Flash: Telematics Box Module (TBM) Updates
Jeep technical service bulletin 08-174-21 for 2021 Jeep Grand Cherokee.
- Bulletin number
- 08-174-21
- 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: 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
- Jeep Grand Cherokee 2021 2021
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