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January 26, 2022 Service bulletin

Gen 5 Customer Demo Unit (CDU) and Pre-Series Unit Retrofits

Freightliner technical service bulletin D21M6REV1 for 2021 Freightliner Cascadia.

Bulletin number
D21M6REV1
Component
Engine and engine cooling
Summary
Gen 5 Customer Demo Unit (CDU) and Pre-Series Unit Retrofits. Specific 2021 Freightliner New Cascadia model vehicles, powered with DETROIT Gen 5 DD15 Engines manufactured February 3, 2020, through December 14, 2020

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

Vehicles covered

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