# Service bulletin 08\-382\-25 REV. A

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 11026669
- Published by NHTSA: 2025\-12\-17
- Manufacturer's number: 08\-382\-25 REV. A
- Manufacturer's date: 2025\-12\-10
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

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.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11026669-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11026669-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system

## Trouble codes named

B2206

## Vehicles listed

- 2022 RAM 2500
- 2022 RAM 3500
- 2022 RAM 4500
- 2022 RAM 5500

## Recalls for the same vehicles and component

- [2023026](/recalls/tc/2023026.md), 2023-02-09: Electrical
- [23V060000](/recalls/nhtsa/23V060000.md), 2023-02-09: ELECTRICAL SYSTEM:WIRING:RELAYS/SOLENOIDS
- [2021629](/recalls/tc/2021629.md), 2021-10-14: Electrical
- [21V798000](/recalls/nhtsa/21V798000.md), 2021-10-14: ELECTRICAL SYSTEM:WIRING:RELAYS/SOLENOIDS

## Other bulletins for the same vehicles and component

- [9100901](/bulletins/11037344.md), 2026-09-17, Service bulletin: STRUCTURE:BODY; ELECTRICAL SYSTEM. Passive Entry O/S Dr Handle Prior to replacing an inoperative passive entry door handle, perform Star Online S2623000040.
- [113744](/bulletins/11035981.md), 2026-08-06, Service bulletin: ENGINE; ELECTRICAL SYSTEM. SENSOR \- TURBOCHARGER SPEED
- [113742](/bulletins/11035980.md), 2026-08-06, Service bulletin: ENGINE; ELECTRICAL SYSTEM. SENSOR \- TURBOCHARGER SPEED
- [08\-291\-26](/bulletins/11035315.md), 2026-07-29, Service bulletin: ELECTRICAL SYSTEM. R1H UBQ/UEQ Intermittent HVAC Page Lockup Customers may experience one or more of the following: SYMPTOM: ● Intermittently the HVAC page on the Display Screen Module will change temperature and blower speed and then freeze. ● When on the HVAC page, the Display Screen Module may not respond to touch. All other pages operate as intended.
- [113069](/bulletins/11034910.md), 2026-07-08, Service bulletin: STRUCTURE:BODY; ELECTRICAL SYSTEM. SWITCH – HEADLAMP
- [113070](/bulletins/11034909.md), 2026-07-08, Service bulletin: ELECTRICAL SYSTEM; STRUCTURE:BODY. SWITCH – HEADLAMP
- [S2508000025 REV.A](/bulletins/11034390.md), 2026-07-02, Service bulletin: ELECTRICAL SYSTEM. Instrument Panel Cluster \(IPC\) and Radio Compass Display has Dashes \(\-\-\)
- [S268A000014](/bulletins/11034346.md), 2026-07-02, Service bulletin: ELECTRICAL SYSTEM. Radio/ETM is Adding Approximately 27mA Draw to Vehicle When in Logistics Mode
- [S1623000028 Rev. K](/bulletins/11033975.md), 2026-06-18, Service bulletin: ELECTRICAL SYSTEM; STRUCTURE:BODY. Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.
- [9100835](/bulletins/11033957.md), 2026-06-18, Service bulletin: ELECTRICAL SYSTEM. Prior to replacing an inoperative passive entry door handle, perform Star Online S2623000040.

JSON: [/v1/bulletins/11026669](/v1/bulletins/11026669)

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