Subaru Crosstrek 2017–2022 — technical service bulletin
Bulletin 09-121-24 · NHTSA communication 11000827 · issued May 14, 2024
Technical service bulletin
communication type
Engine
component
2017–2022
model years
11
vehicle entries
Official summary
This bulletin announces availability of reprograming files for the Engine Control Module (ECM) to address rare cases of the engine surging/jolting when releasing the accelerator from half-throttle.
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.