Audi A6 Sportback E-Tron 2025 — technical service bulletin
Bulletin TSB_2077962_4 · NHTSA communication 11028437 · issued Jan 21, 2026
Technical service bulletin
communication type
Electrical System
component
2025
model years
6
vehicle entries
Official summary
This TSB provides informaiton when the charging cable is shown as being connected; DTC U01E400.
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.