Ford Expedition 1997–1998 — technical service bulletin
Bulletin 9858 · NHTSA communication 601298 · issued Mar 16, 1998
Technical service bulletin
communication type
Unknown OR Other
component
1997–1998
model years
7
vehicle entries
Official summary
The malfunction indicator lamp (mil) may illuminate and diagnostic trouble code (dtc) p0503 may be stored in memory. *yc
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.