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Service bulletin SB-E-072

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 id10052726
Published by NHTSA2013-09-10
Manufacturer's numberSB-E-072
Manufacturer's date2013-08-02
NHTSA componentELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

KENWORTH: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. INFORMATION INVOLVING A CHASSIS SOFTWARE UPDATE. BUILT BETWEEN 1/1/2013 AND 7/26/2013 OPERATED BY PACCAR MX-13 EPA2013 ENGINES. *JS

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 KENWORTH

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