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Service bulletin 17723

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 id10008226
Published by NHTSA2004-07-24
Manufacturer's number17723
Manufacturer's date2004-04-01
NHTSA componentEXTERIOR LIGHTING:HEADLIGHTS

NHTSA's summary

HIGH INTENSITY DISCHARGE (HID) HEADLAMPS INOPERATIVE IN AUTOLAMP MODE. *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.

Components

Lighting, Headlights

Vehicles listed
LINCOLN NAVIGATOR2003, 2004

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

Other bulletins for the same vehicles and component
07492007-04-27. Service bulletin. HIGH INTENSITY DISCHARGE (HID) HEADLAMPS. *KB
06522006-07-26. Service bulletin. HIGH INTENSITY DISCHARGE (HID) - SERVICE FIX. *TT
417112005-04-08. Service bulletin. HIGH INTENSITY DISCHARGE (HID) HEADLAMPS LEFT HEADLAMP INTERMITTENT OPERATION FLICKER. *EH
175142004-06-14. Service bulletin. HID HEADLAMPS INOPERATIVE IN AUTOLAMP MODE. *TT
031932003-11-15. Service bulletin. EXCESSIVE MOISTURE IN THE HEADLAMP ASSEMBLY. *TT