Subaru Ascent 2019–2020 — technical service bulletin
Bulletin Subarunet Announ · NHTSA communication 10208516 · issued Feb 7, 2022
Technical service bulletin
communication type
Power Train
component
2019–2020
model years
4
vehicle entries
Official summary
Subaru Safety & Emissions Recall: WRK-21 â CVT Chain Guide Breakage
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.