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Service bulletin SP15-21

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 id10124067
Published by NHTSA2017-11-17
Manufacturer's numberSP15-21
Manufacturer's date2015-06-01
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

On the vehicles affected by this bulletin, to prevent premature corrosion of the rear junction box components, replace the junction box cover with a late model "central mount" cover.

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 X3-452010 to 2013

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