Electronic control units on the VN(4), PR (4) and AN (4) contain information that is critical for vehicle...
Mack technical service bulletin CBR 2497 092025 for 2025-2026 Mack Pioneer PR (4) and 2026 Mack Anthem An (4).
- Bulletin number
- CBR 2497 092025
- Component
- Electrical system
- Summary
- Electronic control units on the VN(4), PR (4) and AN (4) contain information that is critical for vehicle functionality, maintaining vehicle life data, and maintaining vehicle compliance. Because of this, swapping ECUs from truck to truck even for diagnostic purposes may cause functional or compliance complications that may or may not be apparent.
Vehicles covered
- Mack Pioneer PR (4) 2025-2026 20252026
- Mack Anthem An (4) 2026 2026
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