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Service bulletin L-TT-0186-15

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 id10132534
Published by NHTSA2018-04-02
Manufacturer's numberL-TT-0186-15
Manufacturer's date2015-08-12
NHTSA componentPARKING BRAKE

NHTSA's summary

TechTip: Some 14-15 MY IS250/350 vehicles may exhibit a rattle type noise from the rear wheel parking brake area when the vehicle travels over bumps, like lane marker dots.

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, Parking brake

Vehicles listed
LEXUS IS 2502014 to 2015
LEXUS IS 3502014 to 2015

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