Detroit Field Service Campaign for DT12 Gear Grind During Downshift Software Update.
Freightliner technical service bulletin D21M3 for 2018-2021 Freightliner Cascadia, 2018-2021 Western Star 4700 and 2018-2021 Western Star 5700 and others.
- Bulletin number
- D21M3
- Component
- Power train
- Summary
- Detroit Field Service Campaign for DT12 Gear Grind During Downshift Software Update.
Vehicles covered
- Freightliner Cascadia 2018-2021 2018201920202021
- Western Star 4700 2018-2021 2018201920202021
- Western Star 5700 2018-2021 2018201920202021
- Western Star 49X 2021 2021
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