Lexus CT Hybrid 2012–2025 — technical service bulletin
Bulletin L-SB-0043-23 Rev1 · NHTSA communication 11020656 · issued Jun 13, 2025
Technical service bulletin
communication type
Electrical System
component
2012–2025
model years
60
vehicle entries
Official summary
The air conditioning dye injection tool kit has been developed to aid in identifying the location of air conditioning refrigerant leaks. The procedures outlined in this Service Bulletin aid in locating, inspecting, and repairing refrigerant leaks.
Vehicles covered
- 2013 Lexus CT Hybrid
- 2014 Lexus CT Hybrid
- 2015 Lexus CT Hybrid
- 2016 Lexus CT Hybrid
- 2017 Lexus CT Hybrid
- 2018 Lexus CT Hybrid
- 2013 Lexus ES
- 2014 Lexus ES
- 2015 Lexus ES
- 2016 Lexus ES
- 2017 Lexus ES
- 2018 Lexus ES
- 2019 Lexus ES
- 2020 Lexus ES
- 2021 Lexus ES
- 2022 Lexus ES
- 2023 Lexus ES
- 2024 Lexus ES
- 2025 Lexus ES
- 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
- 2021 Lexus ES Hybrid
- 2022 Lexus ES Hybrid
- 2023 Lexus ES Hybrid
- 2024 Lexus ES Hybrid
- 2025 Lexus ES Hybrid
- 2013 Lexus GS
- 2014 Lexus GS
- 2015 Lexus GS
- 2016 Lexus GS
- 2017 Lexus GS
- 2018 Lexus GS
- 2019 Lexus GS
- 2020 Lexus GS
- 2013 Lexus GS Hybrid
- 2014 Lexus GS Hybrid
- 2015 Lexus GS Hybrid
- 2016 Lexus GS Hybrid
- 2017 Lexus GS Hybrid
- 2018 Lexus GS Hybrid
- 2013 Lexus GX
- 2014 Lexus GX
- 2015 Lexus GX
- 2016 Lexus GX
- 2017 Lexus GX
- 2018 Lexus GX
- 2019 Lexus GX
- 2020 Lexus GX
- 2021 Lexus GX
- 2022 Lexus GX
- 2023 Lexus GX
- 2024 Lexus GX
- 2025 Lexus GX
- 2013 Lexus IS
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.