2023 Lexus IS Technical Service Bulletins

58 technical service bulletins (TSBs) are on record for the 2023 Lexus IS. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10247804Nov 15, 2023Engine cooling. TSB: Some 2019 ? 2023 model year ES 350, 2018 ? 2023 model year IS 350, IS 300, RC 350, RC 300, 2016 ? 2022 model year RX 350, and 2016 ? 2020 model year GS 350 vehicles equipped with a 2GR-FKS engine may exhibit a knocking noise from the vacuum pump at idle. Follow the Repair Procedure in this bulletin to improve this condition.
• 10244114Aug 21, 2023Other or unknown. TSB: The air conditioning dye injection tool kit has been developed to aid in identifying the location of air conditioning refrigerant leaks. Follow the procedures outlined in this service bulletin to aid in locating, inspecting, and repairing refrigerant leaks.
• 10244110Aug 17, 2023Other or unknown. TT: A very small percentage of customers experience operational difficulties with some telematics features which they cannot resolve on their own. These resources, in conjunction with the Repair Manual, are for dealership personnel to assist those customers with user issues, user errors, and compatibility issues with other vehicle systems and external applications encountered while operating telematics features.
• 10241386Jul 3, 2023Wheels. TSB: Some 2021 ? 2024 model year Lexus vehicles use hub bolts in place of studs/nuts to fasten the wheels to the vehicle. If non-compatible wheels or hub bolts/nuts are installed, there is increased risk that the wheel(s) could come off resulting in a crash. This service bulletin outlines the physical differences and precautions that should be taken when servicing different wheel and wheel fastener types.
• 10240061Jun 15, 2023Electrical system. TI: TECHNICAL INSTRUCTIONS FOR 23LJ01 Second Key Delivery Program Multiple Models and Model Years
• 10240060Jun 15, 2023Electrical system. RL: The supply of Smart Keys available for Lexus vehicles has been temporarily limited to one (1) on select models since November 2022 due to global semiconductor shortages impacting certain microchips. Affected vehicles have been delivered with only one Smart Key and a second mechanical key.
• 10240059Jun 15, 2023Electrical system. DP: The subject vehicles were delivered with only one (1) Smart Key on select models since October 2022 due to a global semiconductor shortage impacting certain microchips. The affected vehicles were delivered with one (1) Smart Key and a second mechanical key.
• 10235214Feb 9, 2023Equipment. TSB: Long-term or off-site storage requires special care to keep vehicles factory fresh and ready for delivery. The following guidelines should be performed to minimize vehicle component/part degradation due to extended vehicle storage conditions. Long-term storage can affect a vehicle?s systems and components. Any problems that are found should be corrected immediately.

← All problems reported for the 2023 Lexus IS