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Service bulletin L-SB-0028-20

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 id10179691
Published by NHTSA2020-09-14
Manufacturer's numberL-SB-0028-20
Manufacturer's date2020-08-04
NHTSA componentELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY

NHTSA's summary

TSB: Some 2006 ? 2020 model year Lexus hybrid vehicles may exhibit an excessive buildup of dust, lint, or debris in the HV battery cooling fan or intake filter. This condition could reduce the efficiency of the HV battery cooling system.

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

Electrical system, Equipment and accessories

Vehicles listed
LEXUS CT HYBRID2011 to 2017
LEXUS ES HYBRID2013 to 2020
LEXUS GS HYBRID2007 to 2008
LEXUS GS HYBRID2010
LEXUS GS HYBRID2013
LEXUS GS HYBRID2016 to 2018
LEXUS GS450H2007 to 2009
LEXUS GS450H2011
LEXUS GS450H2014 to 2015
LEXUS HS 250 HYBRID2010 to 2012
LEXUS LC HYBRID2018 to 2020
LEXUS LS2008, 2009, 2010, 2011, 2012
LEXUS LS2016
LEXUS LS HYBRID2018 to 2020
LEXUS LS600H2008 to 2016
LEXUS NX HYBRID2015 to 2020
LEXUS RX2006
LEXUS RX2010, 2011
LEXUS RX 3502013
LEXUS RX 3512014
LEXUS RX HYBRID2006 to 2008
LEXUS RX HYBRID2011 to 2020
LEXUS RX450H2010
LEXUS UX HYBRID2019 to 2020

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

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