Audi A6 Sportback E-Tron 2025–2027 — technical service bulletin
Bulletin TSB_2076778_3 · NHTSA communication 11033479 · issued May 27, 2026
Technical service bulletin
communication type
Electrical System
component
2025–2027
model years
12
vehicle entries
Official summary
This Reporting obligation pre-repair states that technicians should contact the Technical Assistance Center (TAC) when the vehicle can no longer be started, and the red onboard supply warning lamp lights up in the instrument cluster; high-voltage battery isolation igniter (pyrofuse) P1CAC00 in 008C.
Vehicles covered
- 2025 Audi A6 Sportback E-Tron
- 2027 Audi A6 Sportback E-Tron
- 2025 Audi Q6 E-Tron
- 2027 Audi Q6 E-Tron
- 2025 Audi Q6 Sportback E-Tron
- 2027 Audi Q6 Sportback E-Tron
- 2025 Audi S6 Sportback E-Tron
- 2027 Audi S6 Sportback E-Tron
- 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.