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Service bulletin 01-54

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 id10025263
Published by NHTSA2008-07-23
Manufacturer's number01-54
Manufacturer's date2008-03-26
NHTSA componentEQUIPMENT:ELECTRICAL

NHTSA's summary

KENWORTH CLEAN POWER SYSTEM HEATER TEMPERATURE CONTROL. ANY T660 BUILT SINCE 06/25/07, IF EQUIPPED WITH KENWORTH CLEAN POWER SYSTEM. *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

Equipment and accessories

Vehicles listed
KENWORTH T6602007 to 2008

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