Subaru Crosstrek 2024–2025 — technical service bulletin
Bulletin 09-134-25 · NHTSA communication 11016203 · issued Mar 17, 2025
Technical service bulletin
communication type
Engine
component
2024–2025
model years
4
vehicle entries
Official summary
The Bulletin announces the availability of reprogramming files to optimize the Engine Control Module (ECM).
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.