P0404 on the 2009 Ford F-350
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.
| SB-21066 | 2010-07-14. Service bulletin. FORD TRUCKS: ON SOME TRUCKS EQUIPPED WITH A 6.4L DIESEL ENGINE, WITH LESS THAN 5000 MILES, MAY EXHIBIT DIAGNOSTIC TROUBLE CODES P0404 AND/OR P1335. THIS MAY BE DUE TO WELD SLAG/DEBRIS, FROM TURBO UP-PIPE MANUFACTURING PROCESS, BEING STUCK IN THE EGR VALVE AND PREVENTING IT FROM SEATING PROPERLY. MODELS F SUPER DUTY-F250-F550. *PE |
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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.