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Service bulletin LSB004323

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 id10244114
Published by NHTSA2023-10-16
Manufacturer's numberLSB004323
Manufacturer's date2023-08-21
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

TSB: The air conditioning dye injection tool kit has been developed to aid in identifying the location of air conditioning refrigerant leaks. Follow the procedures outlined in this service bulletin to aid in locating, inspecting, and repairing refrigerant leaks.

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 CT2013, 2014, 2015, 2016
LEXUS CT HYBRID2017 to 2018
LEXUS ES2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023
LEXUS GS2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
LEXUS GX2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023
LEXUS IS2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023
LEXUS LC2018, 2019, 2020, 2021, 2022, 2023
LEXUS LFA2012
LEXUS LFA2017
LEXUS LS2013, 2014, 2015, 2016
LEXUS LS2018, 2019, 2020, 2021, 2022, 2023
LEXUS LX2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023
LEXUS NX2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023
LEXUS RC2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023
LEXUS RX2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
LEXUS RZ2023
LEXUS UX2019, 2020, 2021, 2022, 2023

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