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September 29, 2025 Service bulletin

Reductant Injection Valve Control Bank 1 Unit 1

Mack technical service bulletin GDC25-007 092025 for 2025-2026 Mack Pioneer PR (4).

Bulletin number
GDC25-007 092025
Component
Fuel/propulsion system
Summary
Reductant Injection Valve Control Bank 1 Unit 1 - Circuit Open

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