Ford Econoline 1999 — technical service bulletin
Bulletin 5141 · NHTSA communication 615334 · issued Dec 1, 1998
Technical service bulletin
communication type
Power Train
component
1999
model years
6
vehicle entries
Official summary
Some vehicles with 4r100 transmission may exhibit a flashing tcil with diagnostic trouble code (dtc) 1728 in memory.dtc 1728 is defined as internal transmission element slippage. This splippage can occur anywhere in the transmission including the torque converter.*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.