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Service bulletin 22901

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 id10208424
Published by NHTSA2022-03-02
Manufacturer's number22901
Manufacturer's date2022-02-08
NHTSA componentSERVICE BRAKES, AIR

NHTSA's summary

The rear axle brake chambers may be installed in the incorrect mounting slot which could lead to long term durability issues.

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

Brakes

Vehicles listed
IC BUS CE2022 to 2023
IC BUS CESB2022 to 2023
IC BUS RE2022
IC BUS RESB2022

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