Subaru Ascent 2019–2022 — technical service bulletin
Bulletin 18-225-22R · NHTSA communication 10222338 · issued Sep 6, 2022
Technical service bulletin
communication type
Equipment
component
2019–2022
model years
16
vehicle entries
Official summary
This Service Bulletin is to inform you of the diagnosis procedure of the Harman Infotainment System when DTC B2255 is detected.
Vehicles covered
- 2019 Subaru Ascent
- 2020 Subaru Ascent
- 2021 Subaru Ascent
- 2022 Subaru Ascent
- 2019 Subaru Crosstrek
- 2020 Subaru Crosstrek
- 2021 Subaru Crosstrek
- 2022 Subaru Crosstrek
- 2019 Subaru Forester
- 2020 Subaru Forester
- 2021 Subaru Forester
- 2022 Subaru Forester
- 2019 Subaru Impreza
- 2020 Subaru Impreza
- 2021 Subaru Impreza
- 2022 Subaru Impreza
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.