Audi A4 2025 — technical service bulletin
Bulletin TSB_2079837_2 · NHTSA communication 11029403 · issued Feb 27, 2026
Technical service bulletin
communication type
Electrical System
component
2025
model years
27
vehicle entries
Official summary
This bulletin provides information when the bluetooth/Audi smartphone interface takes a while to connect, or the connection is interrupted.
Vehicles covered
- 2025 Audi A4
- 2025 Audi A4 Allroad
- 2025 Audi A5 Sportback
- 2025 Audi A6
- 2025 Audi A6 Allroad
- 2025 Audi A7
- 2025 Audi A8
- 2025 Audi E-Tron GT
- 2025 Audi Q5
- 2025 Audi Q5 E
- 2025 Audi Q5 Sportback
- 2025 Audi Q7
- 2025 Audi Q8
- 2025 Audi RS 5 Sportback
- 2025 Audi RS 6 Avant
- 2025 Audi RS 7
- 2025 Audi RS E-Tron GT
- 2025 Audi RS Q8
- 2025 Audi S4
- 2025 Audi S5 Sportback
- 2025 Audi S6
- 2025 Audi S7
- 2025 Audi S8
- 2025 Audi SQ5
- 2025 Audi SQ5 Sportback
- 2025 Audi SQ7
- 2025 Audi SQ8
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.