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Service bulletin 15770

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 id637462
Published by NHTSA2002-11-26
Manufacturer's number15770
Manufacturer's date2002-04-01
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

SOME 1997 THROUGH 2002 VEHICLES MAY EXHIBIT VARIOUS UNUSUAL ELECTRICAL CONDITIONS, SUCH AS FRONT OR REAR BLOWER OR EATC STAYING ON WITH KEY OUT OF THE IGNITION, RADIO STAYING ON AFTER DOORS OPENED AND KEY OUT OF IGNITION, WIPER CIRCUIT FAILURE CODES, AND MULTIPLE SYSTEM WARNING LIGHTS WITH SHORT TO POWER OR LOW BATTERY VOLTAGE DIAGNOSTIC TROUBLE CODES. *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

Electrical system

Vehicles listed
FORD EXPEDITION
LINCOLN NAVIGATOR

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