Flash: Transmission Control Module (TCM) Updates
Jeep technical service bulletin 21-029-19 for 2019 Jeep Cherokee.
- Bulletin number
- 21-029-19
- Component
- Power train
- Summary
- Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. The customer may describe the following:Poor 1-2 or 2-3 upshifting.
Owners of these vehicles have filed 840 complaints in the transmission category.
Vehicles covered
- Jeep Cherokee 2019 2019
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