Ford F-250 SD 2020–2022 — technical service bulletin
Bulletin SSM 50259 · NHTSA communication 10203852 · issued Nov 5, 2021
Technical service bulletin
communication type
Power Train
component
2020–2022
model years
12
vehicle entries
Official summary
2020-2022 F-Super Duty vehicles equipped with a 10R140 automatic transmission at times may exhibit a normal skip shift upshifting and downshifting strategy. Typical examples are 1-3 or 3-5 upshift or a 6-4 coasting downshift. This is a normal characteristic and no repairs should be attempted for this condition. For more detailed information about the 10R140 skip gear shift strategy refer to the Workshop Manual (WSM), Section 307-01 > Diagnosis and Testing.
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.