Ford F-250 2009–2010 — technical service bulletin
Bulletin SB-21066 · NHTSA communication 10033139 · issued Oct 1, 2009
Technical service bulletin
communication type
Engine and Engine Cooling
component
2009–2010
model years
12
vehicle entries
Official summary
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
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.