Subaru WRX 2022 — technical service bulletin
Bulletin 15-301-22 · NHTSA communication 10222343 · issued Sep 9, 2022
Technical service bulletin
communication type
Electrical System
component
2022
model years
1
vehicle entries
Official summary
The bulletin announces reprogramming file availability and provides a software update installation procedure to optimize the new Gen 4 Denso CP1 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.