Audi E-Tron 2019–2025 — technical service bulletin
Bulletin A4524452072977_3 · NHTSA communication 11005891 · issued Jul 31, 2024
Technical service bulletin
communication type
Service Brakes
component
2019–2025
model years
15
vehicle entries
Official summary
This bulletin provide sinformation when the ABS/ESC Control unit cannot be reached; DTC U012100 "ABS Control Module no communication."
Vehicles covered
- 2019 Audi E-Tron
- 2021 Audi E-Tron
- 2022 Audi E-Tron
- 2023 Audi E-Tron
- 2020 Audi E-Tron Sportback
- 2021 Audi E-Tron Sportback
- 2022 Audi E-Tron Sportback
- 2023 Audi E-Tron Sportback
- 2024 Audi Q8 E-Tron
- 2025 Audi Q8 E-Tron
- 2024 Audi Q8 Sportback E-Tron
- 2025 Audi Q8 Sportback E-Tron
- 2024 Audi SQ8 E-Tron
- 2025 Audi SQ8 E-Tron
- 2024 Audi SQ8 Sportback E-Tron
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.