Audi A4 2018–2020 — technical service bulletin
Bulletin A1023252059446_6 · NHTSA communication 10230946 · issued Jan 24, 2023
Technical service bulletin
communication type
Engine and Engine Cooling
component
2018–2020
model years
26
vehicle entries
Official summary
This bulletin provides information for when there is oil found in the engine compartment, front end, and around the filler cap, and a smell is coming from the oil compartment.
Vehicles covered
- 2018 Audi A4
- 2019 Audi A4
- 2020 Audi A4
- 2019 Audi A6
- 2020 Audi A6
- 2020 Audi A6 Allroad
- 2019 Audi A7
- 2020 Audi A7
- 2018 Audi A8
- 2019 Audi A8
- 2020 Audi A8
- 2020 Audi A8 L E
- 2018 Audi Q7
- 2019 Audi Q7
- 2020 Audi Q7
- 2019 Audi Q8
- 2020 Audi Q8
- 2018 Audi S5
- 2019 Audi S5
- 2020 Audi S5
- 2018 Audi S5 Cabriolet
- 2019 Audi S5 Cabriolet
- 2020 Audi S5 Cabriolet
- 2018 Audi SQ5
- 2019 Audi SQ5
- 2020 Audi SQ5
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.