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February 1, 2014 Service bulletin

Mack trucks: information available regarding the enhancements for engine control module (ECM) software...

Mack technical service bulletin PI-0837 for 2013 Mack Granite (Gu), 2013 Mack Pinnacle (Cxu) and 2013 Mack Mru and others.

Bulletin number
PI-0837
Component
Engine
Summary
Mack trucks: information available regarding the enhancements for engine control module (ECM) software updates to address cold start time delay, improved soot level and piston cooling jet (pcj) diagnostic fault. Model 2013 chu, cxu, gu, leu, mru, td.

Owners of these vehicles have filed 1 complaints in the engine category.

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