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Service bulletin BS4178E

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 id10136812
Published by NHTSA2018-05-14
Manufacturer's numberBS4178E
Manufacturer's date2018-04-18
NHTSA componentSEATS

NHTSA's summary

Seats might get detached from damaged seat rails.

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

Seats

Vehicles listed
NOVA BUS LFS ARTIC2013 to 2014
NOVA BUS LFS ARTIC2015, 2016 (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
20260532026-02-10. Seats And Restraints
26V0770002026-02-10. SEATS
20244992024-09-03. Seats And Restraints
23V7140002023-10-25. SEATS:CRITICAL FASTENERS
20193322019-07-03. Seats And Restraints
19V5110002019-07-02. SEATS
20184562018-08-29. Seats And Restraints
20175712017-11-22. Seats And Restraints
20161442016-04-05. Seats And Restraints
16V1910002016-04-05. SEATS

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
FT5499E2023-10-29. Service bulletin. Validation of the previous passenger seat back panel campaign.
FT4997R12021-01-05. Service bulletin. Passengers seat back cracked inspection
FT4715R12021-01-05. Service bulletin. Passengers Seat Back Cracked
FT4650R12019-10-21. Service bulletin. Seats rail failure San Antonio Texas - VIA inspection
FT47152019-10-21. Service bulletin. Seat back panel
FT46522019-09-16. Service bulletin. Seats rail floor failure San Antonio Texas
FT46502019-08-19. Service bulletin. Seats rail failure San Antonio Texas - VIA inspection
FT46402019-07-08. Service bulletin. Seats rail floor failure San Antonio Texas
FT4610R12019-07-08. Service bulletin. Seats rail failure San Antonio Texas
FT46102019-06-10. Service bulletin. Seats rail failure San Antonio Texas