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February 22, 2020 Service bulletin

Flash: Transmission Control Module (TCM) Updates

Jeep technical service bulletin 21-012-20 for 2020 Jeep Renegade.

Bulletin number
21-012-20
Component
Electrical system
Summary
Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Customers may experience the following:Erratic or inconsistent shifting. Software enhancements include:Improved shift enhancements due to PCM improvements.

Owners of these vehicles have filed 14 complaints in the electrical category.

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