Technical Service Bulletins (TSBs) for the 2023 IS 500 are official communications between Lexus & their dealerships that describe processes for troubleshooting or fixing certain common problems. All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.

    ENGINE AND ENGINE COOLING

    • TSB #LSB006023

      Date Announced:
      NOV 15, 2023
      NHTSA ID:
      #10247804

      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 ... Read More »

    ELECTRICAL SYSTEM

    • TSB #23LJ01P4

      Date Announced:
      NOV 20, 2023
      NHTSA ID:
      #10247821

      RL: The supply of Smart Keys available for Lexus vehicles has been temporarily limited to one (1) on select models since October 2022 due to global semiconductor shortages impacting certain microchips. Read More »

    ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER

    • TSB #23LJ01_P5_Dealer

      Date Announced:
      MAR 12, 2024
      NHTSA ID:
      #10253236

      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. Read More »

    • TSB #Lexus Second Key

      Date Announced:
      MAR 12, 2024
      NHTSA ID:
      #10253237

      The table describes the phases currently planned for the Second Key Delivery Program and the estimated timing of announcement. This table will be updated over time as more details become available. Read More »

    • TSB #23LJ01

      Date Announced:
      NOV 21, 2023
      NHTSA ID:
      #10247825

      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. Read More »

    • TSB #23LJ01P4A

      Date Announced:
      NOV 21, 2023
      NHTSA ID:
      #10247826

      TI: TECHNICAL INSTRUCTIONS FOR 23LJ01 Second Key Delivery Program Multiple Models and Model Years Read More »

    • TSB #23LJ01P4

      Date Announced:
      NOV 20, 2023
      NHTSA ID:
      #10247821

      RL: The supply of Smart Keys available for Lexus vehicles has been temporarily limited to one (1) on select models since October 2022 due to global semiconductor shortages impacting certain microchips. Read More »

    • TSB #23LJ01

      Date Announced:
      JUN 15, 2023
      NHTSA ID:
      #10240059

      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. Read More »

    • TSB #23LJ01-1

      Date Announced:
      JUN 15, 2023
      NHTSA ID:
      #10240060

      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. Read More »

    • TSB #23LJ01-2

      Date Announced:
      JUN 15, 2023
      NHTSA ID:
      #10240061

      TI: TECHNICAL INSTRUCTIONS FOR 23LJ01 Second Key Delivery Program Multiple Models and Model Years Read More »

    STRUCTURE

    • TSB #L-SB-0010-24

      Date Announced:
      MAR 06, 2024
      NHTSA ID:
      #10253226

      TSB: Some 2022 ? 2024 model year IS 500 vehicles may exhibit a left front (driver?s side) front bumper popped out near the fender and headlight area. Read More »

    WHEELS

    • TSB #L-SB-0037-23

      Date Announced:
      JUL 03, 2023
      NHTSA ID:
      #10241386

      TSB: Some 2021 ? 2024 model year Lexus vehicles use hub bolts in place of studs/nuts to fasten the wheels to the vehicle. Read More »

    COMMUNICATION:MANUFACTURER TELEMATICS

    • TSB #LTT032623

      Date Announced:
      AUG 17, 2023
      NHTSA ID:
      #10244110

      TT: A very small percentage of customers experience operational difficulties with some telematics features which they cannot resolve on their own. Read More »

    EQUIPMENT

    • TSB #LSB003022

      Date Announced:
      FEB 09, 2023
      NHTSA ID:
      #10235214

      TSB: Long-term or off-site storage requires special care to keep vehicles factory fresh and ready for delivery. Read More »

    UNKNOWN OR OTHER

    • TSB #LSB004323

      Date Announced:
      AUG 21, 2023
      NHTSA ID:
      #10244114

      TSB: The air conditioning dye injection tool kit has been developed to aid in identifying the location of air conditioning refrigerant leaks. Read More »

    • TSB #LTT032623

      Date Announced:
      AUG 17, 2023
      NHTSA ID:
      #10244110

      TT: A very small percentage of customers experience operational difficulties with some telematics features which they cannot resolve on their own. Read More »