Ford F-250 SD 2003–2005 — technical service bulletin
Bulletin 0557 · NHTSA communication 10014688 · issued Mar 21, 2005
Technical service bulletin
communication type
Electrical System
component
2003–2005
model years
9
vehicle entries
Official summary
Low battery voltage - snow plow equipped vehicles - 6.0l diesel with single generator. *tt
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.