Subaru Crosstrek 2017–2019 — technical service bulletin
Bulletin WTT-79 · NHTSA communication 10145080 · issued Aug 21, 2018
Technical service bulletin
communication type
Power Train
component
2017–2019
model years
5
vehicle entries
Official summary
Subaru of America, Inc. has initiated a service program for certain 2017?2019 MY Impreza vehicles, and certain 2018?2019 MY Crosstrek vehicles. This service program involves installation of reprogramming files to optimize the ECM.
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.