Subaru Ascent 2016–2022 — technical service bulletin
Bulletin 07-178-21R · NHTSA communication 10225744 · issued Oct 3, 2022
Technical service bulletin
communication type
Electrical System
component
2016–2022
model years
27
vehicle entries
Official summary
This bulletin is being released as guidance for proper testing and charging of vehicle batteries.
Vehicles covered
- 2019 Subaru Ascent
- 2020 Subaru Ascent
- 2021 Subaru Ascent
- 2022 Subaru Ascent
- 2020 Subaru Crosstrek
- 2021 Subaru Crosstrek
- 2022 Subaru Crosstrek
- 2016 Subaru Crosstrek Hybrid
- 2020 Subaru Crosstrek Hybrid
- 2021 Subaru Crosstrek Hybrid
- 2022 Subaru Crosstrek Hybrid
- 2019 Subaru Forester
- 2020 Subaru Forester
- 2021 Subaru Forester
- 2022 Subaru Forester
- 2017 Subaru Impreza
- 2018 Subaru Impreza
- 2019 Subaru Impreza
- 2020 Subaru Impreza
- 2021 Subaru Impreza
- 2022 Subaru Impreza
- 2020 Subaru Legacy
- 2021 Subaru Legacy
- 2022 Subaru Legacy
- 2020 Subaru Outback
- 2021 Subaru Outback
- 2022 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.