2023 Lexus RX 350H

43 Technical Service Bulletins (TSBs)

TSB List for the 2023 Lexus RX 350H

Technical Service Bulletins (TSBs) for the 2023 RX 350H 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
  • ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
  • FUEL SYSTEM, GASOLINE
  • POWER TRAIN
  • POWER TRAIN:AXLE ASSEMBLY
  • ELECTRICAL SYSTEM
  • ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER
  • ELECTRICAL SYSTEM:SOFTWARE
  • WHEELS
  • FORWARD COLLISION AVOIDANCE
  • COMMUNICATION:MANUFACTURER TELEMATICS
  • EQUIPMENT:ELECTRICAL
  • EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)
  • EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
  • UNKNOWN OR OTHER
  • ENGINE AND ENGINE COOLING

    • TSB #LSB005923

      Date Announced:
      NOV 08, 2023
      NHTSA ID:
      #10247801

      TSB: Some 2023 model year RX 500h vehicles may exhibit a vibration or shudder sensation from the transmission in Drive and/or Reverse at speeds under 8mph (13kph). Read More »

    ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

    • TSB #LSB005623

      Date Announced:
      NOV 02, 2023
      NHTSA ID:
      #10247797

      TSB: Some 2023 model year RX 350 vehicles may exhibit one or both of the following conditions: ?Hesitation when accelerating from a stop. ?Non-linear acceleration from a stop or rolling stop with steady throttle. Read More »

    FUEL SYSTEM, GASOLINE

    • TSB #L-SB-0052-23

      Date Announced:
      OCT 20, 2023
      NHTSA ID:
      #10245477

      TSB: Some 2023 model year RX 500h vehicles may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) P2C9000 (Crankcase Ventilation System - Hose A Disconnected) present without any related hoses disconnected. Read More »

    POWER TRAIN

    • TSB #LSB005923

      Date Announced:
      NOV 08, 2023
      NHTSA ID:
      #10247801

      TSB: Some 2023 model year RX 500h vehicles may exhibit a vibration or shudder sensation from the transmission in Drive and/or Reverse at speeds under 8mph (13kph). Read More »

    • TSB #L-TT-0328-23 Rev

      Date Announced:
      OCT 06, 2023
      NHTSA ID:
      #10245452

      TT: Some 2023MY RX500h may require a transaxle and transmission control module (TCU) replacement for low-speed vibration from Transaxle and/or DTC for P084000/P084087. Read More »

    POWER TRAIN:AXLE ASSEMBLY

    • TSB #L-TT-0328-23 Rev

      Date Announced:
      OCT 06, 2023
      NHTSA ID:
      #10245452

      TT: Some 2023MY RX500h may require a transaxle and transmission control module (TCU) replacement for low-speed vibration from Transaxle and/or DTC for P084000/P084087. Read More »

    ELECTRICAL SYSTEM

    • TSB #L-SB-0006-23

      Date Announced:
      JAN 26, 2024
      NHTSA ID:
      #10251079

      TSB: A head unit software update is now available for 2022 model year LX 600, NX 250, NX 350, NX 350h, and NX 450h+ vehicles equipped with Lexus Multimedia (version 1020 or earlier). 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 #LSB005623

      Date Announced:
      NOV 02, 2023
      NHTSA ID:
      #10247797

      TSB: Some 2023 model year RX 350 vehicles may exhibit one or both of the following conditions: ?Hesitation when accelerating from a stop. ?Non-linear acceleration from a stop or rolling stop with steady throttle. 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 »

    • TSB #23LD03_Dealer Pa

      Date Announced:
      OCT 24, 2023
      NHTSA ID:
      #10245482

      DP: The subject vehicles are equipped with a Data Communication Module (DCM) which supports the use of connected service utilities such as Roadside Assistance, Automatic Collision Notification, and Emergency Assistance (SOS). Read More »

    • TSB #L-SB-0052-23

      Date Announced:
      OCT 20, 2023
      NHTSA ID:
      #10245477

      TSB: Some 2023 model year RX 500h vehicles may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) P2C9000 (Crankcase Ventilation System - Hose A Disconnected) present without any related hoses disconnected. Read More »

    • TSB #L-SB-0048-23

      Date Announced:
      OCT 13, 2023
      NHTSA ID:
      #10245464

      TSB: Some 2023 model year RX 350 vehicles equipped with a T24A-FTS engine may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) P05CE00 (Cold Start ?B? Camshaft Position Timing Performance Bank 1). Read More »

    • TSB #23TJ01d

      Date Announced:
      AUG 29, 2023
      NHTSA ID:
      #10244131

      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 #LTT-0322-23

      Date Announced:
      JUN 01, 2023
      NHTSA ID:
      #10240046

      TT: Vehicle may exhibit one or all in combination of the following DTC U115687 or U11B900 or U11B987 or U11BF87 shortly after short pin installed during PDS/PDI. Read More »

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

    • TSB #23LJ01_P5_Dealer

      Date Announced:
      DEC 21, 2024
      NHTSA ID:
      #10248824

      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 #23LJ01P5_RL_Publ

      Date Announced:
      DEC 21, 2024
      NHTSA ID:
      #10248825

      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 #23LJ01P5_TI_Publ

      Date Announced:
      DEC 21, 2024
      NHTSA ID:
      #10248826

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

    • 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 #Dealer Packet pu

      Date Announced:
      JAN 31, 2024
      NHTSA ID:
      #10251082

      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 #Vehicle Eligibil

      Date Announced:
      JAN 31, 2024
      NHTSA ID:
      #10251083

      The table describes the phases currently planned for the Second Key Delivery Program and the estimated timing of announcement. This table will be updated during each phase launch and 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_Dealer Pa

      Date Announced:
      OCT 12, 2023
      NHTSA ID:
      #10245460

      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 #23LJ01P3_RL_fina

      Date Announced:
      OCT 11, 2023
      NHTSA ID:
      #10245456

      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 #23TJ01c

      Date Announced:
      AUG 29, 2023
      NHTSA ID:
      #10244130

      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 #23TJ01e

      Date Announced:
      AUG 29, 2023
      NHTSA ID:
      #10244132

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

    ELECTRICAL SYSTEM:SOFTWARE

    • TSB #L-SB-0006-23

      Date Announced:
      JAN 26, 2024
      NHTSA ID:
      #10251079

      TSB: A head unit software update is now available for 2022 model year LX 600, NX 250, NX 350, NX 350h, and NX 450h+ vehicles equipped with Lexus Multimedia (version 1020 or earlier). Read More »

    • TSB #23LJ01_Dealer Pa

      Date Announced:
      OCT 12, 2023
      NHTSA ID:
      #10245460

      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 »

    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 »

    FORWARD COLLISION AVOIDANCE

    • TSB #23LD03_Dealer Pa

      Date Announced:
      OCT 24, 2023
      NHTSA ID:
      #10245482

      DP: The subject vehicles are equipped with a Data Communication Module (DCM) which supports the use of connected service utilities such as Roadside Assistance, Automatic Collision Notification, and Emergency Assistance (SOS). 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:ELECTRICAL

    • TSB #23LJ01P3_TI_fina

      Date Announced:
      OCT 12, 2023
      NHTSA ID:
      #10245461

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

    EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)

    • TSB #LTT-0324-23

      Date Announced:
      JUN 20, 2023
      NHTSA ID:
      #10240067

      TT: Some customers and technicians have reported the presence of bubbling, scratching, peeling or imperfections on the navigation display screen Read More »

    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    • TSB #23LJ01P5_RL_Publ

      Date Announced:
      DEC 21, 2024
      NHTSA ID:
      #10248825

      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 #23LJ01P5_TI_Publ

      Date Announced:
      DEC 21, 2024
      NHTSA ID:
      #10248826

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

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