TSB List for the 2024 Toyota bZ4X

Technical Service Bulletins (TSBs) for the 2024 bZ4X are official communications between Toyota & 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:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER
  • UNKNOWN OR OTHER
  • ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER

    • TSB #23TJ01_P5_Dealer

      Date Announced:
      MAR 12, 2024
      NHTSA ID:
      #10253234

      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 #Toyota Second Ke

      Date Announced:
      MAR 12, 2024
      NHTSA ID:
      #10253235

      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 #Dealer Packet

      Date Announced:
      JAN 31, 2024
      NHTSA ID:
      #10251080

      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 #Current Phase Ti

      Date Announced:
      JAN 31, 2024
      NHTSA ID:
      #10251081

      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 »

    UNKNOWN OR OTHER

    • TSB #23TJ01_P5_Dealer

      Date Announced:
      MAR 01, 2024
      NHTSA ID:
      #10253219

      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 #23TJ01 Current P

      Date Announced:
      MAR 01, 2024
      NHTSA ID:
      #10253220

      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 »

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