April 24, 2026 Service bulletin

Global Telematics Box Module (TBM) Firmware Over The Air (FOTA) Update From R5N3 R5R1 R5N To 5T1 Customers...

Dodge technical service bulletin 08-177-26 for 2026 Dodge Charger.

Bulletin number: 08-177-26
Component: Electrical system
Summary: Global Telematics Box Module (TBM) Firmware Over The Air (FOTA) Update From R5N3 R5R1 R5N To 5T1 Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● B1560-11 - Cellular Antenna 1-Circuit Short To Ground. ● B1560-13 - Cellular Antenna 1-Circuit Open. ● B1561-11 - Cellular Antenna 2 Short To Ground. ● B1561-13 - Cellular Antenna 2-Circuit Open. ● B1562-14 - GPS Antenna-Circuit Short To Ground Or Open. ● B22A9-96 - ECU Internal Performance - Component Internal Failure. Customers may also experience the following: ● "Uconnect Box Requires Service" Message on the display screen. 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 following TBM software levels will be updated: ● From R5N3 to R5T1 ● From R5R1 to R5T1 ● From R5N to R5T1

Owners of these vehicles have filed 1 complaints in the electrical category.

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