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Service bulletin LSB-0178-09

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 id10033065
Published by NHTSA2010-06-30
Manufacturer's numberLSB-0178-09
Manufacturer's date2009-12-02
NHTSA componentSERVICE BRAKES, AIR:ANTILOCK

NHTSA's summary

LEXUS: BRAKE CONTROL/DYNAMIC CONTROL SYSTEM. SOME VEHICLES MAY EXHIBIT A KNOCKING AND/OR CLICKING TYPE NOISE FROM THE BRAKE ACTUATOR DURING LIGHT BRAKE APPLICATION WHEN COMING TO A STOP OR WHEN DEPRESSING THE BRAKE PEDAL WHILE THE VEHICLE IS STOPPED. AN IMPROVED BRAKE ACTUATOR HAS BEEN INTRODUCED TO CORRECT THIS CONDITION. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Brakes, Anti-lock brakes

Vehicles listed
LEXUS LS 4602007
LEXUS LS4602008 to 2010
LEXUS LS600H2008
LEXUS LS600H2010

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