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March 14, 2025 Service bulletin

Flash: Transmission Control Module (TCM) Updates Customers must experience a Malfunction Indicator Lamp...

Jeep technical service bulletin 21-023-25 for 2022 Jeep Gladiator.

Bulletin number
21-023-25
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 21 complaints in the transmission category.

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