Subaru Ascent 2020–2023 — technical service bulletin
Bulletin 15-268-20R · NHTSA communication 10233899 · issued Mar 15, 2023
Technical service bulletin
communication type
Electrical System
component
2020–2023
model years
12
vehicle entries
Official summary
USB Map Data Update Procedure for Denso Gen 4 Navigation Equipped System.
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.