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Service bulletin SB1585

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 id10172043
Published by NHTSA2020-03-04
Manufacturer's numberSB1585
Manufacturer's date2020-03-04
NHTSA componentPOWER TRAIN

NHTSA's summary

Transmission refuses to shift into gear after a low air pressure. The Field Change program, subject of this bulletin, applies to vehicles equipped with a Detroit Diesel DD13 EPA 16 engine in combination with an Allison WTB500 FuelSense 2-transmission. It has come to the attention of Van Hool that on some of the above mentioned vehicles the transmission sometimes refuses to shift into gear after a low air pressure condition. This service bulletin gives step-by-step instructions how to solve the problme.

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

Transmission and driveline

Vehicles listed
VAN HOOL CX452019
VAN HOOL TX452019

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