Subaru Ascent 2019–2025 — technical service bulletin
Bulletin 12-252-23R · NHTSA communication 11021265 · issued Jul 29, 2025
Technical service bulletin
communication type
Electrical System
component
2019–2025
model years
16
vehicle entries
Official summary
This bulletin announces the availability of new seat ventilation blower units.
Vehicles covered
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.