Ford Expedition 1999 — technical service bulletin
Bulletin 9805014 · NHTSA communication 613034 · issued Nov 1, 1998
Technical service bulletin
communication type
Unknown OR Other
component
1999
model years
4
vehicle entries
Official summary
Exhibiting a check engine light on and possible diagnostic trouble codes p0715, p0716, p0717, p0718, p1901 (turbine shaft speed - tss codes) or p0720, p0721, p0722, p1900 (output shaft speed - oss codes). *tt
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.