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Service bulletin 11K2K03

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 id10000955
Published by NHTSA2003-04-09
Manufacturer's number11K2K03
Manufacturer's date2003-01-01
NHTSA componentPOWER TRAIN

NHTSA's summary

INTRODUCING ALLISON DOC FOR PDA (1000/2000 SERIES) DIAGNOSTIC TOOLS. *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
ALLISON 1000 SERIES TRANSMISSION
ALLISON 2000 SERIES TRANSMISSION
ALLISON 2400 SERIES TRANSMISSION

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