TSB List for the 2023 Toyota Mirai

Technical Service Bulletins (TSBs) for the 2023 Mirai 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.

  • SUSPENSION
  • ENGINE AND ENGINE COOLING
  • ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE
  • HYBRID PROPULSION SYSTEM
  • ELECTRICAL SYSTEM
  • ELECTRICAL SYSTEM:12V/24V/48V BATTERY
  • ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER
  • ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
  • ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
  • VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:REFRIGERANT HOSES AND FITTINGS
  • AIR BAGS
  • STRUCTURE
  • VEHICLE SPEED CONTROL
  • WHEELS
  • TRAILER HITCHES
  • ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)
  • BACK OVER PREVENTION
  • COMMUNICATION
  • COMMUNICATION:MANUFACTURER TELEMATICS
  • EQUIPMENT
  • EQUIPMENT:ELECTRICAL:INFOTAINMENT
  • EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE
  • EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
  • EQUIPMENT ADAPTIVE/MOBILITY
  • UNKNOWN OR OTHER
  • SUSPENSION

    • TSB #TSB004723

      Date Announced:
      NOV 14, 2023
      NHTSA ID:
      #10247807

      TSB: Some 2021 ? 2023 model Mirai vehicles may exhibit a creaking or clicking type noise from the rear suspension member. This condition may occur when braking or when driving over speed bumps and uneven surfaces. Read More »

    • TSB #T-SB-0047-23

      Date Announced:
      JUL 25, 2023
      NHTSA ID:
      #10241405

      TSB: Some 2021 ? 2023 model Mirai vehicles may exhibit a creaking or clicking type noise from the rear suspension member. This condition may occur when braking or when driving over speed bumps and uneven surfaces. Read More »

    ENGINE AND ENGINE COOLING

    • TSB #T-SB-0047-23

      Date Announced:
      JUL 25, 2023
      NHTSA ID:
      #10241405

      TSB: Some 2021 ? 2023 model Mirai vehicles may exhibit a creaking or clicking type noise from the rear suspension member. This condition may occur when braking or when driving over speed bumps and uneven surfaces. Read More »

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

    • TSB #T-SB-0107-20

      Date Announced:
      JUL 25, 2023
      NHTSA ID:
      #10241404

      TSB: Flash reprogramming allows the Electronic Control Unit (ECU) software to be updated without replacing the ECU. Read More »

    HYBRID PROPULSION SYSTEM

    • TSB #T-SB-0033-22 Rev

      Date Announced:
      AUG 18, 2022
      NHTSA ID:
      #10220238

      TSB: Hybrid vehicles are equipped with two types of batteries: ?Hybrid vehicle (HV) battery. ?Auxiliary (12V) battery. Read More »

    ELECTRICAL SYSTEM

    • TSB #TSB008523A

      Date Announced:
      NOV 17, 2023
      NHTSA ID:
      #10247820

      TSB: Some 2016 ? 2023 model year Toyota vehicles may exhibit a hybrid system warning lamp occurring in below-freezing temperatures (below 32?F or 0?C). Read More »

    • TSB #TSB008523

      Date Announced:
      NOV 01, 2023
      NHTSA ID:
      #10247796

      TSB: Some 2016 ? 2023 model year Toyota vehicles may exhibit a hybrid system warning lamp occurring in below-freezing temperatures (below 32?F or 0?C). Read More »

    ELECTRICAL SYSTEM:12V/24V/48V BATTERY

    • TSB #T-SB-0033-22 Rev

      Date Announced:
      NOV 22, 2022
      NHTSA ID:
      #10227923

      TSB: Hybrid vehicles are equipped with two types of batteries: ?Hybrid vehicle (HV) battery. ?Auxiliary (12V) battery. Read More »

    • TSB #T-SB-0032-22 Rev

      Date Announced:
      JUL 22, 2022
      NHTSA ID:
      #10217803

      TSB: A battery in a stored vehicle is subject to conditions that can reduce its performance and service life. These conditions include storage period, temperature, parasitic drain, and battery load. Read More »

    • TSB #T-SB-0032-22

      Date Announced:
      APR 01, 2022
      NHTSA ID:
      #10211786

      TSB: A battery in a stored vehicle is subject to conditions that can reduce its performance and service life. These conditions include storage period, temperature, parasitic drain, and battery load. Read More »

    • TSB #T-SB-0033-22

      Date Announced:
      APR 01, 2022
      NHTSA ID:
      #10211787

      TSB: Hybrid vehicles are equipped with two types of batteries: ?Hybrid vehicle (HV) battery. ?Auxiliary (12V) battery. Read More »

    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 #23TJ01

      Date Announced:
      JUN 15, 2023
      NHTSA ID:
      #10240062

      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 #23TJ01-1

      Date Announced:
      JUN 15, 2023
      NHTSA ID:
      #10240063

      RL: The supply of Smart Keys available for Toyota 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 #23TJ01-2

      Date Announced:
      JUN 15, 2023
      NHTSA ID:
      #10240064

      TI: TECHNICAL INSTRUCTIONS FOR 23TJ01 Second Key Delivery Program Read More »

    ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY

    • TSB #T-SB-0033-22

      Date Announced:
      APR 01, 2022
      NHTSA ID:
      #10211787

      TSB: Hybrid vehicles are equipped with two types of batteries: ?Hybrid vehicle (HV) battery. ?Auxiliary (12V) battery. Read More »

    ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT

    • TSB #TSB008523A

      Date Announced:
      NOV 17, 2023
      NHTSA ID:
      #10247820

      TSB: Some 2016 ? 2023 model year Toyota vehicles may exhibit a hybrid system warning lamp occurring in below-freezing temperatures (below 32?F or 0?C). Read More »

    VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:REFRIGERANT HOSES AND FITTINGS

    • TSB #TSB005823

      Date Announced:
      AUG 21, 2023
      NHTSA ID:
      #10244115

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

    AIR BAGS

    • TSB #TSB003220

      Date Announced:
      AUG 17, 2023
      NHTSA ID:
      #10244113

      TSB: Replacement certification labels (the vinyl label installed on the driver door or door post) and VIN plates (the metal plate riveted to dashboard) (see Figure 1) for most 1979 ? 2023 model year vehicles may be available provided the ... Read More »

    • TSB #T-SB-0029-22 Rev

      Date Announced:
      NOV 22, 2022
      NHTSA ID:
      #10227925

      TSB: 2023 model year Toyota vehicles are equipped with driver side floor mat retainers to secure the floor mat in the correct position. In addition, some models may also utilize retainers for passenger side and rear seat floor mats. Read More »

    • TSB #T-SB-0029-22

      Date Announced:
      MAR 29, 2022
      NHTSA ID:
      #10210381

      TSB: 2023 model year Toyota vehicles are equipped with driver side floor mat retainers to secure the floor mat in the correct position. In addition, some models may also utilize retainers for passenger side and rear seat floor mats. Read More »

    STRUCTURE

    • TSB #T-SB-0109-22

      Date Announced:
      DEC 14, 2022
      NHTSA ID:
      #10230366

      TSB: Pre-Delivery Service (PDS) is a critical step in satisfying our new car customers. Customer feedback indicates the following areas deserve special attention when performing PDS: ?Careful inspection for paint chips/scratches and ... Read More »

    VEHICLE SPEED CONTROL

    • TSB #TSB003220

      Date Announced:
      AUG 17, 2023
      NHTSA ID:
      #10244113

      TSB: Replacement certification labels (the vinyl label installed on the driver door or door post) and VIN plates (the metal plate riveted to dashboard) (see Figure 1) for most 1979 ? 2023 model year vehicles may be available provided the ... Read More »

    WHEELS

    • TSB #T-SB-0042-23

      Date Announced:
      JUL 03, 2023
      NHTSA ID:
      #10241387

      TSB: Some 2023 ? 2024 model year Toyota vehicles use hub bolts in place of studs/nuts to fasten the wheels to the vehicle. Read More »

    • TSB #T-SB-0105-22

      Date Announced:
      NOV 28, 2022
      NHTSA ID:
      #10227901

      TSB: During the manufacturing process, tires are mounted on the vehicle as matched sets to help reduce conditions such as pulling or drifting. Read More »

    • TSB #T-SB-0031-22 Rev

      Date Announced:
      AUG 31, 2022
      NHTSA ID:
      #10220209

      TSB: During the manufacturing process, tires are mounted on the vehicle as matched sets to help reduce conditions such as pulling or drifting. Read More »

    • TSB #T-SB-0031-22 Rev

      Date Announced:
      JUL 21, 2022
      NHTSA ID:
      #10217802

      TSB: During the manufacturing process, tires are mounted on the vehicle as matched sets to help reduce conditions such as pulling or drifting. Read More »

    TRAILER HITCHES

    • TSB #T-SB-0105-22

      Date Announced:
      NOV 28, 2022
      NHTSA ID:
      #10227901

      TSB: During the manufacturing process, tires are mounted on the vehicle as matched sets to help reduce conditions such as pulling or drifting. Read More »

    ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)

    • TSB #T-SB-0047-23

      Date Announced:
      JUL 25, 2023
      NHTSA ID:
      #10241405

      TSB: Some 2021 ? 2023 model Mirai vehicles may exhibit a creaking or clicking type noise from the rear suspension member. This condition may occur when braking or when driving over speed bumps and uneven surfaces. Read More »

    BACK OVER PREVENTION

    • TSB #T-SB-0047-23

      Date Announced:
      JUL 25, 2023
      NHTSA ID:
      #10241405

      TSB: Some 2021 ? 2023 model Mirai vehicles may exhibit a creaking or clicking type noise from the rear suspension member. This condition may occur when braking or when driving over speed bumps and uneven surfaces. Read More »

    COMMUNICATION

    • TSB #T-SB-0032-22 Obs

      Date Announced:
      NOV 28, 2022
      NHTSA ID:
      #10227902

      OBSOLETE NOTICE November 28, 2022: This bulletin is now obsolete. Please see T-SB-0104-22. Read More »

    • TSB #T-SB-0031-22 Obs

      Date Announced:
      NOV 28, 2022
      NHTSA ID:
      #10227903

      OBSOLETE NOTICE November 28, 2022: This bulletin is now obsolete. Please see T-SB-0105-22 Read More »

    COMMUNICATION:MANUFACTURER TELEMATICS

    • TSB #TTT073723

      Date Announced:
      AUG 17, 2023
      NHTSA ID:
      #10244111

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

    • TSB #TTT069522

      Date Announced:
      MAY 13, 2022
      NHTSA ID:
      #10220154

      TT: To improve customer support of telematics connected services features, additional resources have been provided in the Service Lane - Knowledge Center. Read More »

    EQUIPMENT

    • TSB #TSB003220

      Date Announced:
      AUG 17, 2023
      NHTSA ID:
      #10244113

      TSB: Replacement certification labels (the vinyl label installed on the driver door or door post) and VIN plates (the metal plate riveted to dashboard) (see Figure 1) for most 1979 ? 2023 model year vehicles may be available provided the ... Read More »

    • TSB #T-SB-0109-22

      Date Announced:
      DEC 14, 2022
      NHTSA ID:
      #10230366

      TSB: Pre-Delivery Service (PDS) is a critical step in satisfying our new car customers. Customer feedback indicates the following areas deserve special attention when performing PDS: ?Careful inspection for paint chips/scratches and ... Read More »

    • TSB #T-SB-0104-22

      Date Announced:
      NOV 28, 2022
      NHTSA ID:
      #10227900

      TSB: A battery in a stored vehicle is subject to conditions that can reduce its performance and service life. These conditions include storage period, temperature, parasitic drain, and battery load. Read More »

    • TSB #T-SB-0036-22 Rev

      Date Announced:
      NOV 22, 2022
      NHTSA ID:
      #10227926

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

    • TSB #T-SB-0032-22 Rev

      Date Announced:
      SEP 12, 2022
      NHTSA ID:
      #10224168

      TSB: A battery in a stored vehicle is subject to conditions that can reduce its performance and service life. These conditions include storage period, temperature, parasitic drain, and battery load. Read More »

    • TSB #T-SB-0029-22 Rev

      Date Announced:
      AUG 18, 2022
      NHTSA ID:
      #10220239

      TSB: 2023 model year Toyota vehicles are equipped with driver side floor mat retainers to secure the floor mat in the correct position. In addition, some models may also utilize retainers for passenger side and rear seat floor mats. Read More »

    • TSB #T-SB-0032-22 Rev

      Date Announced:
      JUL 22, 2022
      NHTSA ID:
      #10217803

      TSB: A battery in a stored vehicle is subject to conditions that can reduce its performance and service life. These conditions include storage period, temperature, parasitic drain, and battery load. Read More »

    • TSB #T-SB-0036-22

      Date Announced:
      APR 08, 2022
      NHTSA ID:
      #10211804

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

    EQUIPMENT:ELECTRICAL:INFOTAINMENT

    • TSB #T-SB-0015-24

      Date Announced:
      MAR 18, 2024
      NHTSA ID:
      #10253241

      TSB: A head unit software update is now available for 2023 model year Corolla Cross, Corolla Cross Hybrid, Highlander, Highlander Hybrid, and Mirai vehicles equipped with Toyota Multimedia (earlier than version 2050). Read More »

    EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE

    • TSB #T-SB-0015-24

      Date Announced:
      MAR 18, 2024
      NHTSA ID:
      #10253241

      TSB: A head unit software update is now available for 2023 model year Corolla Cross, Corolla Cross Hybrid, Highlander, Highlander Hybrid, and Mirai vehicles equipped with Toyota Multimedia (earlier than version 2050). Read More »

    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    • TSB #T-SB-0036-22 Rev

      Date Announced:
      AUG 18, 2022
      NHTSA ID:
      #10220240

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

    EQUIPMENT ADAPTIVE/MOBILITY

    • TSB #T-SB-0029-22 Rev

      Date Announced:
      NOV 22, 2022
      NHTSA ID:
      #10227925

      TSB: 2023 model year Toyota vehicles are equipped with driver side floor mat retainers to secure the floor mat in the correct position. In addition, some models may also utilize retainers for passenger side and rear seat floor mats. Read More »

    • TSB #T-SB-0029-22

      Date Announced:
      MAR 29, 2022
      NHTSA ID:
      #10210381

      TSB: 2023 model year Toyota vehicles are equipped with driver side floor mat retainers to secure the floor mat in the correct position. In addition, some models may also utilize retainers for passenger side and rear seat floor mats. Read More »

    UNKNOWN OR OTHER

    • TSB #TTT073723

      Date Announced:
      AUG 17, 2023
      NHTSA ID:
      #10244111

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

    • TSB #T-SB-0029-22

      Date Announced:
      MAR 29, 2022
      NHTSA ID:
      #10210381

      TSB: 2023 model year Toyota vehicles are equipped with driver side floor mat retainers to secure the floor mat in the correct position. In addition, some models may also utilize retainers for passenger side and rear seat floor mats. Read More »

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