Lexus GS 350 2013–2020 — technical service bulletin
Bulletin L-TT-0282-20 · NHTSA communication 10173971 · issued Mar 19, 2020
Technical service bulletin
communication type
Engine and Engine Cooling
component
2013–2020
model years
24
vehicle entries
Official summary
TT: Some vehicles may continue to experience abnormal blend door noise when changing the HVAC temperature setting after the air conditioner radiator assembly (evaporator case) was replaced for the same condition.
Vehicles covered
- 2013 Lexus GS 350
- 2014 Lexus GS 350
- 2015 Lexus GS 350
- 2016 Lexus GS 350
- 2017 Lexus GS 350
- 2018 Lexus GS 350
- 2019 Lexus GS 350
- 2020 Lexus GS 350
- 2016 Lexus IS200T
- 2017 Lexus IS200T
- 2014 Lexus IS 250
- 2015 Lexus IS 250
- 2016 Lexus IS 300
- 2017 Lexus IS 300
- 2018 Lexus IS 300
- 2019 Lexus IS 300
- 2020 Lexus IS 300
- 2014 Lexus IS 350
- 2015 Lexus IS 350
- 2016 Lexus IS 350
- 2017 Lexus IS 350
- 2018 Lexus IS 350
- 2019 Lexus IS 350
- 2020 Lexus IS 350
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.