Ford F Super Duty 1999 — technical service bulletin
Bulletin 996768 · NHTSA communication 608464 · issued Aug 1, 1999
Technical service bulletin
communication type
Electrical System
component
1999
model years
2
vehicle entries
Official summary
Information on vehicles built from 2/22/99 through 7/3/99 equipped with dual rear wheels (drw) exhibiting erratic automatic transmission shifting, erratic speedometer operation and check engine light 'on' and diagnostic trouble code p0500 stored in memory. *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.