Subaru Crosstrek 2019–2023 — technical service bulletin
Bulletin 09-100-23 · NHTSA communication 10231316 · issued Jan 24, 2023
Technical service bulletin
communication type
Engine and Engine Cooling
component
2019–2023
model years
7
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 halfthrottle.
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.