Audi Q4 E-Tron 2021–2026 — technical service bulletin
Bulletin SM 53-2025 · NHTSA communication 11025425 · issued Oct 22, 2025
Technical service bulletin
communication type
Electrical System
component
2021–2026
model years
15
vehicle entries
Official summary
This special notice is to inform dealers to return the parts listed if it meets the criteria provided.
Vehicles covered
- 2022 Audi Q4 E-Tron
- 2023 Audi Q4 E-Tron
- 2024 Audi Q4 E-Tron
- 2025 Audi Q4 E-Tron
- 2026 Audi Q4 E-Tron
- 2022 Audi Q4 Sportback E-Tron
- 2023 Audi Q4 Sportback E-Tron
- 2024 Audi Q4 Sportback E-Tron
- 2025 Audi Q4 Sportback E-Tron
- 2026 Audi Q4 Sportback E-Tron
- 2021 Volkswagen ID.4
- 2022 Volkswagen ID.4
- 2023 Volkswagen ID.4
- 2025 Volkswagen Id. Buzz
- 2026 Volkswagen Id. Buzz
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.