Honda Fit 2015–2020 — technical service bulletin
Bulletin A21-007 · NHTSA communication 10208197 · issued Feb 18, 2022
Technical service bulletin
communication type
Power Train
component
2015–2020
model years
6
vehicle entries
Official summary
Service Bulletin - The MIL comes on with DTC P0300 (random misfire detected) or P0301-P0304 (cylinder misfire detected).
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.