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Service bulletin KSB-210122 V2

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 id10245576
Published by NHTSA2023-11-30
Manufacturer's numberKSB-210122 V2
Manufacturer's date2023-11-29
NHTSA componentSTRUCTURE

NHTSA's summary

It has been determined the units in this KSB population may develop sidewall cracks at both front slideouts. Only units that develop a crack will require this repair, if the sidewall is not cracked, no repair is needed.

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

Body and frame

Vehicles listed
KEYSTONE ALPINE2020 to 2022
KEYSTONE AVALANCHE2020 to 2022
KEYSTONE FUZION2020 to 2023
KEYSTONE MONTANA2020 to 2023
KEYSTONE MONTANA HIGH COUNTRY2020 to 2022

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