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November 4, 2021 Service bulletin

Trucks Equipped With A Cummins Engine

Mack technical service bulletin KC-159 for 2018-2022 Mack Anthem (An), 2018-2022 Mack Granite (GR) and 2018 Mack Gu and others.

Bulletin number
KC-159
Component
Engine and engine cooling
Summary
Trucks Equipped With A Cummins Engine - Engine Preheat Icon Does Not Illuminate In The Instrument Cluster (IC) During Engine Pre-heat (Intake Air Heater) Operation - Vehicles With 2018 Instrument Cluster Update, Model Year 2018 And Newer

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