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Service bulletin IS-08080B

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 id10201006
Published by NHTSA2021-09-03
Manufacturer's numberIS-08080B
Manufacturer's date2021-08-16
NHTSA componentELECTRICAL SYSTEM; EQUIPMENT

NHTSA's summary

Sound Selector replacement, VSS04 to VSS05; When replacing a vehicle sound selector model VSS04 with a new sound selector model VSS05, an interface harness is required to connect the vehicle harness to the new sound selector model and a new VSS05 compatible radio unit must also be installed. This procedure describes the steps required to perform this update.

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

Vehicles listed
PREVOST H3-412007 to 2013
PREVOST H3-452007 to 2013
PREVOST X3-452007 to 2013

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