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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 id10207957
Published by NHTSA2022-02-14
Manufacturer's numberL-TT-0279-20 Rev
Manufacturer's date2022-01-20
NHTSA componentEQUIPMENT; ELECTRICAL SYSTEM

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

Electrical system, Equipment and accessories

Vehicles listed
LEXUS ES HYBRID2020 to 2022
LEXUS ES2502021 to 2022
LEXUS ES3502020 to 2022
LEXUS IS 3002021 to 2022
LEXUS IS 3502021 to 2022
LEXUS IS 5002022
LEXUS LC HYBRID2021 to 2022
LEXUS LC5002021 to 2022
LEXUS LS HYBRID2021 to 2022
LEXUS LS5002021 to 2022
LEXUS NX HYBRID2020 to 2021
LEXUS NX2502022
LEXUS NX3002020 to 2021
LEXUS NX3502022
LEXUS NX350H2022
LEXUS NX450H+2022
LEXUS RC 3002021 to 2022
LEXUS RC 3502021 to 2022
LEXUS RC F2021 to 2022
LEXUS RX HYBRID2020 to 2022
LEXUS RX3502020 to 2022
LEXUS UX HYBRID2020 to 2022
LEXUS UX2002020 to 2022

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