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Service bulletin FSB 432-014

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 id10083170
Published by NHTSA2016-10-21
Manufacturer's numberFSB 432-014
Manufacturer's date2014-10-03
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION

NHTSA's summary

TRANSMISSION ECU COMPATIBILITY. THE CURRENT TRANSMISSION ECU (TECU) HARDWARE FOR THE MDRIVE TRANSMISSION USED IN THE US2010 EMISSIONS, OBD2013 AND NEWER VEHICLES IN NORTH AMERICA IS THE SAME PART NUMBER (21484418). THE SOFTWARE THAT IS PROGRAMMED INTO THEM IS WHAT MAKES THEM DIFFERENT.

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Transmission and driveline, Automatic transmission

Vehicles listed
MACK MACK

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