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August 10, 2026 Service bulletin

Mack Trucks Equipped With A Cummins Engine

Mack technical service bulletin CBR 159 202608 for 2018-2027 Mack Anthem (An), 2019-2027 Mack Granite (GR) and 2018 Mack Cxu and others.

Bulletin number
CBR 159 202608
Component
Electrical system
Summary
Mack 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 2018Instrument Cluster Update, Model Year2018 And Newer

Owners of these vehicles have filed 2 complaints in the electrical category.

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