Lexus CT Hybrid 2006–2020 — technical service bulletin

Bulletin L-SB-0028-20 · NHTSA communication 10179595 · issued Aug 4, 2020

Technical service bulletin

communication type

Engine and Engine Cooling

component

2006–2020

model years

vehicle entries

Official 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.

Vehicles covered

2011 Lexus CT Hybrid
2012 Lexus CT Hybrid
2013 Lexus CT Hybrid
2014 Lexus CT Hybrid
2015 Lexus CT Hybrid
2016 Lexus CT Hybrid
2017 Lexus CT Hybrid
2013 Lexus ES Hybrid
2014 Lexus ES Hybrid
2015 Lexus ES Hybrid
2016 Lexus ES Hybrid
2017 Lexus ES Hybrid
2018 Lexus ES Hybrid
2019 Lexus ES Hybrid
2020 Lexus ES Hybrid
2007 Lexus GS450H
2008 Lexus GS450H
2009 Lexus GS450H
2011 Lexus GS450H
2014 Lexus GS450H
2015 Lexus GS450H
2007 Lexus GS Hybrid
2008 Lexus GS Hybrid
2010 Lexus GS Hybrid
2011 Lexus GS Hybrid
2013 Lexus GS Hybrid
2016 Lexus GS Hybrid
2017 Lexus GS Hybrid
2018 Lexus GS Hybrid
2010 Lexus HS 250 Hybrid
2011 Lexus HS 250 Hybrid
2012 Lexus HS 250 Hybrid
2018 Lexus LC Hybrid
2019 Lexus LC Hybrid
2020 Lexus LC Hybrid
2008 Lexus LS
2009 Lexus LS
2010 Lexus LS
2011 Lexus LS
2012 Lexus LS
2016 Lexus LS
2008 Lexus LS600H
2009 Lexus LS600H
2010 Lexus LS600H
2011 Lexus LS600H
2012 Lexus LS600H
2013 Lexus LS600H
2014 Lexus LS600H
2015 Lexus LS600H
2016 Lexus LS600H
2018 Lexus LS Hybrid
2019 Lexus LS Hybrid
2020 Lexus LS Hybrid
2015 Lexus NX Hybrid
2016 Lexus NX Hybrid
2017 Lexus NX Hybrid
2018 Lexus NX Hybrid
2019 Lexus NX Hybrid
2020 Lexus NX Hybrid
2006 Lexus RX

What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.