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Service bulletin 16336

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 id10013083
Published by NHTSA2005-04-07
Manufacturer's number16336
Manufacturer's date2002-10-01
NHTSA componentSERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE

NHTSA's summary

DIAGNOSTICS FOR DIAGNOSTIC TROUBLE CODE C1991 IN THE ABS (ANTILOCK BRAKE SYSTEM) MODULE - OMITTED FROM WORKSHOP MANUAL - PROCEDURE PROVIDED. *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

Brakes, Anti-lock brakes

Trouble codes named

C1991

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
169752003-11-05. Service bulletin. STABILITY CONTROL (ADVANCETRAC/IVD) DIAGNOSTIC TROUBLE CODE C1998. *TT