U0284 on the 2021 Ford Bronco Sport
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
Nobody has written a description of this code yet.
| SSM 49976 | 2021-08-02. Service bulletin. Some 2021 Bronco Sport equipped with a 1.5L EcoBoost engine built on or before 26-Jan-2021 may exhibit a Check Charging System message and/or illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTC) U012D, U0284 and/or U042E. This may be caused by water intrusion into connector C202. Prior to performing Workshop Manual (WSM) diagnostics, inspect the C202 connector for signs of corrosion or water residue. If water or corrosion is found, replace the C202 male side connector with pigtail kit (service part number 7U2Z-14S411-KB). To have access to C202 connector, remove the left front wheel splash shield and powertrain control module (PCM) bracket. |
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| SSM 49496 | 2021-02-04. Service bulletin. Some 2021 Bronco Sport equipped with a 1.5L EcoBoost engine may exhibit a Check Charging System message and/or illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) U012D, U0284,and/or U042E. This may be caused by water intrusion into connector C202. Prior to performing Workshop Manual (WSM) diagnostics, inspect the C202 connector for signs of corrosion or water residue. If water or corrosion is found, replace the C202 male side connector with pigtail kit (service part number 7U2Z-14S411-KB). To have access to C202 connector remove left front wheel, splash shield and powertrain control module (PCM) bracket. |
2 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.