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Service bulletin L-TT-0223-17_Rev

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 id10129962
Published by NHTSA2018-03-12
Manufacturer's numberL-TT-0223-17_Rev
Manufacturer's date2018-02-16
NHTSA componentEQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

NHTSA's summary

TT: Techstream cannot perform a DCM (Telematics ECU) Activation following a DCM replacement. Techstream may exhibit an ?ATX web service unavailable? error or similar message when attempting a DCM activation. This is a known condition and will be remedied in the near future.

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

Equipment and accessories, Labels and manuals

Vehicles listed
LEXUS ES3502018
LEXUS GS300
LEXUS GS3002018
LEXUS LS HYBRID2018
LEXUS LS5002018
LEXUS NX HYBRID2018
LEXUS RC 3502018
LEXUS RC F2018
LEXUS RX HYBRID2017

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