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Service bulletin E134

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 id10076120
Published by NHTSA2016-07-07
Manufacturer's numberE134
Manufacturer's date2015-11-05
NHTSA componentELECTRICAL SYSTEM:SOFTWARE; ENGINE

NHTSA's summary

Programming Engine and Aftertreatment Software with DAVIE4 Vehicle requiring engine or aftertreatment software updated using DAVIE4 All MX engine or aftertreatment software files must to be processed through PACCAR Engine Pro (PEP) prior to programming with DAVIE4.

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, Engine, Software

Vehicles listed
KENWORTH KENWORTH

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