Subaru Ascent 2019–2025 — technical service bulletin
Bulletin 12-252-23R · NHTSA communication 11024856 · issued Oct 23, 2025
Technical service bulletin
communication type
Electrical System
component
2019–2025
model years
20
vehicle entries
Official summary
This bulletin announces the availability of new seat ventilation blower units which have been redesigned to address some cases of a vibration-type sound emitting from the blower unit during seat ventilation operation.
Vehicles covered
- 2019 Subaru Ascent
- 2020 Subaru Ascent
- 2021 Subaru Ascent
- 2022 Subaru Ascent
- 2023 Subaru Ascent
- 2024 Subaru Ascent
- 2025 Subaru Ascent
- 2025 Subaru Forester
- 2020 Subaru Legacy
- 2021 Subaru Legacy
- 2022 Subaru Legacy
- 2023 Subaru Legacy
- 2024 Subaru Legacy
- 2025 Subaru Legacy
- 2020 Subaru Outback
- 2021 Subaru Outback
- 2022 Subaru Outback
- 2023 Subaru Outback
- 2024 Subaru Outback
- 2025 Subaru Outback
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.