Audi A4 2017–2023 — technical service bulletin

Bulletin TSB_2082977_1 · NHTSA communication 11036974 · issued Aug 7, 2026

Technical service bulletin

communication type

Electrical System

component

2017–2023

model years

vehicle entries

Official summary

This bulletin provides informaiton when the airbag warning lamp is active, event memory "B200000 - Faulty control module, symptom 305".

Vehicles covered

2017 Audi A4
2018 Audi A4
2019 Audi A4
2020 Audi A4
2021 Audi A4
2022 Audi A4
2023 Audi A4
2017 Audi A4 Allroad
2018 Audi A4 Allroad
2019 Audi A4 Allroad
2020 Audi A4 Allroad
2021 Audi A4 Allroad
2022 Audi A4 Allroad
2023 Audi A4 Allroad
2018 Audi A5
2019 Audi A5
2020 Audi A5
2021 Audi A5
2022 Audi A5
2023 Audi A5
2018 Audi A5 Cabriolet
2019 Audi A5 Cabriolet
2020 Audi A5 Cabriolet
2021 Audi A5 Cabriolet
2022 Audi A5 Cabriolet
2023 Audi A5 Cabriolet
2018 Audi A5 Sportback
2019 Audi A5 Sportback
2020 Audi A5 Sportback
2021 Audi A5 Sportback
2022 Audi A5 Sportback
2023 Audi A5 Sportback
2018 Audi Q7
2019 Audi Q7
2020 Audi Q7
2021 Audi Q7
2022 Audi Q7
2023 Audi Q7
2023 Audi Q8
2018 Audi RS 5
2019 Audi RS 5
2021 Audi RS 5
2022 Audi RS 5
2023 Audi RS 5
2019 Audi RS 5 Sportback
2021 Audi RS 5 Sportback
2022 Audi RS 5 Sportback
2023 Audi RS 5 Sportback
2023 Audi RS Q8
2018 Audi S4
2019 Audi S4
2020 Audi S4
2021 Audi S4
2022 Audi S4
2023 Audi S4
2018 Audi S5
2019 Audi S5
2020 Audi S5
2021 Audi S5
2022 Audi S5

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.