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May 29, 2026 Service bulletin

CBR to diagnosis issues with the Proactive Engine Restart system and Hood Open message.

Mack technical service bulletin CBR 2465-6 202605 for 2025-2027 Mack Pioneer PR (4) and 2026-2027 Mack Anthem An (4).

Bulletin number
CBR 2465-6 202605
Component
Engine
Summary
CBR to diagnosis issues with the Proactive Engine Restart system and Hood Open message.

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