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Service bulletin FA-2014FA08

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 id10058990
Published by NHTSA2016-01-08
Manufacturer's numberFA-2014FA08
Manufacturer's date2014-11-01
Replaces2014FA08 REV C
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION; ELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

ALLISON TRANSMISSION: TRANSMISSION CONTROL MODULE (TCM), IN SOME TRUCKS, WITH TORQUE CONVERTER LOCKUP, WILL HAVE PREMATURE C4 CLUTCH PACK WEAR AND WILL NEED TO HAVE NEW CALIBRATIONS INSTALLED TO PREVENT TORQUE CONVERTER LOCKUP IN THE 1ST RANGE. *PE UPDATED 1/15/16. *PE UPDATED 1/22/16. *PE UPDATED 2/1/16. *PE

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

Electrical system, Transmission and driveline, Automatic transmission, Software

Vehicles listed
ALLISON TRANSMISSION

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