# B1560 on the 2026 Ram 4500

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

This code is specific to a manufacturer and is not described here.

## Bulletins for this model year that name B1560

- [11031321](https://open.wenmarpro.com/bulletins/11031321), 2026-04-15: Global Telematics Box Module \(TBM\) Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes \(DTCs\): ? B1560 \- 11 Cellular Antenna 1 \- short to
- [11029666](https://open.wenmarpro.com/bulletins/11029666), 2026-03-05: Flash: Telematics Box Module Updates Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes \(DTCs\): ● B1560 \- 11 Cellular Antenna 1 \- short to ground. ● B1561 \- 11 Cellular Antenna 2 \- short to ground. ● B1562 \- 14 GPS Antenna short to ground or open. ● B22A9 \- 96 ECU internal performance\-component internal failure. Customers may also experience the following: ● "Uconnect Box Required Service" Message in Radio Display. This bulletin involves reprogramming the TBM with the latest available software.
- [11025512](https://open.wenmarpro.com/bulletins/11025512), 2025-11-13: Intermittent Uconnect Box Requires Service Message. TBM Setting Stored Or Pending DTCs B22A9, B1560, B1561, B1562
- [11023182](https://open.wenmarpro.com/bulletins/11023182), 2025-09-17: Global Telematics Box Module Over The Air Update from R5N \& R5R1 to R5T TBM2.H Software Version \(FOTA\) Customers may experience one or more of the following: \- Error display of "Uconnect Box Requires Service/Wifi Unavailable" popups; \[ TBM DTC B22A9\-96 Internal Performance Failure \]. \- Error display of "Uconnect Box Requires Service" popups; \[ TBM DTCs B1560, B1561, B1562 \- Antenna loose connection \]. \- TBM sleep mode not working causing battery drain in some cases. This bulletin applies to vehicles equipped with a Global Telematics Box Module \(TBM\) \(Sales Code RDG\)