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Service bulletin IS-20929

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 id10180589
Published by NHTSA2020-10-02
Manufacturer's numberIS-20929
Manufacturer's date2020-10-01
NHTSA componentINTERIOR LIGHTING; EQUIPMENT:ELECTRICAL; EQUIPMENT:APPLIANCE:AIR CONDITIONER

NHTSA's summary

UV LIGHTS INSTALLATION IN A/C COMPARTMENT

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

Equipment and accessories, Heating and air conditioning, Lighting

Vehicles listed
PREVOST H3-412014 to 2019
PREVOST H3-452014 to 2020
PREVOST H3-45 VIP2014 to 2020
PREVOST X3-452015 to 2020
PREVOST X3-45 COMMUTER2018 to 2019
PREVOST X3-45 VIP2015 to 2019

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