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Service bulletin L-TT-0264-19 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 id10177776
Published by NHTSA2020-08-03
Manufacturer's numberL-TT-0264-19 Rev
Manufacturer's date2020-06-22
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

TT: Repairing a 1234YF HVAC system on gas powered (non-hybrid) Lexus vehicle may require additional compressor oil to complete the repairs. 1234YF ND-12 compressor oil is available through the Lexus Approved Dealer Equipment website

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

Engine

Vehicles listed
LEXUS ES3502019 to 2021
LEXUS LC5002018 to 2021
LEXUS LS5002018 to 2021
LEXUS UX2002019 to 2021

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