P3400 on the 2013 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.
| Service Bulletin | 2018-02-12. Service bulletin. Service bulletin - The MIL comes on with one or more misfire DTC(s) P0301 thru P0304 (Number 1-4 cylinder misfire detected). DTC P3400 (rocker arm oil pressure switch B) and/or P3497 (rocker arm oil pressure switch C) may also be stored. |
|---|---|
| A-13-055 | 2013-09-24. Service bulletin. HONDA: DTCS P0301 THROUGH P0304, P3400, AND/OR P3497 MAY BE SET. MALFUNCTIONED INDICATOR LAMP IS ON FOR CYILINDER MISFIRE DETECTED AND ROCKER ARM. *JS |
2 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.