TSB: LEXUS GS 350, IS 250, IS 300, IS 350, IS200T (2013–2020)

Bulletin L-TT-0282-20 — March 19, 2020

Bulletin Details

Bulletin IDL-TT-0282-20
ManufacturerLEXUS
ModelsGS 350, IS 250, IS 300, IS 350, IS200T
Model Years2013–2020
Date IssuedMarch 19, 2020
Date Added to NHTSAApril 20, 2020
ComponentENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
Vehicles Affected24 combinations

What is a TSB?

A Technical Service Bulletin is a document issued by the vehicle manufacturer to inform dealership technicians about a known issue and the recommended repair procedure. TSBs are not mandatory recalls — they serve as repair guidance for common problems.

If your vehicle has this issue, bring this bulletin ID to your dealer. If under warranty, the repair should be covered at no cost.

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.

Affected Vehicles

MakeModelYearComponent
LEXUS GS 350 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
LEXUS IS 300 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
LEXUS IS 350 2020 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
LEXUS GS 350 2019 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
LEXUS IS 300 2019 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
LEXUS IS 350 2019 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
LEXUS GS 350 2018 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
LEXUS IS 300 2018 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
LEXUS IS 350 2018 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
LEXUS GS 350 2017 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
LEXUS IS 300 2017 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
LEXUS IS 350 2017 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
LEXUS IS200T 2017 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
LEXUS GS 350 2016 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
LEXUS IS 300 2016 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
LEXUS IS 350 2016 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
LEXUS IS200T 2016 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
LEXUS GS 350 2015 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
LEXUS IS 250 2015 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
LEXUS IS 350 2015 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
LEXUS GS 350 2014 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
LEXUS IS 250 2014 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
LEXUS IS 350 2014 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
LEXUS GS 350 2013 062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY

Related LEXUS Recalls

CampaignModelYearComponentSummary
GS 2017 FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2015-2...
RC 2021 FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2015-2...
IS 2022 FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2015-2...
RC 2020 FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2015-2...
RC 2022 FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2015-2...

What Should You Do?

If your vehicle is affected by this TSB, contact your authorized LEXUS dealer. Bring this bulletin ID (L-TT-0282-20) when you visit. If under warranty, the repair should be free. If your warranty has expired, ask about goodwill coverage — manufacturers sometimes cover TSB-related repairs beyond the warranty period.

Frequently Asked Questions

A recall is a mandatory safety fix — the manufacturer must repair every affected vehicle for free. A TSB is an advisory document that describes a known issue and the recommended fix, but repairs are not required. However, some TSBs eventually lead to recalls if the issue poses a safety risk. TSBs are generally issued for quality or performance problems, while recalls address safety defects.

If your vehicle is still under the manufacturer's warranty, TSB-related repairs are typically covered at no cost. If your warranty has expired, you can ask the dealer about goodwill or customer assistance programs. Many manufacturers will cover or partially cover repairs for well-known issues, especially if the TSB was issued recently or affects a large number of vehicles.

Check the make, model, and model year listed above against your vehicle. If they match, this bulletin likely applies. However, TSBs may only affect vehicles with specific production dates, VIN ranges, or configurations. Your dealer can confirm by entering your VIN into their service system, which will show all applicable TSBs and recalls.

This data comes from the National Highway Traffic Safety Administration (NHTSA). Manufacturers are required to submit copies of all communications (including TSBs) sent to their dealers to NHTSA. The agency makes this data publicly available as part of its vehicle safety monitoring program.