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Service bulletin 2012FA06B

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 id10058970
Published by NHTSA2016-01-06
Manufacturer's number2012FA06B
Manufacturer's date2013-05-01
Replaces2012FA06A-B
NHTSA componentPOWER TRAIN:MANUAL TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION

NHTSA's summary

ALLISON TRANSMISSION RELEASED NEW CALIBRATION WITH LOWER C5 PRESSURE STRATEGY TO PREVENT FRICTION LOST ON THE C5 FRICTION PLATE WITH A HIGHER PRESSURE. *MA UPDATED 02/08/16 *MA

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, Manual transmission

Vehicles listed
ALLISON 1000 SERIES TRANSMISSION
ALLISON 2000 SERIES TRANSMISSION

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