Ford F-250 SD 2020–2022 — technical service bulletin
Bulletin SSM 50673 · NHTSA communication 10210247 · issued Apr 11, 2022
Technical service bulletin
communication type
Engine and Engine Cooling
component
2020–2022
model years
12
vehicle entries
Official summary
Some 2020-2022 F-Super Duty vehicles equipped with a 6.7L engine may exhibit a cooling fan with excessive noise or stays on continuously. The Workshop Manual (WSM), Section 303-03 Engine Cooling > Diagnosis and Testing > Cooling Fan Control, pinpoint test (PPT) AH for 2021-2022 and Powertrain Control/Emissions Diagnosis (PC/ED) Manual PPT AH for 2020 have been updated to improve diagnostics and reduce unnecessary cooling fan clutch replacements.
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.