P0401 on the 2013 Ford F-450
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.
| 21M04 | 2022-05-19. Service bulletin. Certain 2011-2014 Model Year Super Duty Vehicles Equipped with a 6.7L Diesel Engine Exhaust Gas Recirculation Cooler with Diagnostic Trouble Codes P0401 and/or P2457 - In some of the affected vehicles, customers may experience an illuminated malfunction indicator light due to the EGR cooler becoming plugged with hydrocarbon or soot at high mileage. Diagnostic trouble codes (DTC’s) for EGR cooler efficiency below threshold (DTC P0401) and/or insufficient EGR flow at idle (DTC P2457) are stored when the malfunction indicator light is illuminated. |
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| 21M04 | 2022-02-04. Service bulletin. Customer Satisfaction Program 21M04 Certain 2011-2014 Model Year Super Duty Vehicles Equipped with a 6.7L Diesel Engine Exhaust Gas Recirculation Cooler with Diagnostic Trouble Codes P0401 and/or P2457 |
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.