Subaru WRX 2022–2023 — technical service bulletin
Bulletin 15-301-22R · NHTSA communication 10252459 · issued Mar 15, 2024
Technical service bulletin
communication type
Equipment
component
2022–2023
model years
2
vehicle entries
Official summary
This bulletin announces reprograming files for the optimization of Gen 4 Denso CP1 audio and navigation head units.
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.