Ford Bronco 2020–2023 — technical service bulletin
Bulletin SSM 53876 · NHTSA communication 11019492 · issued Jun 4, 2025
Technical service bulletin
communication type
Power Train
component
2020–2023
model years
11
vehicle entries
Official summary
Some 2020-2023 Aviator/Explorer and 2021-2023 Bronco vehicles equipped with a 10R60 transmission may exhibit harsh or delayed engagement/shift concerns. Refer to Workshop Manual (WSM), Section 307-01 > Diagnosis and Testing for normal diagnostics. The WSM has been updated with information from previously published articles related to this concern.
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.