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Service bulletin 17001

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 id10003857
Published by NHTSA2003-11-05
Manufacturer's number17001
Manufacturer's date2003-07-01
NHTSA componentSTEERING

NHTSA's summary

ADVANCETRAC MALFUNCTION INDICATOR LAMP ON WITH DIAGNOSTIC TROUBLE CODE C1277 (STEERING WHEEL ANGLE 1 AN 2 CIRCUIT FAILURE) OR C1278 (STEERING WHEEL ANGLE 1 AND 2 SIGNAL FAULTED) IN THE IVD MODULE. *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

Steering

Trouble codes named

C1277, C1278

Vehicles listed
FORD EXPEDITION2003
LINCOLN NAVIGATOR2003

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
0312072005-12-07. Service bulletin. STEERING WHEEL AT 65 MPH (105 KM/H) OR HIGHER. *TT
162362004-08-09. Service bulletin. STEERING WHEEL DISCOLORATION UNDER INVESTIGATION - CONTACT REQUEST. *MJ
166062003-09-04. Service bulletin. POWER STEERING RETURN HOSE LEAK. *TT
160922002-11-05. Service bulletin. SOME VEHICLES MAY EXHIBIT POWER STEERING NOISE / VIBRATION FROM THE AREA OF THE POWER STEERING PUMP ACCOMPANIED BY BLUID LEAKAGE FROM THE POWER STEERING RESERVOIR CAP. *TT