Flash: Transmission Control Module (TCM) Updates
Jeep technical service bulletin 2102622 for 2020 Jeep Grand Cherokee.
- Bulletin number
- 2102622
- Component
- Power train: automatic transmission: control module: software
- Summary
- Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. The customer may notice the following condition:Poor coast down quality (bump/clunk) at approximately 16-32 kph (10-20 mph) range in manual mode.
Owners of these vehicles have filed 39 complaints in the transmission category.
Vehicles covered
- Jeep Grand Cherokee 2020 2020
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