Audi Q6 E-Tron 2025 — technical service bulletin
Bulletin TSB_2078039_2 · NHTSA communication 11028410 · issued Jan 14, 2026
Technical service bulletin
communication type
Electrical System
component
2025
model years
4
vehicle entries
Official summary
This bulletin provides information when there is a warming message about the high-voltage electrical system, U014600, U112100, U041200.
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.