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Service bulletin LI4673E

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 id10172395
Published by NHTSA2020-03-09
Manufacturer's numberLI4673E
Manufacturer's date2020-02-26
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Obsolete AIC3 module needs to be replaced by the newer AIC4 module

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 LFS2009
NOVA BUS LFS2011
NOVA BUS LFS ARTIC2009 to 2012

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