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Service bulletin AFC-11925

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 id10043128
Published by NHTSA2012-02-25
Manufacturer's numberAFC-11925
Manufacturer's date2011-12-01
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

NHTSA's summary

NAVISTAR: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. RECALIBRATION OF ENGINE ECM FOR CERTAIN TRUCKS ARE REQUIRE FOR PREVENTION OF A DROP IN ENGINE POWER DURING EXHAUST REGENERATION CYCLE. MODELS 1300, DURASTAR, WORKSTAR, CE BUS, HC BUS, RE BUS. *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, Exhaust and emissions

Vehicles listed
IC BUS CE2011
IC BUS HCCB2010
IC BUS ICCB2011
IC BUS RECB2011
INTERNATIONAL 13002010 to 2011
INTERNATIONAL DURASTAR2010 to 2011
INTERNATIONAL WORKSTAR2010 to 2011

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