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Service bulletin LTT032623

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 id10244110
Published by NHTSA2023-10-16
Manufacturer's numberLTT032623
Manufacturer's date2023-08-17
NHTSA componentUNKNOWN OR OTHER; COMMUNICATION:MANUFACTURER TELEMATICS

NHTSA's summary

TT: A very small percentage of customers experience operational difficulties with some telematics features which they cannot resolve on their own. These resources, in conjunction with the Repair Manual, are for dealership personnel to assist those customers with user issues, user errors, and compatibility issues with other vehicle systems and external applications encountered while operating telematics features.

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.

Vehicles listed
LEXUS CT HYBRID2019
LEXUS ES2019, 2020, 2021, 2022, 2023
LEXUS ES HYBRID2019 to 2024
LEXUS GS2019, 2020
LEXUS GS HYBRID2019
LEXUS GX2019, 2020, 2021, 2022, 2023
LEXUS IS2019, 2020, 2021, 2022, 2023
LEXUS LC2018, 2019, 2020, 2021, 2022, 2023, 2024
LEXUS LC HYBRID2019 to 2024
LEXUS LS2018, 2019, 2020, 2021, 2022, 2023
LEXUS LS HYBRID2019 to 2022
LEXUS LX2019, 2020, 2021, 2022, 2023
LEXUS NX2018, 2019, 2020, 2021, 2022, 2023, 2024
LEXUS NX HYBRID2019 to 2024
LEXUS RC2018, 2019, 2020, 2021, 2022, 2023
LEXUS RX2019, 2020, 2021, 2022, 2023, 2024
LEXUS RX HYBRID2019 to 2024
LEXUS RZ2023, 2024
LEXUS UX2019, 2020, 2021, 2022, 2023
LEXUS UX HYBRID2019 to 2024
LEXUS non-existant UX2024

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