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Service bulletin BS4370E

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 id10143997
Published by NHTSA2018-08-20
Manufacturer's numberBS4370E
Manufacturer's date2018-06-22
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

VBEA software logic improved to ensure that rear door fan operates according to actual ambient and engine compartment temperatures.

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
NOVA BUS LFS ARTIC2010 to 2011

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