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Service bulletin TT8009 Rev A

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 id10118809
Published by NHTSA2017-10-15
Manufacturer's numberTT8009 Rev A
Manufacturer's date2017-09-15
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION

NHTSA's summary

Service tip regarding upshift issues that will be addressed by FCCC

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
FCCC 2500MH TRANSMISSION

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