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Service bulletin FT4800

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 id10171330
Published by NHTSA2020-02-10
Manufacturer's numberFT4800
Manufacturer's date2020-01-16
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Floating voltage on VBEA sleep mode

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

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

Recalls for the same vehicles and component
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
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
BS5543E2024-02-24. Service bulletin. Battery tray structure cracks due to thin sheet metal.
FT55362023-12-22. Service bulletin. Battery Tray Structure Cracks. Battery hold downs may slip between batteries.
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)
BS5320ER12023-04-03. Service bulletin. Fire light coming on in the dash, Fire detection system
FT52432023-02-25. Service bulletin. ECP radiator failures deemed to be due to overpressure events.
FT52442023-02-25. Service bulletin. ECP radiator failures deemed to be due to overpressure events.
BS5320E2022-12-03. Service bulletin. Fire light coming on in the dash. Addition of a bracket so water won’t drip on temperature sensor.
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.
BS5210ER12022-04-05. Service bulletin. Horn may fail due to the low internal high heat resistance.