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Service bulletin K73833525

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 id10152936
Published by NHTSA2019-02-19
Manufacturer's numberK73833525
Manufacturer's date2018-12-21
NHTSA componentPOWER TRAIN

NHTSA's summary

Mack Chassis - Equipped With An Automated Manual Transmission (AMT-D, mDrive) - Unable To Program Transmission Electronic Control Unit (TECU) That Comes With A Reman Transmission; Information For Programming TECUs For Different Emissions Levels - FSB 432-014 Transmission ECU Compatibility - US10 to US14+OBD13 Emissions, Model Years 2010 To 2017

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
MACK CHU
MACK CXU
MACK GU
MACK TD

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