Mazda MAZDA3 2015–2016 — technical service bulletin
Bulletin Mil · NHTSA communication 10213447 · issued Mar 16, 2021
Technical service bulletin
communication type
Fuel System, Gasoline
component
2015–2016
model years
2
vehicle entries
Official summary
MIL ON WITH DTC PO451 AND/OR PO12A Some customer s may complain about a MIL ON with DTC P0451 (Fuel tank pressure sensorL sensor characteristic malfunction) and/or P013A (HO2S: Slow response (during transition from rich to lean)) Recall 8615J repair procedure may correct this concern
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.