audi A6
- 2020 Audi A6
- 2021 Audi A6
- 2017 Audi A7
- 2018 Audi A7
- 2019 Audi A7
- 2020 Audi A7
- 2021 Audi A7
- 2017 Audi A8
- 2018 Audi A8
- 2019 Audi A8
- 2020 Audi A8
- 2021 Audi A8
- 2019 Audi E-Tron
- 2020 Audi E-Tron
- 2021 Audi E-Tron
- 2017 Audi Q3
- 2018 Audi Q3
- 2019 Audi Q3
- 2020 Audi Q3
- 2021 Audi Q3
- 2017 Audi Q5
- 2018 Audi Q5
- 2019 Audi Q5
- 2020 Audi Q5
- 2021 Audi Q5
- 2017 Audi Q7
- 2018 Audi Q7
- 2019 Audi Q7
- 2020 Audi Q7
- 2021 Audi Q7
- 2019 Audi Q8
- 2020 Audi Q8
- 2021 Audi Q8
- 2017 Audi R8
- 2018 Audi R8
- 2020 Audi R8
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.