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Service bulletin BS1840ER1

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 id10110057
Published by NHTSA2017-08-03
Manufacturer's numberBS1840ER1
Manufacturer's date2013-02-26
NHTSA componentSERVICE BRAKES, AIR:DISC

NHTSA's summary

Excessive current passes through the main disconnect switch, which could lead to the failure of the PDB.

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

Brakes

Vehicles listed
NOVA BUS LFS ARTIC2009

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