Ford F-150 Hybrid 2021–2023 — technical service bulletin
Bulletin 25M04 · NHTSA communication 11026926 · issued Dec 18, 2025
Technical service bulletin
communication type
Fuel/propulsion System
component
2021–2023
model years
3
vehicle entries
Official summary
Certain 2021-2023 Model Year F-150 HEV Vehicles Replacement of Exhaust Gas Heat Exchanger Coolant Spigot, If Required
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.