WenmarOpen by Wenmar Pro

Service bulletin 23901

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 id10241553
Published by NHTSA2023-09-02
Manufacturer's number23901
Manufacturer's date2023-08-17
NHTSA componentSTRUCTURE

NHTSA's summary

These certain buses may have roof water leaks resulting from incorrect assembly described in Roof Joint Recalls 23501 and 23502.

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
IC BUS CE2022 to 2023
IC BUS CE SBUS2022 to 2023
IC BUS CESB2022 to 2024
IC BUS EV2022 to 2023
IC BUS EVSB2022 to 2024
IC BUS RE2022 to 2024
IC BUS RESB2022 to 2024

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