Subaru Ascent 2020–2023 — technical service bulletin
Bulletin 15-246-19R · NHTSA communication 10228796 · issued Dec 30, 2022
Technical service bulletin
communication type
Electrical System
component
2020–2023
model years
15
vehicle entries
Official summary
This Service Information Bulletin outlines a new required procedure to follow when performing immobilizer-related repairs.
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.