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September 1, 2026 Service bulletin

Jumper Harness Repair for Version 4 Mack Trucks

Mack technical service bulletin TSB M-371-005A 202609 for 2025-2027 Mack Pioneer PR (4), 2026-2027 Mack Anthem An (4) and 2026-2027 Mack Granite GR (4).

Bulletin number
TSB M-371-005A 202609
Component
Electrical system
Summary
Jumper Harness Repair for Version 4 Mack Trucks

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