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October 20, 2021 Service bulletin

Automated Manual Transmission ( AMT ) ( I-Shift, mDRIVE ) Equipped Chassis, OBD13 And Newer

Mack technical service bulletin KC-115 for 2016-2022 Mack Anthem (An), 2016-2022 Mack Granite (GR) and 2013-2018 Mack Gu and others.

Bulletin number
KC-115
Component
Power train: automatic transmission: internal: gears
Summary
Automated Manual Transmission ( AMT ) ( I-Shift, mDRIVE ) Equipped Chassis, OBD13 And Newer - Light Turbo Surge ( Chuff ) During Skip Shifting

Owners of these vehicles have filed 10 complaints in the transmission category.

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