Ford Expedition 1997 — technical service bulletin
Bulletin BC5177961001 · NHTSA communication 50456 · issued Oct 1, 1996
Technical service bulletin
communication type
Power Train
component
1997
model years
1
vehicle entries
Official summary
Information for concerns os speedometer, speed control inop & vss (vehicle speed sensor) dtc's. *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.