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RAM

08-381-25 REV. A

Manufacturer communications

Publication date
2025-12-10
Received by NHTSA
2025-12-17
NHTSA record numbers
11026668

Manufacturer summary

Original wording in English

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.

NHTSA manufacturer communications ↗

Reported code forms

B2206

Manufacturer wording

Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.

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MakeModelModel year
Ram15002023

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