Ford Bronco 2023–2025 — technical service bulletin
Bulletin SSM 53971 · NHTSA communication 11020041 · issued Jun 25, 2025
Technical service bulletin
communication type
Engine
component
2023–2025
model years
13
vehicle entries
Official summary
Some 2023-2025 Escape vehicles equipped with a 1.5L/2.0L EcoBoost engine, 2023-2025 Corsair vehicles equipped with a 2.0L EcoBoost engine, 2024-2025 Nautilus vehicles equipped with a 2.0L EcoBoost engine, 2024-2025 Mustang vehicles with a 2.3L EcoBoost engine, and 2025 Bronco/Explorer/Ranger vehicles equipped with a 2.3L EcoBoost engine may exhibit an engine misfire condition with diagnostic trouble codes (DTC) P0301, P0302, P0303 and/or P0304 set in the powertrain control module (PCM). This may be due to the spark plugs and/or ignition coils. To correct the condition, refer to Workshop Manual
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.