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P0455 on the 2016 Honda Pilot

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

Nobody has written a description of this code yet.

Bulletins for this model year that name P0455
ATS1702062018-03-13. Service bulletin. Tech line summary article - If there?s an EVAP system leak from the filler neck (DTC P0455 [EVAP system large leak detected] or P0456 [EVAP system very small leak detected] is set), don?t replace the fuel fill pipe! Instead, replace the mis-fuel inhibit device and the main flap unit. Honda parts stock carries replacement parts just for this purpose.
ATS1702062018-01-29. Service bulletin. Tech line summary article - If there?s an EVAP system leak from the filler neck (DTC P0455 [EVAP system large leak detected] or P0456 [EVAP system very small leak detected] is set), don?t replace the fuel fill pipe! Instead, replace the mis-fuel inhibit device and the main flap unit. Honda parts stock carries replacement parts just for this purpose.
ATS1702062017-07-31. Service bulletin. Tech line summary article - If there's an EVAP system leak from the filler neck (DTC P0455 [EVAP system large leak detected] or P0456 [EVAP system very small leak detected] is set), don't replace the fuel fill pipe! Instead, replace the mis-fuel inhibit device and the main flap unit. Honda parts stock carries replacement parts just for this purpose.
ATS1702062017-06-28. Service bulletin. TECHLINE SUMMARY ARTICLE - IF THERE’S AN EVAP SYSTEM LEAK FROM THE FILLER NECK (DTC P0455 [EVAP SYSTEM LARGE LEAK DETECTED] OR P0456 [EVAP SYSTEM VERY SMALL LEAK DETECTED] IS SET), DON’T REPLACE THE FUEL FILL PIPE! INSTEAD, REPLACE THE MIS-FUEL INHIBIT DEVICE AND THE MAIN FLAP UNIT. HONDA PARTS STOCK CARRIES REPLACEMENT PARTS JUST FOR THIS PURPOSE.

4 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.