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October 20, 2020 Service bulletin

Revised Technical Service Letter for Detroit DT12 TCM GHG17 Only; Bootloader Update

Freightliner technical service bulletin 17TS-05REV2 for 2017-2021 Freightliner Cascadia, 2017-2021 Freightliner Business Class M2 and 2017-2021 Western Star 4900 and others.

Bulletin number
17TS-05REV2
Component
Power train
Summary
Revised Technical Service Letter for Detroit DT12 TCM GHG17 Only; Bootloader Update. On Detroit DT12 equipped vehicles, it may be necessary to complete an additional step in the programming process when updating the TCM software.

Owners of these vehicles have filed 1 complaints in the transmission category.

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