# Service bulletin IDO\-621

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: 11022593
- Published by NHTSA: 2025\-09\-04
- Manufacturer's number: IDO\-621
- Manufacturer's date: 2025\-08\-07
- NHTSA component: UNKNOWN OR OTHER

## NHTSA's summary

Lippert has updated the Unity Boards to improve the end\-user experience. This update affects Unity X4, X270D, and 180D.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11022593-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11022593-9999.pdf)

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

## Vehicles listed

- EQUIPMENT EQUIPMENT

JSON: [/v1/bulletins/11022593](/v1/bulletins/11022593)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20IDO-621&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F11022593&vehicle=Service%20bulletin%20IDO-621)