Audi A6 2019–2026 — technical service bulletin
Bulletin TSB_2054202_6 · NHTSA communication 11025325 · issued Oct 21, 2025
Technical service bulletin
communication type
Electrical System
component
2019–2026
model years
60
vehicle entries
Official summary
This bulletin provides informaton when there is an adaptive light system malfunction; DTC C12B3FA stored in the control module for driver assistance systems.
Vehicles covered
- 2019 Audi A6
- 2020 Audi A6
- 2021 Audi A6
- 2022 Audi A6
- 2023 Audi A6
- 2024 Audi A6
- 2025 Audi A6
- 2020 Audi A6 Allroad
- 2021 Audi A6 Allroad
- 2022 Audi A6 Allroad
- 2023 Audi A6 Allroad
- 2024 Audi A6 Allroad
- 2025 Audi A6 Allroad
- 2026 Audi A6 Allroad
- 2019 Audi A7
- 2020 Audi A7
- 2021 Audi A7
- 2022 Audi A7
- 2023 Audi A7
- 2024 Audi A7
- 2025 Audi A7
- 2021 Audi A7 E
- 2022 Audi A7 E
- 2019 Audi A8
- 2020 Audi A8
- 2021 Audi A8
- 2022 Audi A8
- 2023 Audi A8
- 2024 Audi A8
- 2025 Audi A8
- 2026 Audi A8
- 2020 Audi A8 L E
- 2021 Audi A8 L E
- 2019 Audi E-Tron
- 2021 Audi E-Tron
- 2022 Audi E-Tron
- 2023 Audi E-Tron
- 2022 Audi E-Tron GT
- 2023 Audi E-Tron GT
- 2024 Audi E-Tron GT
- 2025 Audi E-Tron GT
- 2026 Audi E-Tron GT
- 2020 Audi E-Tron Sportback
- 2021 Audi E-Tron Sportback
- 2022 Audi E-Tron Sportback
- 2023 Audi E-Tron Sportback
- 2020 Audi Q7
- 2021 Audi Q7
- 2022 Audi Q7
- 2023 Audi Q7
- 2024 Audi Q7
- 2025 Audi Q7
- 2026 Audi Q7
- 2019 Audi Q8
- 2020 Audi Q8
- 2021 Audi Q8
- 2022 Audi Q8
- 2023 Audi Q8
- 2024 Audi Q8
- 2025 Audi Q8
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.