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Service bulletin 4TR04

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 id10006821
Published by NHTSA2004-05-15
Manufacturer's number4TR04
Manufacturer's date2004-01-01
NHTSA componentPOWER TRAIN

NHTSA's summary

INTRODUCING ALLISON DOC FOR PDA (WTEC) V2.0, ALLISON DOC FOR PDA (1000/2000) V2.0, AND ALLISON DOC FOR PDA (CEC2) V2.0. *TT

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

Vehicles listed
UNKNOWN UNKNOWN1

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