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Service bulletin L-SB-0004-18

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 id10129983
Published by NHTSA2018-03-12
Manufacturer's numberL-SB-0004-18
Manufacturer's date2018-02-15
NHTSA componentSERVICE BRAKES, HYDRAULIC:BRAKE FLUID LOW WARNING: LAMP; SERVICE BRAKES

NHTSA's summary

TSB: Some 2016 ? 2017 model year RX 350 vehicles may exhibit a ?Braking Power Low? warning message before or during startup with no related Diagnostic Trouble Codes (DTCs). Vehicles affected by this condition will operate normally and the warning light will disappear immediately once the engine is started. To minimize customer confusion, the meter control unit logic has been modified to address this condition. Follow the Repair Procedure in this bulletin to reprogram the meter control unit.

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 RX3502016 to 2017

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