Ford Excursion 2002–2004 — technical service bulletin
Bulletin 17784 · NHTSA communication 10008556 · issued May 1, 2004
Technical service bulletin
communication type
Electrical System
component
2002–2004
model years
15
vehicle entries
Official summary
Door ajar light working improperly after vehicle security module replacement. *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.