TSB List for the 2023 Toyota Sienna Hybrid

Technical Service Bulletins (TSBs) for the 2023 Sienna Hybrid 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.

  • SERVICE BRAKES, HYDRAULIC
  • ENGINE AND ENGINE COOLING
  • ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION
  • ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
  • ENGINE AND ENGINE COOLING:COOLING SYSTEM
  • ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
  • FUEL SYSTEM, GASOLINE
  • HYBRID PROPULSION SYSTEM
  • ELECTRICAL SYSTEM
  • ELECTRICAL SYSTEM:12V/24V/48V BATTERY
  • ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER
  • ELECTRICAL SYSTEM:INSTRUMENT PANEL:FUEL GAUGE
  • ELECTRICAL SYSTEM:SOFTWARE
  • ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
  • ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
  • ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT:POWER CONTROL UNIT/MODULE (HPCU)
  • AIR BAGS
  • WHEELS
  • LANE DEPARTURE
  • COMMUNICATION:MANUFACTURER TELEMATICS
  • EQUIPMENT
  • EQUIPMENT:ELECTRICAL
  • EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
  • EQUIPMENT ADAPTIVE/MOBILITY
  • UNKNOWN OR OTHER
  • SERVICE BRAKES, HYDRAULIC

    • TSB #TSB010421

      Date Announced:
      FEB 15, 2024
      NHTSA ID:
      #10252251

      TSB: Some 2018 ? 2024 model year Toyota vehicles equipped with an A25A-FKS, A25A-FXS, M20A-FKS, or M20A-FXS engine may exhibit one or more of the following conditions: ?Milky/discolored engine oil. Read More »

    ENGINE AND ENGINE COOLING

    • TSB #T-PANT-2024-004-

      Date Announced:
      MAR 04, 2024
      NHTSA ID:
      #10253223

      This is to advise of various price adjustments that will affect Toyota Genuine Motor Oil and Long Life Coolant, effective March 1, 2024. These products are ordered through the Toyota Complete Maintenance Care (TCMC) website. Read More »

    • TSB #22TE09

      Date Announced:
      FEB 28, 2024
      NHTSA ID:
      #10252272

      DP: Although the HV Floor Under Wire Harness and Rear Traction Motor Cable is covered by Toyota?s New Vehicle Limited Warranty for 3 years or 36,000 miles (whichever comes first), we at Toyota care about the customers? ownership experience. Read More »

    • TSB #22TE09b

      Date Announced:
      FEB 28, 2024
      NHTSA ID:
      #10252274

      TI: TECHNICAL INSTRUCTIONS FOR CUSTOMER SUPPORT PROGRAM 22TE09 HV FLOOR UNDER WIRE HARNESS AND REAR TRACTION MOTOR CABLE CORROSION CERTAIN 2021 ? 2022 MODEL YEAR SIENNA HYBRID Read More »

    • TSB #T-TT-0733-23

      Date Announced:
      APR 21, 2023
      NHTSA ID:
      #10236209

      TT: Some 2022-2024 MY vehicles equipped with the A25A engine may exhibit a leak from the engine water pump, and/or MIL On condition accompanied by DTC(s): ?P26CA14 Engine Coolant Pump Circuit Short to Ground or Open ?P26CA31 Engine ... Read More »

    ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION

    • TSB #T-PANT-2024-004-

      Date Announced:
      MAR 04, 2024
      NHTSA ID:
      #10253223

      This is to advise of various price adjustments that will affect Toyota Genuine Motor Oil and Long Life Coolant, effective March 1, 2024. These products are ordered through the Toyota Complete Maintenance Care (TCMC) website. Read More »

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

    • TSB #T-TT-0694-22

      Date Announced:
      MAY 18, 2023
      NHTSA ID:
      #10238144

      TT: After jump-starting, the vehicle may experience a no-start condition and multiple DTCs including U010087. Upon investigation, it is found that the engine ECU has been damaged and needs to be replaced. Read More »

    ENGINE AND ENGINE COOLING:COOLING SYSTEM

    • TSB #TSB010421

      Date Announced:
      FEB 15, 2024
      NHTSA ID:
      #10252251

      TSB: Some 2018 ? 2024 model year Toyota vehicles equipped with an A25A-FKS, A25A-FXS, M20A-FKS, or M20A-FXS engine may exhibit one or more of the following conditions: ?Milky/discolored engine oil. Read More »

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

    • TSB #TSB-0033-23

      Date Announced:
      JUN 08, 2023
      NHTSA ID:
      #10240057

      TSB: Some 2020 ? 2023 model year Highlander Hybrid and 2021 ? 2023 model year RAV4 Hybrid, RAV4 Prime, Sienna Hybrid, and Venza Hybrid vehicles may exhibit a MIL ON condition with one or both of the following Diagnostic Trouble Codes ... Read More »

    FUEL SYSTEM, GASOLINE

    • TSB #TSB-0033-23

      Date Announced:
      JUN 08, 2023
      NHTSA ID:
      #10240057

      TSB: Some 2020 ? 2023 model year Highlander Hybrid and 2021 ? 2023 model year RAV4 Hybrid, RAV4 Prime, Sienna Hybrid, and Venza Hybrid vehicles may exhibit a MIL ON condition with one or both of the following Diagnostic Trouble Codes ... Read More »

    HYBRID PROPULSION SYSTEM

    • TSB #22TE09

      Date Announced:
      FEB 28, 2024
      NHTSA ID:
      #10252272

      DP: Although the HV Floor Under Wire Harness and Rear Traction Motor Cable is covered by Toyota?s New Vehicle Limited Warranty for 3 years or 36,000 miles (whichever comes first), we at Toyota care about the customers? ownership experience. Read More »

    • TSB #22TE09b

      Date Announced:
      FEB 28, 2024
      NHTSA ID:
      #10252274

      TI: TECHNICAL INSTRUCTIONS FOR CUSTOMER SUPPORT PROGRAM 22TE09 HV FLOOR UNDER WIRE HARNESS AND REAR TRACTION MOTOR CABLE CORROSION CERTAIN 2021 ? 2022 MODEL YEAR SIENNA HYBRID Read More »

    • 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 #T-SB-0013-24

      Date Announced:
      MAR 04, 2024
      NHTSA ID:
      #10253225

      TSB: The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master keys are lost. Once the system is reset, all previously registered keys will be erased and can never be reused. Read More »

    • TSB #TSB010421

      Date Announced:
      FEB 15, 2024
      NHTSA ID:
      #10252251

      TSB: Some 2018 ? 2024 model year Toyota vehicles equipped with an A25A-FKS, A25A-FXS, M20A-FKS, or M20A-FXS engine may exhibit one or more of the following conditions: ?Milky/discolored engine oil. Read More »

    • TSB #TSB001823

      Date Announced:
      FEB 15, 2024
      NHTSA ID:
      #10252252

      TSB: Some 2021 ? 2023 model year Sienna Hybrid vehicles may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) P060694 (Hybrid/EV Powertrain Control Module Processor Unexpected Operation) present. Read More »

    • TSB #23TJ01A

      Date Announced:
      NOV 21, 2023
      NHTSA ID:
      #10247822

      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 #23TJ01P4B

      Date Announced:
      NOV 21, 2023
      NHTSA ID:
      #10247823

      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 #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 »

    • TSB #T-TT-0733-23

      Date Announced:
      APR 21, 2023
      NHTSA ID:
      #10236209

      TT: Some 2022-2024 MY vehicles equipped with the A25A engine may exhibit a leak from the engine water pump, and/or MIL On condition accompanied by DTC(s): ?P26CA14 Engine Coolant Pump Circuit Short to Ground or Open ?P26CA31 Engine ... Read More »

    • TSB #T-SB-0018-23

      Date Announced:
      APR 19, 2023
      NHTSA ID:
      #10236206

      TSB: Some 2021 ? 2023 model year Sienna Hybrid vehicles may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) P060694 (Hybrid/EV Powertrain Control Module Processor Unexpected Operation) present. Read More »

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

    • 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:
      DEC 21, 2024
      NHTSA ID:
      #10248821

      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 #23TJ01P5_RL_Publ

      Date Announced:
      DEC 21, 2024
      NHTSA ID:
      #10248822

      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 #23TJ01P5_TI_Publ

      Date Announced:
      DEC 21, 2024
      NHTSA ID:
      #10248823

      TI: TECHNICAL INSTRUCTIONS FOR 23TJ01 Second Key Delivery Program Multiple Models and Model Years 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 »

    • TSB #Dealer Letter

      Date Announced:
      JAN 03, 2024
      NHTSA ID:
      #10251065

      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 #23TJ01A

      Date Announced:
      NOV 21, 2023
      NHTSA ID:
      #10247822

      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 #23TJ01P4B

      Date Announced:
      NOV 21, 2023
      NHTSA ID:
      #10247823

      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 #23TJ01P4C

      Date Announced:
      NOV 21, 2023
      NHTSA ID:
      #10247824

      TI: TECHNICAL INSTRUCTIONS FOR 23TJ01 Second Key Delivery Program Multiple Models and Model Years Read More »

    • TSB #23TJ01

      Date Announced:
      NOV 15, 2023
      NHTSA ID:
      #10247809

      TI: TECHNICAL INSTRUCTIONS FOR 23TJ01 Second Key Delivery Program Multiple Models and Model Years Read More »

    • TSB #23TJ01P3_RL_fina

      Date Announced:
      OCT 11, 2023
      NHTSA ID:
      #10245455

      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 »

    ELECTRICAL SYSTEM:INSTRUMENT PANEL:FUEL GAUGE

    • TSB #TSB001823

      Date Announced:
      FEB 15, 2024
      NHTSA ID:
      #10252252

      TSB: Some 2021 ? 2023 model year Sienna Hybrid vehicles may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) P060694 (Hybrid/EV Powertrain Control Module Processor Unexpected Operation) present. Read More »

    ELECTRICAL SYSTEM:SOFTWARE

    • TSB #TTT071622

      Date Announced:
      NOV 28, 2023
      NHTSA ID:
      #10247829

      TT: Vehicle option selection during identification process when connecting Techstream for diagnosis/repair. 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 »

    • TSB #T-SB-0018-23

      Date Announced:
      APR 19, 2023
      NHTSA ID:
      #10236206

      TSB: Some 2021 ? 2023 model year Sienna Hybrid vehicles may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) P060694 (Hybrid/EV Powertrain Control Module Processor Unexpected Operation) present. Read More »

    ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT:POWER CONTROL UNIT/MODULE (HPCU)

    • TSB #TSB001823

      Date Announced:
      FEB 15, 2024
      NHTSA ID:
      #10252252

      TSB: Some 2021 ? 2023 model year Sienna Hybrid vehicles may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) P060694 (Hybrid/EV Powertrain Control Module Processor Unexpected Operation) present. Read More »

    AIR BAGS

    • 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 »

    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-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 »

    LANE DEPARTURE

    • TSB #TSB010421

      Date Announced:
      FEB 15, 2024
      NHTSA ID:
      #10252251

      TSB: Some 2018 ? 2024 model year Toyota vehicles equipped with an A25A-FKS, A25A-FXS, M20A-FKS, or M20A-FXS engine may exhibit one or more of the following conditions: ?Milky/discolored engine oil. 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 #T-TT-0713-22

      Date Announced:
      NOV 02, 2022
      NHTSA ID:
      #10228581

      TT: Some customers as well as dealerships conducting PDI may realize the covers for the visor bolt plate on 2023 Sienna HV are no longer present. Read More »

    • TSB #T-SB-0086-22

      Date Announced:
      SEP 16, 2022
      NHTSA ID:
      #10224173

      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-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

    • TSB #T-TT-0716-22

      Date Announced:
      DEC 05, 2022
      NHTSA ID:
      #10230358

      TT: Vehicle option selection during identification process when connecting Techstream for diagnosis/repair 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 »

    • TSB #TSB009421Rev1

      Date Announced:
      MAY 26, 2022
      NHTSA ID:
      #10220174

      TSB: Some 2005 ? 2022 model year Toyota 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 »

    EQUIPMENT ADAPTIVE/MOBILITY

    • 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 #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 »

    • 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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