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November 30, 2021 Service bulletin

Flash: Telematics Box Module (TBM) Updates

Jeep technical service bulletin 08-174-21 REV. A for 2021 Jeep Grand Cherokee.

Bulletin number
08-174-21 REV. A
Component
Electrical system
Summary
Flash: Telematics Box Module (TBM) Updates This bulletin involves reprogramming the TBM with the latest software available. The customer may describe the following: Remote operation inoperative. Wi-Fi unavailable. Issues logging in and enabling Wi-Fi. SOS calls unavailable.

Owners of these vehicles have filed 115 complaints in the electrical category.

Vehicles covered

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