Detroit Field Service Campaign for GHG21 Detroit DD16® CPC Software Reprogramming
Western Star technical service bulletin D21M7 for 2021-2022 Western Star 49X.
- Bulletin number
- D21M7
- Component
- Engine and engine cooling
- Summary
- Detroit Field Service Campaign for GHG21 Detroit DD16® CPC Software Reprogramming. All the vehicles in the population require programming the CPC. Some vehicles require programming the ACM, MCM, and TCM (if equipped with a Detroit DT12 transmission) to Model Year 2021 for compatibility. Please refer to the attached work instructions for MINIMUM software versions.
Owners of these vehicles have filed 1 complaints in the engine category.
Vehicles covered
- Western Star 49X 2021-2022 20212022
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