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March 14, 2023 Service bulletin

Engine Control Module (EMS) Software Information

Mack technical service bulletin KC-2128 for 2021 Mack Anthem (An), 2021 Mack Granite (GR) and 2021 Mack LR and others.

Bulletin number
KC-2128
Component
Engine and engine cooling: exhaust system: emission control
Summary
Engine Control Module (EMS) Software Information - Improvement List (Change Log), March 2023 – US21+OBD2021 Emissions ONLY

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