May 11, 2025 Service bulletin

"Global Telematics Box Module (TBM) Firmware Over The Air (FOTA) Update 2023

Jeep technical service bulletin 08-155-25 for 2023-2025 Jeep Wrangler and 2023-2025 Jeep Gladiator.

Bulletin number: 08-155-25
Component: Electrical system
Summary: "Global Telematics Box Module (TBM) Firmware Over The Air (FOTA) Update 2023 - 2025 (JL) Jeep Wrangler 2023 - 2025 (JT) Jeep Gladiator This bulletin applies to vehicles built on or before May 05, 2025 (MDH 0505XX) equipped with Global Telematics Box Module (TBM) (Sales Code RDG). This bulletin provides information regarding the latest Firmware Over The Air (FOTA) update and provides the service technician an overview of the steps a customer will need to take to complete the update. The TBM software will be updated from 5.15, 5.41 or 5.43 to 5.53 software level"

Owners of these vehicles have filed 695 complaints in the electrical category.

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