Flash: Transmission Control Module (TCM) Updates
Fiat technical service bulletin 21-033-21 for 2021 Fiat 500X.
- Bulletin number
- 21-033-21
- 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 shift quality issue:1?2 upshift lag/delay when accelerating from a stop.
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