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Service bulletin KLA_Lexus_TI_02

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 id10159698
Published by NHTSA2019-05-13
Manufacturer's numberKLA_Lexus_TI_02
Manufacturer's date2019-04-05
NHTSA componentENGINE; ELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

Technical Instructions: Update 4/5/2019: Note added on p. 5. TECHNICAL INSTRUCTIONS FOR SPECIAL SERVICE CAMPAIGN KLA ENGINE ECU SOFTWARE UPDATE CERTAIN: 2018 GS 350 2018 RC300 & RC 350 2018 IS 300 and IS 350 2018 RX 350 and RX 350L

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, Engine, Software

Vehicles listed
LEXUS GS 3502018
LEXUS IS 3002018
LEXUS IS 3502018
LEXUS RC 3002018
LEXUS RC 3502018

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