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Service bulletin SP-13503

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 id10052432
Published by NHTSA2013-07-27
Manufacturer's numberSP-13503
Manufacturer's date2013-05-01
NHTSA componentENGINE

NHTSA's summary

NAVISTAR: EMISSIONS RECALL ON CERTAIN TRUCKS THAT DO NOT MEET EMISSIONS REQUIREMENTS AND NEED INSTALLED AN UPDATED ENGINE CONTROL MODULE (ECM) CALIBRATION TO BRING IT WITHIN SPECIFIED LIMITS OF CERTIFICATION. MODELS 2010-2013 PAYSTAR, PROSTAR, TRANSTAR, WORKSTAR WITH MAXXFORCE 11 ENGINES. *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
INTERNATIONAL PAYSTAR2010 to 2013
INTERNATIONAL PROSTAR2010 to 2013
INTERNATIONAL TRANSTAR2010 to 2013
INTERNATIONAL WORKSTAR2010 to 2013

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