Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the...
Jeep technical service bulletin 2101021 for 2021 Jeep Wrangler.
- Bulletin number
- 2101021
- 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 on a vehicle with less than 644 km (400 miles) on the odometer: A Malfunction Indicator Lamp (MIL) event or failure withnoDiagnostic Trouble Codes (DTCs) and the vehicle has less than 644 km (400 miles) on the odometer indicates it is likely the vehicle has experienced an unintentional code clear event.Do not use this software update if vehicle odometer has over 644 km (400 miles).
Owners of these vehicles have filed 310 complaints in the electrical category.
Vehicles covered
- Jeep Wrangler 2021 2021
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