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Service bulletin TC00403

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 id10003571
Published by NHTSA2003-10-24
Manufacturer's numberTC00403
Manufacturer's date2003-08-04
ReplacesTC00403
NHTSA componentPOWER TRAIN

NHTSA's summary

ENGINE CONTROL MODULE (ECM) CALIBRATION - SHIFTING ENHANCEMENT - REVISED. *TT 2ND REVISION. *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
LEXUS ES 3302004
LEXUS ES3002002 to 2003
LEXUS ES3302005

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