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Service bulletin FT5536

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 id10247617
Published by NHTSA2023-12-22
Manufacturer's numberFT5536
Manufacturer's date2023-12-20
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Battery Tray Structure Cracks. Battery hold downs may slip between batteries.

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

Electrical system

Vehicles listed
NOVA BUS LFS2019, 2020, 2021
NOVA BUS LFS ARTIC2019, 2020 (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
20251762025-04-07. Electrical
24V2030002024-03-17. ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR
23V6070002023-08-31. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS
20233482023-06-14. Electrical
20223102022-06-13. Electrical
22V4160002022-06-13. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS; ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN
21V9290002021-11-26. ELECTRICAL SYSTEM:SOFTWARE; STRUCTURE:BODY:DOOR
20V3540002020-06-15. STRUCTURE:BODY:DOOR:HINGE AND ATTACHMENTS; ELECTRICAL SYSTEM:SOFTWARE
19V2740002019-04-05. ELECTRICAL SYSTEM

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
BS5580E2024-04-30. Service bulletin. One fire suppression system pipe may be installed backwards and interfere with an alternator cable, creating friction that could damage one or both components.
FT55672024-03-29. Service bulletin. Battery Unbalanced Light Logic with AGM Battery.
FT55502024-03-29. Service bulletin. The Parker PHD70 display might freeze or not work properly.
BS5543E2024-02-24. Service bulletin. Battery tray structure cracks due to thin sheet metal.
FT55342024-02-01. Service bulletin. The ground of the IVN unit (Intelligent Vehicle Network) could be connected to the wrong place.
BS5503E2023-12-02. Service bulletin. The WHA11 harness has a potential chafing issue.
FT54652023-10-29. Service bulletin. Erroneous Fault Codes reporting on the AVM System of Clever Devices.
FT54332023-09-26. Service bulletin. Support for infotainement displays may crack. Overhead Screen Display (for 40' buses)
FT54342023-09-26. Service bulletin. Support for infotainement displays may crack. Overhead Screen Display (for 60' buses)
FT54372023-06-19. Service bulletin. The supplier Lift-U recommends the addition of a detection delay to prevent wrong fault code in the AVM.