Technical Service Bulletins (TSBs) for the 2019 NX 300h 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.

    SERVICE BRAKES, HYDRAULIC

    • TSB #23LE02

      Date Announced:
      FEB 09, 2023
      NHTSA ID:
      #10235220

      DL: On December 20, 2022, a settlement of claims for certain low pressure fuel pumps was approved by the federal court. Read More »

    FUEL SYSTEM, GASOLINE

    • TSB #L-SB-0039-20

      Date Announced:
      OCT 16, 2020
      NHTSA ID:
      #10183269

      TSB: This Service Bulletin provides updated non-electric water pump leak inspection and diagnostic tips for some 2008 ? 2021 model year Lexus vehicles. Read More »

    ELECTRICAL SYSTEM:SOFTWARE

    • TSB #L-SB-0020-19 Rev

      Date Announced:
      AUG 12, 2020
      NHTSA ID:
      #10179766

      TSB: Some 2018 ? 2020 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 »

    AIR BAGS

    • TSB #23LE02

      Date Announced:
      FEB 09, 2023
      NHTSA ID:
      #10235220

      DL: On December 20, 2022, a settlement of claims for certain low pressure fuel pumps was approved by the federal court. Read More »

    • TSB #L-SB-0004-22

      Date Announced:
      FEB 24, 2022
      NHTSA ID:
      #10209023

      TSB: Some 2005 ? 2022 model year Lexus vehicles that have undergone water intrusion may exhibit a condition in which a musty smell is present. Follow the procedures in this bulletin to remediate the odor and address this condition. Read More »

    • TSB #Lexus Safety Re

      Date Announced:
      MAR 31, 2021
      NHTSA ID:
      #10190468

      Lexus Safety Recall and Service Campaign - Technician Certification Requirements Read More »

    TIRES

    • TSB #Lexus PRO19-02 -

      Date Announced:
      JAN 12, 2022
      NHTSA ID:
      #10207945

      POL: This consolidated Tire Warranty Guide contains the complete warranty terms for all brands of ground and spare tires currently in use by Lexus. Read More »

    • TSB #Lexus PRO19-02 -

      Date Announced:
      JAN 12, 2022
      NHTSA ID:
      #10207945

      POL: This consolidated Tire Warranty Guide contains the complete warranty terms for all brands of ground and spare tires currently in use by Lexus. Read More »

    WHEELS

    • TSB #Lexus PRO19-02 -

      Date Announced:
      JAN 12, 2022
      NHTSA ID:
      #10207945

      POL: This consolidated Tire Warranty Guide contains the complete warranty terms for all brands of ground and spare tires currently in use by Lexus. Read More »

    • TSB #Lexus PRO19-02 -

      Date Announced:
      JAN 12, 2022
      NHTSA ID:
      #10207945

      POL: This consolidated Tire Warranty Guide contains the complete warranty terms for all brands of ground and spare tires currently in use by Lexus. 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 #Safety Recall 22

      Date Announced:
      APR 13, 2022
      NHTSA ID:
      #10214355

      Lexus Safety Recall and Service Campaign - Technician Certification Requirements 4.13.2022 Read More »

    • TSB #Safety Recall 22

      Date Announced:
      APR 13, 2022
      NHTSA ID:
      #10214355

      Lexus Safety Recall and Service Campaign - Technician Certification Requirements 4.13.2022 Read More »

    • TSB #L-SB-0020-19 Rev

      Date Announced:
      AUG 12, 2020
      NHTSA ID:
      #10179766

      TSB: Some 2018 ? 2020 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 #Lexus Safety Re

      Date Announced:
      MAY 01, 2020
      NHTSA ID:
      #10176283

      Safety Recall and Service Campaign - Technician Certification Requirements Read More »

    • TSB #L-SB-0003-20

      Date Announced:
      FEB 06, 2020
      NHTSA ID:
      #10172825

      TSB: Some 2006 ? 2020 model year Lexus vehicles may exhibit odors that naturally occur from the HVAC system and/or related environmental factors. Read More »

    EQUIPMENT:ELECTRICAL

    • TSB #L-SB-0020-19 Rev

      Date Announced:
      AUG 12, 2020
      NHTSA ID:
      #10179766

      TSB: Some 2018 ? 2020 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 »

    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 #L-SB-0020-19 Rev

      Date Announced:
      AUG 12, 2020
      NHTSA ID:
      #10179766

      TSB: Some 2018 ? 2020 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 »

    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    • TSB #Lexus PRO19-02 -

      Date Announced:
      JAN 12, 2022
      NHTSA ID:
      #10207945

      POL: This consolidated Tire Warranty Guide contains the complete warranty terms for all brands of ground and spare tires currently in use by Lexus. Read More »

    • TSB #Lexus PRO19-02 -

      Date Announced:
      JAN 12, 2022
      NHTSA ID:
      #10207945

      POL: This consolidated Tire Warranty Guide contains the complete warranty terms for all brands of ground and spare tires currently in use by Lexus. Read More »

    • TSB #Lexus PRO21-UFRM

      Date Announced:
      MAY 24, 2021
      NHTSA ID:
      #10198149

      POL: UPDATES TO THE 2014-2021 LEXUS UNIVERSAL FLAT RATE MANUAL Read More »

    • TSB #Lexus PRO21-UFRM

      Date Announced:
      MAY 24, 2021
      NHTSA ID:
      #10198149

      POL: UPDATES TO THE 2014-2021 LEXUS UNIVERSAL FLAT RATE MANUAL Read More »

    EQUIPMENT:APPLIANCE:AIR CONDITIONER

    • TSB #L-SB-0024-21

      Date Announced:
      JUL 26, 2021
      NHTSA ID:
      #10201401

      TSB: Some 2007 ? 2022 model year Lexus vehicles in particular geographic areas may exhibit a condition where the HVAC evaporator drain hose has become obstructed with an insect nest. 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 #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 »