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April 22, 2024 Service bulletin

CBR: Equipped With An Automated Manual Transmission Model D or F ( AMT-D, AMT-F, mDrive) Missing X1 Value...

Mack technical service bulletin CBR-1008 202404 for 2016-2025 Mack Anthem (An), 2015-2025 Mack Granite (GR) and 2014-2018 Mack Gu and others.

Bulletin number
CBR-1008 202404
Component
Power train
Summary
CBR: Equipped With An Automated Manual Transmission Model D or F ( AMT-D, AMT-F, mDrive) Missing X1 Value In VDA And Default Settings Guidelines, ParameterP1AOB; Fault Code P1052-54, Error 40,Or Error 18 Encountered During Clutch Or Tran.

Owners of these vehicles have filed 13 complaints in the transmission category.

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