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Service bulletin CA#9703

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 id10176291
Published by NHTSA2020-06-17
Manufacturer's numberCA#9703
Manufacturer's date2020-06-12
NHTSA componentELECTRICAL SYSTEM; EQUIPMENT

NHTSA's summary

The Firefly auto generator start feature periodically turns off shortly after the heating ventilation air conditioner is triggered stalling the generator. A software update to the G12 module to the version 3.10 provided by Firefly has to be performed. A USB stick with the software update and a SOP (Standard Operating Procedure) will be sent out to dealers and retail owners of motorhomes that are affected.

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, Equipment and accessories

Vehicles listed
WONDER W24FTB2020
WONDER W24MB2020
WONDER W24RTB2020

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