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January 9, 2026 Service bulletin

Cbr

Mack technical service bulletin CBR 2408-16 202601 for 2025-2026 Mack Pioneer PR (4).

Bulletin number
CBR 2408-16 202601
Component
Electrical system
Summary
CBR - Air Production Modulator (APM) DTC C10129B - High/Excessive Flow - PR (4).

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