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Service bulletin L-SB-0004-19

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 id10154784
Published by NHTSA2019-03-18
Manufacturer's numberL-SB-0004-19
Manufacturer's date2019-02-01
NHTSA componentSERVICE BRAKES

NHTSA's summary

TSB: Some 2016 ? 2018 model year RX450h vehicles may exhibit a squawk or knock noise from the engine compartment when depressing and/or releasing the brake pedal. Follow the Repair Procedure in this bulletin to address this condition.

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

Brakes

Vehicles listed
LEXUS RX HYBRID2016 to 2018

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