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July 9, 2025 Service bulletin

Cbr

Mack technical service bulletin CBR 2408 072025 for 2025 Mack Pioneer PR (4).

Bulletin number
CBR 2408 072025
Component
Service brakes
Summary
CBR - This document provides guidance for addressing the Air Production􀁡Modulator (APM) DTC C10129B fault, "High/Excessive Flow" This fault was introduced by a previous APM software package and requires specific containment actions.

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