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February 16, 2022 Service bulletin

Diagnostic Trouble Code (DTC) P04DB

Mack technical service bulletin KC-492 for 2016 Mack Anthem (An), 2016 Mack Granite (GR) and 2010-2011 Mack CXU612 and others.

Bulletin number
KC-492
Component
Engine and engine cooling: exhaust system: emission control: crankcase (PCV)
Summary
Diagnostic Trouble Code (DTC) P04DB - Crankcase Ventilation Disconnected; US10+OBD13 To US14+OBD16 Emissions

Owners of these vehicles have filed 3 complaints in the engine category.

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