Audi E-Tron 2019–2024 — technical service bulletin
Bulletin A4524392072977_1 · NHTSA communication 10250553 · issued Feb 14, 2024
Technical service bulletin
communication type
Service Brakes, Air
component
2019–2024
model years
8
vehicle entries
Official summary
This bulletin provides information when the ABS/ESC Control unit cannot be reached; DTC U012100, ABS Control Module no communication is stored.
Vehicles covered
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.