Ford F-350 2002 — technical service bulletin
Bulletin 15221 · NHTSA communication 625767 · issued Sep 1, 2001
Technical service bulletin
communication type
Electrical System
component
2002
model years
1
vehicle entries
Official summary
Some vehicles equipped with 5.4l gas engine may exhibit a diagnostic trouble code b1345 retrieved during self test from the to hec module (instrument panel). *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.