Flash: Transmission Control Module (TCM) Updates
Jeep technical service bulletin 21-047-19 for 2019 Jeep Grand Cherokee.
- Bulletin number
- 21-047-19
- Component
- Electrical system
- Summary
- Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. The customer may describe the following: A harsh shift on coast down 3-2 or 2-1.
Owners of these vehicles have filed 84 complaints in the electrical category.
Vehicles covered
- Jeep Grand Cherokee 2019 2019
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