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Service bulletin L-SB-0001-16

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 id10134132
Published by NHTSA2018-04-23
Manufacturer's numberL-SB-0001-16
Manufacturer's date2016-01-07
NHTSA componentPOWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)

NHTSA's summary

LSB: Some AWD 2013 ? 2015 GS 350, 2014 ? 2015 IS 350 and 2015 model year RC 350 vehicles may exhibit a whine type noise from the transfer case area from 30 - 50 mph under light throttle. 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

Transmission and driveline, Transfer case

Vehicles listed
LEXUS GS 3502013 to 2015
LEXUS IS 2502014 to 2015
LEXUS IS 3502014 to 2015
LEXUS RC 3502015

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