# B2206 on the 2022 Ram 2500

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 B2206

- [11026669](https://open.wenmarpro.com/bulletins/11026669), 2025-12-17: Telematics Box Module \(TBM\) Software Updating from 5.39 to 5.65 \*Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code \(DTC\): ● B2206\-00 \- Current VIN Missing / Mismatch.\*\* Customers may experience the following: ● \*\*SOS Unavailable message pops up on radio during a remote start event due to TBM DTC B2206\-00. This bulletin involves reprogramming the TBM with the latest available software.Telematics Box Module \(TBM\) Software Updating from 5.39 to 5.65 \*Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code \(DTC\): ● B2206\-00 \- Current VIN Missing / Mismatch.\*\* Customers may experience the following: ● \*\*SOS Unavailable message pops up on radio during a remote start event due to TBM DTC B2206\-00. This bulletin involves reprogramming the TBM with the latest available software.
- [11026666](https://open.wenmarpro.com/bulletins/11026666), 2025-12-17: Telematics Box Module \(TBM\) Firmware Over The Air \(FOTA\) Software Updating from 5.39 to 5.65 \*Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code \(DTC\): ● B2206\-00 \- Current VIN Missing / Mismatch.\*\* Customers may experience the following: ● \*\*SOS Unavailable message pops up on radio during a remote start event due to TBM DTC B2206\-00. 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 5.39.1 to 5.65 software level.Telematics Box Module \(TBM\) Firmware Over The Air \(FOTA\) Software Updating from 5.39 to 5.65 \*Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code \(DTC\): ● B2206\-00 \- Current VIN Missing / Mismatch.\*\* Customers may experience the following: ● \*\*SOS Unavailable message pops up on radio during a remote start event due to TBM DTC B2206\-00. 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 5.39.1 to 5.65 software level.Telematics Box Module \(TBM\) Firmware Over The Air \(FOTA\) Software Updating from 5.39 to 5.65 \*Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code \(DTC\): ● B2206\-00 \- Current VIN Missing / Mismatch.\*\* Customers may experience the following: ● \*\*SOS Unavailable message pops up on radio during a remote start event due to TBM DTC B2206\-00. 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 5.39.1 to 5.65 software level.