Subaru Ascent 2019–2022 — technical service bulletin
Bulletin SubaruNet Announ · NHTSA communication 10231314 · issued Jan 24, 2023
Technical service bulletin
communication type
Electrical System
component
2019–2022
model years
4
vehicle entries
Official summary
WRL-22 PTC Heater Ground Bolt left side sill cover removal.
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.