Audi A3 2025–2026 — technical service bulletin
Bulletin TSB_2078548_2 · NHTSA communication 11032152 · issued Apr 23, 2026
Technical service bulletin
communication type
Electrical System
component
2025–2026
model years
51
vehicle entries
Official summary
This TSB provides instructions for the combined baseline updates, and software version management.
Vehicles covered
- 2025 Audi A3
- 2026 Audi A3
- 2025 Audi A4
- 2025 Audi A4 Allroad
- 2025 Audi A5 Sportback
- 2025 Audi A6
- 2025 Audi A6 Allroad
- 2026 Audi A6 Allroad
- 2025 Audi A6 Sportback E-Tron
- 2025 Audi A7
- 2025 Audi A8
- 2026 Audi A8
- 2025 Audi E-Tron GT
- 2026 Audi E-Tron GT
- 2025 Audi Q3
- 2025 Audi Q4 E-Tron
- 2025 Audi Q4 Sportback E-Tron
- 2025 Audi Q5
- 2025 Audi Q5 E
- 2025 Audi Q5 Sportback
- 2025 Audi Q6 E-Tron
- 2025 Audi Q7
- 2026 Audi Q7
- 2025 Audi Q8
- 2026 Audi Q8
- 2026 Audi RS 3
- 2025 Audi RS 5 Sportback
- 2025 Audi RS 6 Avant
- 2026 Audi RS 6 Avant
- 2025 Audi RS 7
- 2026 Audi RS 7
- 2025 Audi RS E-Tron GT
- 2026 Audi RS E-Tron GT
- 2025 Audi RS Q8
- 2026 Audi RS Q8
- 2025 Audi S3
- 2026 Audi S3
- 2025 Audi S4
- 2025 Audi S5 Sportback
- 2025 Audi S6
- 2025 Audi S6 Sportback E-Tron
- 2025 Audi S7
- 2025 Audi S8
- 2026 Audi S8
- 2025 Audi SQ5
- 2025 Audi SQ5 Sportback
- 2025 Audi SQ6 E-Tron
- 2025 Audi SQ7
- 2026 Audi SQ7
- 2025 Audi SQ8
- 2026 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.