Ford F-250 SD 2008 — technical service bulletin
Bulletin 19704 · NHTSA communication 10022238 · issued Apr 1, 2007
Technical service bulletin
communication type
Electrical System
component
2008
model years
6
vehicle entries
Official summary
Wiring fault on trailer, displayed in message center with dtc c2806. *kb
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.