Ford Explorer Sport 2002 — technical service bulletin
Bulletin 15863 · NHTSA communication 637719 · issued May 1, 2002
Technical service bulletin
communication type
Equipment
component
2002
model years
3
vehicle entries
Official summary
Subject regarding a whine noise condition from the speakers when using the radio or the cd with the pioneer tremore / pioneer ultimate 450 watt audio system. *tt
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.