Subaru Ascent 2017–2020 — technical service bulletin

Bulletin 15-240-19R · NHTSA communication 10182249 · issued Oct 30, 2020

Technical service bulletin

communication type

Electrical System

component

2017–2020

model years

vehicle entries

Official summary

This bulletin announces availability of new Harman audio unit amplifier units with revised internal logic designed to optimize efficiency.

Vehicles covered

2019 Subaru Ascent
2020 Subaru Ascent
2018 Subaru Crosstrek
2019 Subaru Crosstrek
2020 Subaru Crosstrek
2019 Subaru Forester
2020 Subaru Forester
2017 Subaru Impreza
2018 Subaru Impreza
2019 Subaru Impreza
2020 Subaru Impreza
2018 Subaru Legacy
2019 Subaru Legacy
2018 Subaru Outback
2019 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.