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Service bulletin L-TT-0279-20_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 id10172342
Published by NHTSA2020-03-09
Manufacturer's numberL-TT-0279-20_Rev
Manufacturer's date2020-01-29
NHTSA componentEQUIPMENT

NHTSA's summary

TT: Some guests may experience the inability to activate the Lexus Enform Remote app or the Lexus Enform Remote becoming inoperative when attempting to send commands to the vehicle. To simplify the diagnosis of this system and prevent the unnecessary replacement of parts, please refer to the procedure below.

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

Vehicles listed
LEXUS GS 3502020
LEXUS IS 3002020
LEXUS LS HYBRID2020
LEXUS RC 3502020

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