Ford F-250 SD 2011–2014 — technical service bulletin
Bulletin 21M04 · NHTSA communication 10206863 · issued Jan 14, 2022
Technical service bulletin
communication type
Engine and Engine Cooling
component
2011–2014
model years
16
vehicle entries
Official summary
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
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.