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Service bulletin FT5239

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 id10210999
Published by NHTSA2022-05-05
Manufacturer's numberFT5239
Manufacturer's date2022-04-06
NHTSA componentFUEL SYSTEM, DIESEL; EQUIPMENT

NHTSA's summary

Spheros Maintenance Access

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

Equipment and accessories, Fuel system

Vehicles listed
NOVA BUS LFS2020
NOVA BUS LFS ARTIC2020 (the catalog's model; the bulletin names a series or trim of it)

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

Recalls for the same vehicles and component
24V6570002024-09-09. EQUIPMENT:ELECTRICAL; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:WINDSHIELD:ELECTRICAL HEATING ELEMENT
23V7630002023-11-11. EQUIPMENT:APPLIANCE:AIR CONDITIONER
22V3230002022-05-11. EQUIPMENT; EXTERIOR LIGHTING
20212862021-05-14. Fuel System
21V3510002021-05-14. FUEL SYSTEM, DIESEL:FUEL INJECTION SYSTEM:FUEL RAIL

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
FT46512023-08-17. Service bulletin. Failure of DEF sensor GEN 6 within the expected 5-years lifespan.
BS5357E2023-04-03. Service bulletin. Lexan panels cracking at mounting holes. Need to change the attachment of Lexan panels due to apparent cracks.
BS5356E2023-04-03. Service bulletin. Lexan panels cracking at mounting holes. Need to change the attachment of Lexan panels due to apparent cracks.
LI5315E2022-10-27. Service bulletin. On the Thermo King HVAC roof unit, after replacing the actuator N8897109, some customers could see the error code 36.
BS5300E2022-10-03. Service bulletin. HVAC deflectors are breaking at the folded attachment points. The brackets broke right at the bending due to a sharp curve
BS5299E2022-10-03. Service bulletin. HVAC deflectors are breaking at the folded attachment points. The brackets broke right at the bending due to a sharp curve
LI5164E2022-04-05. Service bulletin. MCC Driver's Display Electrical Terminal Failure. Bracket installation to add a strain relief on the MCC display screen wires.
LI5206E2022-02-04. Service bulletin. A faulty coupler could prevent reception of the GPS signal and result in no stop announcements.
BS5083E2021-06-02. Service bulletin. Missing washers on the cover shade Dash
ft50842021-06-02. Service bulletin. Missing washers on the cover shade Dash