# Service bulletin TSB\-0625\-02

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: 11020020
- Published by NHTSA: 2025\-07\-01
- Manufacturer's number: TSB\-0625\-02
- Manufacturer's date: 2025\-06\-23
- Campaign id or software version: S102793E, S069119E, S081559C, S102807C
- NHTSA component: POWER TRAIN; FUEL/PROPULSION SYSTEM
- Manufacturer's system: VCU TCU BMS OTA

## NHTSA's summary

The updated VCU software includes enhancements for 12V and high\-voltage battery conditioning, as well as resolving issues with incorrectly stored faults. The revised TCU software enhances the thermal management system and eliminates erroneously stored faults. The updated OTA software enables TCU and BMS diagnostics to be reported over the air. Additionally, the improved BMS software enhances fault detection and decreases the overall time required for cell balancing.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11020020-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11020020-9999.pdf)

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

## Components

Fuel system, Transmission and driveline

## Vehicles listed

- 2025 BOLLINGER MOTORS B4

JSON: [/v1/bulletins/11020020](/v1/bulletins/11020020)

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