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July 1, 2012 Service bulletin

Mack trucks: four way flasher ABS fault

Mack technical service bulletin FSB-372-011 for 2006-2011 Mack Gu, 2006-2010 Mack Cxu and 2012-2013 Mack Granite (Gu) and others.

Bulletin number
FSB-372-011
Component
Exterior lighting: brake lights
Summary
Mack trucks: four way flasher ABS fault. Certain vehicles equipped with a webb solid state flasher, built from jan. 1, 2010 to june 29, 2012 may experience an active ABS fault when the 4 way flasher is enabled. Js

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