Subaru Ascent 2019–2021 — technical service bulletin
Bulletin 15-255-19R · NHTSA communication 10183708 · issued Nov 23, 2020
Technical service bulletin
communication type
Equipment
component
2019–2021
model years
17
vehicle entries
Official summary
Map update for Harman Gen 3.1 Navigation Equipped Head Units.
Vehicles covered
- 2019 Subaru Ascent
- 2020 Subaru Ascent
- 2021 Subaru Ascent
- 2019 Subaru BRZ
- 2020 Subaru BRZ
- 2019 Subaru Crosstrek
- 2020 Subaru Crosstrek
- 2019 Subaru Impreza
- 2020 Subaru Impreza
- 2021 Subaru Impreza
- 2019 Subaru Legacy
- 2019 Subaru Outback
- 2019 Subaru WRX
- 2020 Subaru WRX
- 2021 Subaru WRX
- 2019 Subaru WRX Sti
- 2020 Subaru WRX Sti
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.