Ford E-150 1999 — technical service bulletin
Bulletin 996766 · NHTSA communication 608463 · issued Dec 2, 1999
Technical service bulletin
communication type
Unknown OR Other
component
1999
model years
2
vehicle entries
Official summary
Information on vehicles equipped with 5.4l exhibiting a malfunction indicator light (mil) 'on' and diagnostic trouble code (dtc) p1406 which may be cuased by the powertrain control module (pcm) calibration. *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.