Check a VIN

January 31, 2026 Service bulletin

Cbr

Mack technical service bulletin CBR 2522-5 202601 for 2025-2026 Mack Pioneer PR (4) and 2026 Mack Anthem An (4).

Bulletin number
CBR 2522-5 202601
Component
Engine
Summary
CBR - Frequent Parked Regeneration Requests - Models PR (4), AN (4).

Vehicles covered

VIN decoder

See the problems and recalls for an exact car

Buying a used Mack Pioneer PR (4)?

Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.

Check its history