P0620 on the 2003 Ford Expedition
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.
| 04149 | 2004-09-23. Service bulletin. DIAGNOSTIC TROUBLE CODE (DTC) P0320 WITH POSSIBLE DRIVEABILITY CONCERNS AND/OR CHARGING SYSTEM WARNING INDICATOR ON WITH POSSIBLE DTC P0620. *TT |
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| 17738 | 2004-07-24. Service bulletin. CHARGING SYSTEM WARNING INDICATOR INTERMITTENTLY ON WITH POSSIBLE DIAGNOSTIC TROUBLE CODE (DTC) P0620. *TT |
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.