Bulletins


BulletinBulletin dateReplacement BulletinItem no.SummaryAdded
(PWS)
SB-45-04509/11/201210049801Kenworth: see document search button for owner letter. on certain trucks, with cng fueled engine, and with engine brake, programming failed to efficiently coordinate abs deployment and not get uploaded on chassis. model 2011 t660.01/18/2013
TIB-26-02311/06/201210048500Kenworth: see document search button for owner letter. transmission does not automatically upshift when high idle speed of engine is exceeded due to lack of proper calibration of transmission for-engine. models 2010-2012 t660, t700 and t12/19/2012
TIB-E-05605/17/201210044285Kenworth (paccar): engine software update required for installation of hc doser shields and/or egr cleaning for chassis. *pe06/05/2012