Flash: Transmission Control Module (TCM) Updates Customers must experience a Malfunction Indicator Lamp...
Jeep technical service bulletin 21-018-25 for 2023 Jeep Wrangler.
- Bulletin number
- 21-018-25
- Component
- Power train
- Summary
- "Flash: Transmission Control Module (TCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● P1DB7-00- Torque Converter Clutch Performance. Customers may also experience one or more of the following: ● The check engine light illuminates. ● Overheating of the transmission fluid. REPAIR SUMMARY: This bulletin involves reprogramming the TCM with the latest available software. "
Owners of these vehicles have filed 52 complaints in the transmission category.
Vehicles covered
- Jeep Wrangler 2023 2023
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