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Service bulletin TIB-E061

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 id10048419
Published by NHTSA2012-12-19
Manufacturer's numberTIB-E061
Manufacturer's date2012-11-09
NHTSA componentELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

KENWORTH: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. SPECIFIC PRODUCT IMPROVEMENT ELEMENTS ARE DESCRIBED IN BULLETIN FOR CHASSIS BENEFITING FROM ENGINE SOFTWARE UPDATES. MODELS 2010-2012 T660, T700, T800, W900. *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 T6602010 to 2012
KENWORTH T7002010 to 2012
KENWORTH T8002010 to 2012
KENWORTH W9002010 to 2012

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