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Service bulletin TIB-E-045

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 id10042755
Published by NHTSA2012-01-10
Manufacturer's numberTIB-E-045
Manufacturer's date2011-10-17
NHTSA componentELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

KENWORTH: FOR CERTAIN TRUCKS, THE ENGINE CONTROL UNIT (ECU), IDENTIFIED AS PMCI IN ENGINE RAPIDO, AND AFTERTREATMENT CONTROL UNIT WILL BENEFIT FROM SOFTWARE UPDATES. *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

Electrical system, Software

Vehicles listed
KENWORTH T6602009 to 2011
KENWORTH T7002009 to 2011
KENWORTH T8002009 to 2011
KENWORTH W9002009 to 2011
KENWORTH W900S2010

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