Audi Q4 E-Tron 2024–2025 — technical service bulletin
Bulletin TSB_2073560_7 · NHTSA communication 11028403 · issued Jan 5, 2026
Technical service bulletin
communication type
Electrical System
component
2024–2025
model years
4
vehicle entries
Official summary
This bulletin provides information when the vehicle/HV battery does not charge; drive system unavailable; DTC P1A0800, P1A0F00, P1A1600.
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.