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Service bulletin SP12-312

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 id10131478
Published by NHTSA2018-04-02
Manufacturer's numberSP12-312
Manufacturer's date2012-11-12
NHTSA componentELECTRICAL SYSTEM:WIRING; EQUIPMENT:ELECTRICAL

NHTSA's summary

On the vehicles affected by this bulletin, addition of a power relay to the inverter system wiring is required.

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, Wiring and fuses

Vehicles listed
PREVOST X32012

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