Ford Expedition 1997 — technical service bulletin
Bulletin 97620 · NHTSA communication 52002 · issued Mar 17, 1997
Technical service bulletin
communication type
Electrical System
component
1997
model years
1
vehicle entries
Official summary
Malfunction indicator lamp (mil) - illuminated- diagnostic trouble code (dtc) p0446 stored in continuous memory- vehicles built through 1/17/97. *jd
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.