Audi Q4 E-Tron 2022–2025 — technical service bulletin
Bulletin TSB_2077115_3 · NHTSA communication 11025279 · issued Oct 14, 2025
Technical service bulletin
communication type
Electrical System
component
2022–2025
model years
8
vehicle entries
Official summary
This bulletin provides information when the 12V battery is discarged, drive system not activated, or keyless opening is intermittently inoperable; DTC101100, U140000.
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.