Check a VIN

June 12, 2026 Service bulletin

Contact Workshop; Communication Lost With Ultracapacitor Message With Associated CCIOM DTC U100687 And A...

Mack technical service bulletin CBR-2568-5 202606 for 2025-2027 Mack Pioneer PR (4) and 2026-2027 Mack Anthem An (4).

Bulletin number
CBR-2568-5 202606
Component
Electrical system
Summary
Contact Workshop; Communication Lost With Ultracapacitor Message With Associated CCIOM DTC U100687 And A Startability Issue.

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