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Service bulletin SB 466

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 id10152972
Published by NHTSA2019-02-19
Manufacturer's numberSB 466
Manufacturer's date2018-12-07
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

This Service Bulletin informs affected owners of model year 2018 J4500 model coaches that the potential exists for water intrusion into the remote junction boxes, potentially causing corrosion and possible failure of the electrical connectors and that MCI will remedy the affected coaches at no cost to the owners.

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
MCI J45002018

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