Technical Service Bulletins (TSBs) for the 2021 UX 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.

    ELECTRICAL SYSTEM

    • TSB #LSB005523

      Date Announced:
      NOV 01, 2023
      NHTSA ID:
      #10247795

      TSB: Some 2018 ? 2024 model year Lexus vehicles may exhibit a hybrid system warning lamp occurring in below-freezing temperatures (below 32?F or 0?C). Read More »

    • TSB #LSB005523

      Date Announced:
      NOV 01, 2023
      NHTSA ID:
      #10247795

      TSB: Some 2018 ? 2024 model year Lexus vehicles may exhibit a hybrid system warning lamp occurring in below-freezing temperatures (below 32?F or 0?C). 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 »

    • 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 »

    • 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:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)

    • TSB #LSB005722

      Date Announced:
      FEB 20, 2024
      NHTSA ID:
      #10252258

      TSB: Some 2018 ? 2022 model year Lexus vehicles equipped with the Enform? 2.0 Navigation System, require a Special Service Tool (SST) USB flash drive to update the map, points of interest, and system software. Read More »

    • TSB #LSB005722

      Date Announced:
      FEB 20, 2024
      NHTSA ID:
      #10252258

      TSB: Some 2018 ? 2022 model year Lexus vehicles equipped with the Enform? 2.0 Navigation System, require a Special Service Tool (SST) USB flash drive to update the map, points of interest, and system software. Read More »

    UNKNOWN OR OTHER

    • TSB #LSB005722

      Date Announced:
      FEB 20, 2024
      NHTSA ID:
      #10252258

      TSB: Some 2018 ? 2022 model year Lexus vehicles equipped with the Enform? 2.0 Navigation System, require a Special Service Tool (SST) USB flash drive to update the map, points of interest, and system software. Read More »

    • TSB #LSB005722

      Date Announced:
      FEB 20, 2024
      NHTSA ID:
      #10252258

      TSB: Some 2018 ? 2022 model year Lexus vehicles equipped with the Enform? 2.0 Navigation System, require a Special Service Tool (SST) USB flash drive to update the map, points of interest, and system software. Read More »

    • 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 #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 »

    • 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 »