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Service bulletin SB1939

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 id10188568
Published by NHTSA2021-03-11
Manufacturer's numberSB1939
Manufacturer's date2021-02-24
NHTSA componentPARKING BRAKE; EQUIPMENT

NHTSA's summary

Field Change Program: Optimization of multiplex program Van Hool has optimized the multiplex program. Owners and operators are requested to load the new multiplex program according to the step-by-step instructions given in this service bulletin. Van Hool apologises for the inconvenience caused by this field change program and wishes to thank you in advance for your cooperation.

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

Brakes, Equipment and accessories, Parking brake

Vehicles listed
VAN HOOL VAN HOOL

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