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Service bulletin BS-1644A

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 id10055549
Published by NHTSA2014-06-10
Manufacturer's numberBS-1644A
Manufacturer's date2012-01-27
NHTSA componentELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR; ELECTRICAL SYSTEM:WIRING

NHTSA's summary

NOVABUS: ALTERNATOR CABLES INTERFERES WITH MECHANICAL PARTS, CAUSING PREMATURE WEARING OF CABLES, DUE TO THE ACTUAL POSITION AND THE POSITIVE AND NEGATIVE CABLES SHOULD BE REPOSITION AND REPLACED. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Electrical system, Alternator, Wiring and fuses

Vehicles listed
NOVABUS BUS

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