Subaru Legacy 2023 — technical service bulletin
Bulletin 15-305-22R · NHTSA communication 10228798 · issued Dec 30, 2022
Technical service bulletin
communication type
Electrical System
component
2023
model years
2
vehicle entries
Official summary
The following information announces reprogramming file availability and provides a software update installation procedure to optimize the new Gen 4 Denso CP1.5 Audio and Navigation head units utilized in the models listed.
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.