Ford F-250 SD 1999 — technical service bulletin
Bulletin 5252 · NHTSA communication 615369 · issued Dec 1, 1998
Technical service bulletin
communication type
Power Train
component
1999
model years
2
vehicle entries
Official summary
Information on vehicles with electronic shift on the fly (esof) exhibiting 4x4 lights on , 4x4 inoperative and / or multiple gem codes. *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.