Ford F-150 2018–2020 — technical service bulletin
Bulletin SSM 48899 · NHTSA communication 10176947 · issued Jun 16, 2020
Technical service bulletin
communication type
Equipment Adaptive/mobility
component
2018–2020
model years
15
vehicle entries
Official summary
Some 2018-2020 F-150 and F-Super Duty vehicles equipped with tailgate step assemblies may exhibit a step assembly that binds/will not open or opens/pops up while driving. This could be due to an incorrect adjustment of the step assembly. Before replacing any components for this concern, follow the Tailgate Step Adjustment procedure in Workshop Manual, Section 501-04, General Procedures.
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.