Ford Bronco 2021–2022 — technical service bulletin
Bulletin SSM 50670 · NHTSA communication 10210243 · issued Apr 11, 2022
Technical service bulletin
communication type
Electrical System
component
2021–2022
model years
5
vehicle entries
Official summary
Some 2021-2022 Ranger/Bronco vehicles equipped with a 2.3L EcoBoost engine built on or after 14-Dec-2021 and 2022 Explorer vehicles equipped with a 2.3L EcoBoost engine and built on or after 14-Dec-2021, may exhibit a lack of power with an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P25B4 stored in the powertrain control module (PCM). To correct the condition, clear the DTC and road test the vehicle under load until the vehicle reaches operating temperature. If the DTC repeats, the turbocharger will need to be replaced. For claiming use causal part 6K682 and
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.