Subaru Ascent 2019 — technical service bulletin
Bulletin Subarunet Annouc · NHTSA communication 10171935 · issued Feb 21, 2020
Technical service bulletin
communication type
Equipment
component
2019
model years
3
vehicle entries
Official summary
WUW-08 PCV; There has been an interruption in the supply of part numbers 11810AA230 and X1181AA010 from Japan.
Vehicles covered
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.