WenmarOpen by Wenmar Pro

Service bulletin 401939

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11019542
Published by NHTSA2025-06-16
Manufacturer's number401939
Manufacturer's date2025-06-16
Campaign id or software version401939
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Multi-Plex electrical layout for reference.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system

Vehicles listed
FOREST RIVER CHARLESTON2018

Listing a model year does not mean every vehicle of it is concerned: the document says which.