Ford F-53 2020–2022 — technical service bulletin
Bulletin CSA-001 · NHTSA communication 10199927 · issued Aug 4, 2021
Technical service bulletin
communication type
Power Train
component
2020–2022
model years
4
vehicle entries
Official summary
Customer Service Advisory for Ford Recall (21S17) regarding Low Oil Volume Rear Axle
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.