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Service bulletin 4626

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id615163
Published by NHTSA2001-01-02
Manufacturer's number4626
Manufacturer's date1998-08-01
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

INFORMATION ON VEHICLES EXHIBITING AND O/D OFF LAMP FLASHING WITH DIAGNOSTIC TROUBLE CODE 62 / 628 / 1728. *TT

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Vehicles listed
FORD BRONCO1990, 1991, 1992, 1993, 1994, 1995, 1996
FORD EXPEDITION1997, 1998
FORD F SUPER DUTY1995, 1996, 1997
FORD F-531995 to 1997
LINCOLN NAVIGATOR1998

Listing a model year does not mean every vehicle of it is concerned: the document says which.