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Service bulletin FT5145R1

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 id10230917
Published by NHTSA2023-02-02
Manufacturer's numberFT5145R1
Manufacturer's date2023-01-24
NHTSA componentSTRUCTURE

NHTSA's summary

Due to the lack of bonding surface between the two large roof top panels, when thermal expansion and contraction occur these panels separate and leave an opening

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
NOVA BUS LFS2020, 2021

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

Recalls for the same vehicles and component
26V3000002026-05-12. VISIBILITY:GLASS, SIDE/REAR; STRUCTURE:INTERIOR PANELS:DOOR
20260062026-01-13. Structure
20243492024-06-17. Structure
21V9290002021-11-26. ELECTRICAL SYSTEM:SOFTWARE; STRUCTURE:BODY:DOOR
20202712020-06-17. Structure

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
BS5468E2024-01-04. Service bulletin. Driver barrier door stanchion hardware loose, missing, or broken.
FT55142023-11-24. Service bulletin. Upper door shaft nut may get loose.
FT5510E2023-11-24. Service bulletin. Lower door shaft nut may get loose.
FT53212023-02-03. Service bulletin. The anchor bolt of one of the auxiliary heater high voltage cable retaining collar may come into contact with one of the coolant pipes under certain conditions.
BS5322E2023-02-03. Service bulletin. The anchor bolt of one of the auxiliary heater high voltage cable retaining collar may come into contact with one of the coolant pipes under certain conditions.
BS5283E2022-08-03. Service bulletin. Roof fairing bracket cracking. New improve roof fairing bracket available for service.
FT52612022-05-05. Service bulletin. Door code 105 is being logged on electric doors
FT5211R12021-12-02. Service bulletin. Vapor Rear Plug Doors