Global Telematics Box Module (TBM) Firmware Over The Air (FOTA) Update From R5R1 To R5T Customers must...
Jeep technical service bulletin 08-193-26 for 2026 Jeep Cherokee and 2026 Jeep Wagoneer S.
- Bulletin number
- 08-193-26
- Component
- Electrical system
- Summary
- Global Telematics Box Module (TBM) Firmware Over The Air (FOTA) Update From R5R1 To R5T 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 TBM software will be updated from R5R1 to R5T software level.
Owners of these vehicles have filed 1 complaints in the electrical category.
Vehicles covered
- Jeep Cherokee 2026 2026
- Jeep Wagoneer S 2026 2026
VIN decoder
See the problems and recalls for an exact car
Buying a used Jeep Cherokee?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history