Ford Bronco Sport 2023–2025 — technical service bulletin
Bulletin 25B33 · NHTSA communication 11023853 · issued Sep 11, 2025
Technical service bulletin
communication type
Engine
component
2023–2025
model years
13
vehicle entries
Official summary
Certain 2023-2025 Model Year Escape and Corsair, 2024-2025 Nautilus, 2025 Bronco Sport and Maverick Vehicles Originally Equipped with an Engine Block Heater System Block Heater Element Installation
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.