WenmarOpen by Wenmar Pro

Service bulletin FSB373-024

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 id10123147
Published by NHTSA2017-11-09
Manufacturer's numberFSB373-024
Manufacturer's date2017-10-26
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION

NHTSA's summary

Some Mack trucks equipped with mDrive transmissions built between September 6, 2010 and August 14, 2017 may have PTO solenoid bracket or transmission harness connector failures due to excessive vibration.

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, Automatic transmission

Vehicles listed
MACK CHU2011 to 2018
MACK CXU2011 to 2018
MACK GU2011 to 2018
MACK TD2011 to 2018

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