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Service bulletin AFC-12949

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 id10051644
Published by NHTSA2013-03-26
Manufacturer's numberAFC-12949
Manufacturer's date2013-01-01
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:DIESEL; ENGINE

NHTSA's summary

NAVISTAR: THE RECALIBRATION OF ENGINE ELECTRONIC CONTROL MODULE (ECM) IS REQUIRED TO BE UPDATED, WITH LATEST SOFTWARE, TO PREVENT POSSIBLE DOWNTIME OF TRUCKS, DUE TO DIESEL PARTICULATE FILTER (DPF) OVERLOAD. MODELS 2011-2012 WORKSTAR, DURASTAR, CE C BUS, CE S BUS, HC C BUS, RE C BUS, RE S BUS, 1300 FBC. *PE

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

Engine

Vehicles listed
IC BUS CE2011 to 2012
IC BUS CE-C2012
IC BUS ICCB2011 to 2012
IC BUS RE2012
IC BUS RECB2011
INTERNATIONAL 1300FBC2011 to 2012
INTERNATIONAL DURASTAR2011 to 2012
INTERNATIONAL WORKSTAR2011 to 2012

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