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Service bulletin TIB-090

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 id10056311
Published by NHTSA2014-10-28
Manufacturer's numberTIB-090
Manufacturer's date2014-06-30
NHTSA componentENGINE

NHTSA's summary

KENWORTH: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ON SOME TRUCKS, THE LOGIC WAS REVERSED FOR PEB ENABLED/DISABLED, RESULTING IN TRUCKS BEING NON FUNCTIONAL WHEN PEB IS REQUIRED. *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
KENWORTH KENWORTH

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