Subaru Ascent 2017–2024 — technical service bulletin
Bulletin 11-205-25 · NHTSA communication 11013512 · issued Jan 17, 2025
Technical service bulletin
communication type
Electrical System
component
2017–2024
model years
28
vehicle entries
Official summary
This bulletin announces the repair procedures to be followed when DTC P1449 (EVAP System Clog Detected) is detected by the Engine Control Module (ECM).
Vehicles covered
- 2019 Subaru Ascent
- 2020 Subaru Ascent
- 2021 Subaru Ascent
- 2022 Subaru Ascent
- 2023 Subaru Ascent
- 2024 Subaru Ascent
- 2018 Subaru Crosstrek
- 2019 Subaru Crosstrek
- 2020 Subaru Crosstrek
- 2021 Subaru Crosstrek
- 2022 Subaru Crosstrek
- 2023 Subaru Crosstrek
- 2019 Subaru Forester
- 2020 Subaru Forester
- 2021 Subaru Forester
- 2022 Subaru Forester
- 2023 Subaru Forester
- 2024 Subaru Forester
- 2017 Subaru Impreza
- 2018 Subaru Impreza
- 2019 Subaru Impreza
- 2020 Subaru Impreza
- 2021 Subaru Impreza
- 2022 Subaru Impreza
- 2023 Subaru Impreza
- 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.