Subaru Ascent 2020–2024 — technical service bulletin
Bulletin 15-246-19R · NHTSA communication 11019951 · issued Jun 26, 2025
Technical service bulletin
communication type
Engine
component
2020–2024
model years
21
vehicle entries
Official summary
This Service Information Bulletin outlines a new required procedure to follow when performing immobilizer-related repairs on the models listed.
Vehicles covered
- 2024 Subaru Ascent
- 2023 Subaru BRZ
- 2024 Subaru BRZ
- 2024 Subaru Crosstrek
- 2022 Subaru Forester
- 2023 Subaru Forester
- 2024 Subaru Forester
- 2024 Subaru Impreza
- 2020 Subaru Legacy
- 2021 Subaru Legacy
- 2022 Subaru Legacy
- 2023 Subaru Legacy
- 2024 Subaru Legacy
- 2020 Subaru Outback
- 2021 Subaru Outback
- 2022 Subaru Outback
- 2023 Subaru Outback
- 2024 Subaru Outback
- 2022 Subaru WRX
- 2023 Subaru WRX
- 2024 Subaru WRX
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.