Ford Explorer 2002 — technical service bulletin
Bulletin 14741 · NHTSA communication 620486 · issued Jan 1, 2000
Technical service bulletin
communication type
Unknown OR Other
component
2002
model years
2
vehicle entries
Official summary
Malfunction indicator lamp on with diagnostic trouble code p1633 and / or p1639 with no driveability concern present. *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.