Subaru Crosstrek 2017–2021 — technical service bulletin
Bulletin 09-81-21 · NHTSA communication 10201811 · issued Sep 24, 2021
Technical service bulletin
communication type
Electrical System
component
2017–2021
model years
9
vehicle entries
Official summary
This bulletin announces design changes made to the fuel injector assembly in response to misfire DTC P030x, engine knocking, and/or DTCs P219C-D-E-F.
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.