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P0404 on the 2012 Honda Odyssey

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 P0404
A13-0952017-05-18. Service bulletin. SERVICE BULLETIN - THE MIL COMES ON WITH DTC P0404 (EGR VALVE CIRCUIT RANGE/PERFORMANCE PROBLEM) RESULTING FROM EXTENDED DRIVING, THE PCM MAY COMMAND EXCESSIVELY HIGH LIFT EGR VALUES THAT MAY DAMAGE AN INTERNAL COMPONENT IN THE EGR VALVE.

1 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.