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Service bulletin L-SB-0009-21

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 id10198130
Published by NHTSA2021-06-21
Manufacturer's numberL-SB-0009-21
Manufacturer's date2021-05-11
NHTSA componentSERVICE BRAKES, HYDRAULIC:FLUID; EQUIPMENT

NHTSA's summary

TSB: Some 2011 ? 2014 model year CT 200h vehicles may exhibit a condition in which the brake, ABS, and/or TRAC warning lights are on and/or a Check VSC message displays. Diagnostic Trouble Codes (DTCs) C1391, C1252, C1256, and/or C1253 may also be stored. This condition may be caused by a small internal brake fluid leak inside the brake booster assembly with master cylinder. 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, Equipment and accessories, Brake fluid

Trouble codes named

C1252, C1253, C1256, C1391

Vehicles listed
LEXUS CT HYBRID2011 to 2014

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