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Service bulletin SP14-311

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 id10131567
Published by NHTSA2018-04-02
Manufacturer's numberSP14-311
Manufacturer's date2014-06-16
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

On the vehicles affected by this special bulletin, add a 3 amp diode to the corresponding 24CO circuit to prevent the combined charging and starting system F81 fuse from blowing.

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
PREVOST H3-452011 to 2013
PREVOST X32011 to 2012

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