Audi A5 2025–2027 — technical service bulletin
Bulletin TSB_2082613_1 · NHTSA communication 11035844 · issued Jul 2, 2026
Technical service bulletin
communication type
Electrical System
component
2025–2027
model years
25
vehicle entries
Official summary
This bulletin provides information when DTC B1BF4F3 is stored; control unit for low-voltage power distribution.
Vehicles covered
- 2025 Audi A5
- 2026 Audi A5
- 2026 Audi A6
- 2025 Audi A6 Sportback E-Tron
- 2027 Audi A6 Sportback E-Tron
- 2025 Audi Q5
- 2026 Audi Q5
- 2025 Audi Q5 Sportback
- 2026 Audi Q5 Sportback
- 2025 Audi Q6 E-Tron
- 2027 Audi Q6 E-Tron
- 2025 Audi Q6 Sportback E-Tron
- 2027 Audi Q6 Sportback E-Tron
- 2025 Audi S5
- 2026 Audi S5
- 2025 Audi S6 Sportback E-Tron
- 2027 Audi S6 Sportback E-Tron
- 2025 Audi SQ5
- 2026 Audi SQ5
- 2025 Audi SQ5 Sportback
- 2026 Audi SQ5 Sportback
- 2025 Audi SQ6 E-Tron
- 2027 Audi SQ6 E-Tron
- 2025 Audi SQ6 Sportback E-Tron
- 2027 Audi SQ6 Sportback E-Tron
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.