Subaru Ascent 2019–2022 — technical service bulletin
Bulletin 02-190-22 · NHTSA communication 10209937 · issued Mar 29, 2022
Technical service bulletin
communication type
Electrical System
component
2019–2022
model years
10
vehicle entries
Official summary
This bulletin announces the proper diagnostic procedures regarding oil leakage from the oil level switch area.
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.