Audi A4 2017–2023 — technical service bulletin

Bulletin A4723262055646_6 · NHTSA communication 10247494 · issued Dec 11, 2023

Technical service bulletin

communication type

Service Brakes, Hydraulic

component

2017–2023

model years

vehicle entries

Official summary

This bulletin provides information for when there is a hard brake pedal while attempting to start the vehicle.

Vehicles covered

2017 Audi A4
2018 Audi A4
2019 Audi A4
2020 Audi A4
2021 Audi A4
2020 Audi A4 Allroad
2021 Audi A4 Allroad
2018 Audi A5
2019 Audi A5
2020 Audi A5
2021 Audi A5
2018 Audi A5 Cabriolet
2019 Audi A5 Cabriolet
2020 Audi A5 Cabriolet
2021 Audi A5 Cabriolet
2019 Audi A6
2020 Audi A6
2021 Audi A6
2020 Audi A6 Allroad
2021 Audi A6 Allroad
2019 Audi A7
2020 Audi A7
2021 Audi A7
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
2022 Audi Q7
2023 Audi Q7
2019 Audi Q8
2021 Audi Q8
2022 Audi Q8
2023 Audi Q8
2018 Audi RS 5
2019 Audi RS 5
2021 Audi RS 5
2021 Audi RS 7
2020 Audi RS Q8
2021 Audi RS Q8
2022 Audi RS Q8
2023 Audi RS Q8
2018 Audi S4
2019 Audi S4
2020 Audi S4
2021 Audi S4
2018 Audi S5
2019 Audi S5
2020 Audi S5
2021 Audi S5
2018 Audi S5 Cabriolet
2019 Audi S5 Cabriolet
2020 Audi S5 Cabriolet
2021 Audi S5 Cabriolet
2020 Audi S6
2021 Audi S6

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.