Honda Fit 2015–2020 — technical service bulletin
Bulletin APTD05242021 · NHTSA communication 10195024 · issued May 24, 2021
Technical service bulletin
communication type
Engine and Engine Cooling
component
2015–2020
model years
6
vehicle entries
Official summary
Dealer Message - Released on April 30th, service bulletin 21-007 addresses random or single-cylinder misfire concerns on 2015-2020 Fit models. Part of the corrective action involves cleaning the intake ports of any carbon buildup using a media blaster (carbon cleaning tool).
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.