Ford Bronco 2021–2025 — technical service bulletin
Bulletin SSM 53962 · NHTSA communication 11019701 · issued Jun 20, 2025
Technical service bulletin
communication type
Structure
component
2021–2025
model years
5
vehicle entries
Official summary
Some 2021-2025 Bronco vehicles may exhibit a water leak from the A-pillar, overhead console/upfitter switches and/or sun visors. If a leak is identified from this area, refer to Workshop Manual (WSM), Section 501-18 Pinpoint Test (PPT) G for water leak diagnosis. If the PPT leads to the replacement of the header seal, a revised header seal has been released for service (M2DZ-7803110-H) which contains a thicker consistent bead of butyl across the entire length of the seal. The header seal will need to be firmly depressed and massaged to make sure all of the butyl that is across the entire heade
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.