2021 Toyota Sienna service bulletins & manufacturer communications
98 manufacturer communications are on file with NHTSA for the 2021 Toyota Sienna. TSBs are repair guidance for dealers — they are not recalls, and repairs are not automatically free.
Technical service bulletin 96Service campaign 2
- 22td04 expired on june 30, 2025 technical instructions for limited service campaign 22td04 accessory dash camera firmware update certain 2021 model year sienna vehicles certain 202…22TD04 · Technical service bulletin · Electrical System · issued Jul 1, 2025
- 22TD04 Expired on June 30, 2025 A Toyota Genuine Accessory Dash Camera was installed in the involved vehicles. If the Micro SD Card used in the accessory dash camera is damaged the…22TD04 · Service campaign · Electrical System · issued Jul 1, 2025
- 22TD04 Expired on June 30, 2025 A Toyota Genuine Accessory Dash Camera was installed in the involved vehicles. If the Micro SD Card used in the accessory dash camera is damaged the…22TD04 · Service campaign · Electrical System · issued Jul 1, 2025
- TT: Engine Oil Leak between the Lower Oil Pan and Crank CaseLSB006523 · Technical service bulletin · Unknown OR Other · issued Dec 19, 2024
- The condition known as acid rain is caused by airborne chemicals or particles in the atmosphere, which mix with rainwater, nighttime dew, or high humidity to form acidic compounds.…T-SB-0039-24 Rev2 · Technical service bulletin · Structure · issued Dec 6, 2024
- To prevent brake rotor rust from forming during transportation and storage, wheel film will be used instead of a cardboard type of anti-rust cover. The purpose of the wheel film is…T-SB-0038-24 Rev2 · Technical service bulletin · Structure · issued Dec 6, 2024
- Acid rain results from rainwater or other airborne moisture that become acidic due to industrial chemical impurities in the atmosphere. If these acidic compounds settle on an expos…T-SB-0035-24 Rev2 · Technical service bulletin · Structure · issued Dec 6, 2024
- Toyota vehicles are currently protected with RapgardTM protective film designed to protect the horizontal painted surfaces. This material protects from acid rain, environmental fal…T-SB-0061-23 Rev2 · Technical service bulletin · Structure · issued Dec 5, 2024
- Vehicles may occasionally be subjected to contamination by airborne iron particles shed from railroad tracks, train wheels, exposure to heavy machinery facilities, grinding, weldin…T-SB-0062-23 Rev2 · Technical service bulletin · Structure · issued Dec 3, 2024
- Some 2005 – 2024 Toyota vehicles that have undergone water intrusion may exhibit a condition in which a musty odor is present. Follow the procedures in this bulletin to remediate t…T-SB-0055-24 Rev1 · Technical service bulletin · Structure · issued Jul 29, 2024
- Some 2005 – 2024 Toyota vehicles that have undergone water intrusion may exhibit a condition in which a musty odor is present. Follow the procedures in this bulletin to remediate t…T-SB-0055-24 Rev1 · Technical service bulletin · Structure · issued Jul 29, 2024
- The condition known as acid rain is caused by airborne chemicals or particles in the atmosphere, which mix with rainwater, nighttime dew, or high humidity to form acidic compounds.…T-SB-0039-24 Rev1 · Technical service bulletin · Structure · issued Jul 12, 2024
- To prevent brake rotor rust from forming during transportation and storage, wheel film will be used instead of a cardboard type of anti-rust cover. The purpose of the wheel film is…T-SB-0038-24 Rev1 · Technical service bulletin · Structure · issued Jul 12, 2024
- Acid rain results from rainwater or other airborne moisture that become acidic due to industrial chemical impurities in the atmosphere. If these acidic compounds settle on an expos…T-SB-0035-24 Rev1 · Technical service bulletin · Structure · issued Jul 12, 2024
- The condition known as acid rain is caused by airborne chemicals or particles in the atmosphere, which mix with rainwater, nighttime dew, or high humidity to form acidic compounds.…T-SB-0039-24 Rev1 · Technical service bulletin · Structure · issued Jul 12, 2024
- To prevent brake rotor rust from forming during transportation and storage, wheel film will be used instead of a cardboard type of anti-rust cover. The purpose of the wheel film is…T-SB-0038-24 Rev1 · Technical service bulletin · Structure · issued Jul 12, 2024
- Acid rain results from rainwater or other airborne moisture that become acidic due to industrial chemical impurities in the atmosphere. If these acidic compounds settle on an expos…T-SB-0035-24 Rev1 · Technical service bulletin · Structure · issued Jul 12, 2024
- Some 2005 – 2024 Toyota vehicles that have undergone water intrusion may exhibit a condition in which a musty odor is present. Follow the procedures in this bulletin to remediate t…T-SB-0055-24 · Technical service bulletin · Structure · issued Jun 21, 2024
- Some 2005 – 2024 Toyota vehicles that have undergone water intrusion may exhibit a condition in which a musty odor is present. Follow the procedures in this bulletin to remediate t…T-SB-0055-24 · Technical service bulletin · Structure · issued Jun 21, 2024
- Toyota vehicles are currently protected with RapgardTM protective film designed to protect the horizontal painted surfaces. This material protects from acid rain, environmental fal…T-SB-0061-23 Rev1 · Technical service bulletin · Structure · issued May 17, 2024
- Vehicles may occasionally be subjected to contamination by airborne iron particles shed from railroad tracks, train wheels, exposure to heavy machinery facilities, grinding, weldin…T-SB-0062-23 Rev1 · Technical service bulletin · Structure · issued May 15, 2024
- The condition known as acid rain is caused by airborne chemicals or particles in the atmosphere, which mix with rainwater, nighttime dew, or high humidity to form acidic compounds.…T-SB-0039-24 · Technical service bulletin · Structure · issued Apr 19, 2024
- To prevent brake rotor rust from forming during transportation and storage, wheel film will be used instead of a cardboard type of anti-rust cover. The purpose of the wheel film is…T-SB-0038-24 · Technical service bulletin · Structure · issued Apr 19, 2024
- Acid rain results from rainwater or other airborne moisture that become acidic due to industrial chemical impurities in the atmosphere. If these acidic compounds settle on an expos…T-SB-0035-24 · Technical service bulletin · Structure · issued Apr 19, 2024
- The condition known as acid rain is caused by airborne chemicals or particles in the atmosphere, which mix with rainwater, nighttime dew, or high humidity to form acidic compounds.…T-SB-0039-24 · Technical service bulletin · Structure · issued Apr 19, 2024
- To prevent brake rotor rust from forming during transportation and storage, wheel film will be used instead of a cardboard type of anti-rust cover. The purpose of the wheel film is…T-SB-0038-24 · Technical service bulletin · Structure · issued Apr 19, 2024
- Acid rain results from rainwater or other airborne moisture that become acidic due to industrial chemical impurities in the atmosphere. If these acidic compounds settle on an expos…T-SB-0035-24 · Technical service bulletin · Structure · issued Apr 19, 2024
- 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 Toyo…T-PANT-2024-004- · Technical service bulletin · Engine and Engine Cooling · issued Mar 4, 2024
- TSB: Some 2018 ? 2022 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System require a Special Service Tool (SST) USB flash drive to update the map…TSB010622 · Technical service bulletin · Equipment · issued Feb 20, 2024
- 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 Une…TSB001823 · Technical service bulletin · Electrical System · issued Feb 15, 2024
- 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/disco…TSB010421 · Technical service bulletin · Service Brakes, Hydraulic · issued Feb 15, 2024
- TSB: Some 2021 ? 2022 model year Sienna Hybrid vehicles may exhibit a condition in which the fuel gauge reading changes when the vehicle is driven up or down an incline and left at…T-SB-0083-23 · Technical service bulletin · Engine and Engine Cooling · issued Oct 17, 2023
- TT: Some 19CY LG DCM equipped vehicles may not be able to complete the firmware update due to not having an active account or waived services during the trial. Follow the steps bel…T-TT-0678-21 Rev · Technical service bulletin · Electrical System · issued Oct 10, 2023
- 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…TSB003220 · Technical service bulletin · Air Bags · issued Aug 17, 2023
- OBSOLETE NOTICE August 17, 2023: This bulletin is no longer applicable and is now obsoleteTSB005123 · Technical service bulletin · Engine · issued Aug 17, 2023
- TT: A very small percentage of customers experience operational difficulties with some telematics features which they cannot resolve on their own. These resources, in conjunction w…TTT073723 · Technical service bulletin · Unknown OR Other · issued Aug 17, 2023
- TSB: Flash reprogramming allows the Electronic Control Unit (ECU) software to be updated without replacing the ECU. Flash calibration updates for specific vehicle models/ECUs are r…T-SB-0107-20 · Technical service bulletin · Engine and Engine Cooling · issued Jul 25, 2023
- TT: Some 2021 - 2023 Highlander HV, RAV4 HV and Sienna HV vehicles equipped with Rear Motor Generator, MGR (Q610), may duplicate an abnormal noise (Drone, Growl, Humming, and/or ot…T-TT-0726-23 · Technical service bulletin · Engine and Engine Cooling · issued Jul 10, 2023
- 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 …TSB-0033-23 · Technical service bulletin · Fuel System, Gasoline · issued Jun 8, 2023
- 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 Une…T-SB-0018-23 · Technical service bulletin · Electrical System · issued Apr 19, 2023
- TT: Some Model Year 2018-2023 vehicles equipped with A25A-FKS/FXS or M20A-FKS/FXS engines may display the following message ?Engine Maintenance Required Visit Your Dealer? on the c…T-TT-0699-22 Rev · Technical service bulletin · Engine and Engine Cooling · issued Mar 27, 2023
- TT: Some 2021 - 2023 Highlander HV, RAV4 HV and Sienna HV vehicles equipped with Rear Motor Generator, MGR (Q610), may duplicate an abnormal noise (Drone, Growl, Humming, and/or ot…T-TT-0726-23 · Technical service bulletin · Engine and Engine Cooling · issued Mar 23, 2023
- TT: Some 2021- 2023 Sienna HV vehicles may duplicate an abnormal noise (Growl, Humming and/or other) from the Hybrid T/A at various vehicle speeds and normal drive conditions. Plea…T-TT-0725-23 · Technical service bulletin · Back Over Prevention · issued Mar 23, 2023
- TT: Some 2021 to 2023 MY vehicles equipped Rear Motor Generator, MGR (Q610) may experience an oil leak concern. This issue is currently under investigationT-TT-0723-23 · Technical service bulletin · Engine and Engine Cooling · issued Mar 20, 2023
- TT: MIL ON with DTC(s) present for Hybrid/EV Battery Cooling Fan Circuit.TT069722 · Technical service bulletin · Hybrid Propulsion System · issued Feb 15, 2023
- TT: To assist with the early detection and early resolution of audio related concerns, it may be requested as part of the remanufactured head unit return to recover MMR data from t…T-TT-0611-20 Rev · Technical service bulletin · Equipment · issued Dec 19, 2022
- TT: Some 19CY LG DCM equipped vehicles may not be able to complete the firmware update due to not having an active account or waived services during the trial. Follow the steps bel…T-TT-0678-21 Rev · Technical service bulletin · Equipment · issued Dec 15, 2022
- TSB: Some 2018 ? 2022 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System, require a Special Service Tool (SST) USB flash drive to update the ma…T-SB-0106-22 · Technical service bulletin · Equipment · issued Dec 7, 2022
- 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 bullet…T-SB-0094-21 Rev · Technical service bulletin · Air Bags · issued Nov 23, 2022
- TT: Some Model Year 2018-2021 vehicles equipped with A25A-FKS/FXS or M20A-FKS/FXS engines may display the following message ?Engine Maintenance Required Visit Your Dealer? on the c…T-TT-0699-22 Rev · Technical service bulletin · Engine and Engine Cooling · issued Sep 28, 2022
- TT: Some Model Year 2018-2022 vehicles equipped with A25A-FKS or A25A-FXS engines may experience a MIL ON condition with the following DTCs: P043F00, P043E00, P24007E, P24007F, P24…T-TT-0708-22 · Technical service bulletin · Electrical System · issued Sep 22, 2022
- TT: Vehicles listed above equipped with a Denso Ten radio (Entune Audio Plus or Premium Audio) may exhibit a condition in which the radio screen continues to show a Bluetooth phone…T-TT-0703-22 · Technical service bulletin · Equipment · issued Aug 5, 2022
- TSB: Flash reprogramming allows the Electronic Control Unit (ECU) software to be updated without replacing the ECU. Flash calibration updates for specific vehicle models/ECUs are r…T-SB-0107-20 Rev · Technical service bulletin · Electrical System · issued Jul 19, 2022
- TSB: Some 2020 model year vehicles equipped with Audio Plus (version 1021) or Premium Audio (version 1021) or earlier may exhibit one or more of the following conditions: ?Barge in…TSB004321Rev2 · Technical service bulletin · Equipment · issued Jul 14, 2022
- TT: Some Model Year 2018-2021 vehicles equipped with A25A-FKS/FXS or M20A-FKS/FXS engines may display the following message ?Engine Maintenance Required Visit Your Dealer? on the c…TTT069922 · Technical service bulletin · Engine and Engine Cooling · issued Jul 8, 2022
- TSB: When certain vehicle ECUs are replaced, the ECU security key must be written in order for that ECU to communicate on the vehicle network. The Techstream Software Health Check …TSB011120Rev1 · Technical service bulletin · Engine and Engine Cooling · issued Jul 8, 2022
- Faq: limited service campaign 22td0422TD042 · Technical service bulletin · Equipment · issued Jun 30, 2022
- Ti: technical instructions for limited service campaign 22td04 accessory dash camera firmware update certain 2021 model year sienna vehicles certain 2021 model year venza vehiclesInstructions 22T · Technical service bulletin · Back Over Prevention · issued Jun 30, 2022
- DP: A Toyota Genuine Accessory Dash Camera was installed in the involved vehicles. If the Micro SD Card used in the accessory dash camera is damaged the accessory dash camera may c…22TD04 · Technical service bulletin · Back Over Prevention · issued Jun 30, 2022
- Faq: limited service campaign 22td04FAQ 22TD04 · Technical service bulletin · Equipment · issued Jun 30, 2022
- Ti: technical instructions for limited service campaign 22td04 accessory dash camera firmware update certain 2021 model year sienna vehicles certain 2021 model year venza vehiclesSERVICE CAMPAIGN · Technical service bulletin · Equipment · issued Jun 30, 2022
- DP: A Toyota Genuine Accessory Dash Camera was installed in the involved vehicles. If the Micro SD Card used in the accessory dash camera is damaged the accessory dash camera may c…22TD04 Remedy No · Technical service bulletin · Equipment · issued Jun 30, 2022
- RL: A Toyota Genuine Accessory Dash Camera was installed in the involved vehicles. If the Micro SD Card used in the accessory dash camera is damaged the accessory dash camera may c…21TD02 · Technical service bulletin · Equipment · issued Jun 29, 2022
- RL: A Toyota Genuine Accessory Dash Camera was installed in the involved vehicles. If the Micro SD Card used in the accessory dash camera is damaged the accessory dash camera may c…SERVICE CAMPAIGN · Technical service bulletin · Equipment · issued Jun 29, 2022
- TSB: Some 2010 ? 2022 model year Toyota vehicles may exhibit paint stains after the removal of Rapgard?. The paint stains may appear to be under the clear coat but are usually unde…TSB001221Rev2 · Technical service bulletin · Structure · issued Jun 14, 2022
- TSB: Some 2010 ? 2022 model year Toyota vehicles may exhibit paint stains after the removal of Rapgard?. The paint stains may appear to be under the clear coat but are usually unde…TSB001221Rev2 · Technical service bulletin · Structure · issued Jun 14, 2022
- TSB: Some 2020 model year Camry, Camry Hybrid, Corolla Hatchback, RAV4, and RAV4 Hybrid vehicles may exhibit one or more of the following conditions: ?Diagnostic Trouble Code (DTC)…TSB008921Rev2 · Technical service bulletin · Equipment · issued Jun 7, 2022
- TSB: Some 2020 model year Camry, Camry Hybrid, Corolla Hatchback, RAV4, and RAV4 Hybrid vehicles may exhibit one or more of the following conditions: ?Diagnostic Trouble Code (DTC)…TSB008921Rev2 · Technical service bulletin · Electrical System · issued Jun 7, 2022
- TT: To assist with the early detection and early resolution of audio related concerns, it may be requested as part of the remanufactured head unit return to recover MMR data from t…T-TT-0611-20 Rev · Technical service bulletin · Equipment · issued May 27, 2022
- 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 bullet…TSB009421Rev1 · Technical service bulletin · Equipment · issued May 26, 2022
- TT: To improve customer support of telematics connected services features, additional resources have been provided in the Service Lane - Knowledge Center.TTT069522 · Technical service bulletin · Communication · issued May 13, 2022
- TSB: Some 2020 model year Camry, Camry Hybrid, Corolla Hatchback, RAV4, and RAV4 Hybrid vehicles may exhibit one or more of the following conditions: ?Diagnostic Trouble Code (DTC)…TSB008921Rev1 · Technical service bulletin · Equipment · issued Apr 11, 2022
- TT: Vehicle control apps might not operate as expected at times due to preconditions (normal operating parameters) not being established, vehicle settings and/or network/cellular c…TTT059920 Rev4 · Technical service bulletin · Equipment · issued Mar 24, 2022
- OBSOLETE NOTICE March 22, 2022: This bulletin is now obsolete. Please see T-SB-0024-22.TSB002019 · Technical service bulletin · Equipment · issued Mar 22, 2022
- TSB: Some 2018 model year Camry and Camry Hybrid, 2019 model year Avalon and Avalon Hybrid, 2020 ? 2021 model year Highlander, Highlander Hybrid, and Corolla, and 2021 model year S…TSB002422 · Technical service bulletin · Visibility · issued Mar 22, 2022
- TT: When customers have a concern about a discharged battery, no start, or general battery concern, the DCA-8000 is the only appropriate tool to use for diagnosisT-TT-0687-22 · Technical service bulletin · Electrical System · issued Mar 8, 2022
- TT: Vehicle control apps might not operate as expected at times due to preconditions (normal operating parameters) not being established, vehicle settings and/or network/cellular c…T-TT-0599-20 Rev · Technical service bulletin · Electrical System · issued Mar 3, 2022
- TSB: Some 2010 ? 2022 model year Toyota vehicles may exhibit paint stains after the removal of Rapgard?. The paint stains may appear to be under the clear coat but are usually unde…T-SB-0012-21 Rev · Technical service bulletin · Seats · issued Feb 1, 2022
- TSB This Service Bulletin includes guidelines meant to help determine whether to repair or replace a wire harness assembly based on damage type. This Service Bulletin should be use…T-SB-0003-22 · Technical service bulletin · Electrical System · issued Jan 28, 2022
- TT: Some customers may experience the inability to activate Remote Connect or Remote Connect becoming inoperative when attempting to send commands to the vehicle. To simplify the d…T-TT-0593-20 Rev · Technical service bulletin · Electrical System · issued Jan 20, 2022
- POL: This consolidated Tire Warranty Guide contains the complete warranty terms for all brands of ground and spare tires currently in use by Toyota. This information must be kept n…Toyota PRO19-02 · Technical service bulletin · Tires · issued Jan 12, 2022
- TSB: Some 2020 model year vehicles equipped with Audio Plus (version 1060) or Premium Audio (version 1060) or earlier may exhibit the following condition: ?Distorted screen when us…T-SB-0043-21 Rev · Technical service bulletin · Equipment · issued Jan 7, 2022
- TT: Some 19CY LG DCM equipped vehicles may not be able to complete the firmware update due to not having an active account or waived services during the trial. Follow the steps bel…T-TT-0678-21 · Technical service bulletin · Equipment · issued Dec 20, 2021
- TSB: Some 2018 ? 2022 model year Toyota vehicles equipped with an A25A-FKS, A25A-FXS, or M20A-FKS engine may exhibit one or more of the following conditions: ?Milky/Discolored engi…T-SB-0104-21 · Technical service bulletin · Equipment · issued Dec 17, 2021
- 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 bullet…T-SB-0094-21 · Technical service bulletin · Structure · issued Nov 23, 2021
- TSB: Some 2020 model year vehicles equipped with Audio Plus (version 1186) or earlier may exhibit one or more of the following conditions: ?WiFi intermittently inoperative. ?DTC (D…T-SB-0019-21 Rev · Technical service bulletin · Equipment · issued Nov 12, 2021
- OBSOLETE NOTICE October 14, 2021: This bulletin is now obsolete. Please see T-SB-0089-21.T-SB-0095-20 Obs · Technical service bulletin · Equipment · issued Oct 14, 2021
- TSB: Some 2020 model year Camry, Camry Hybrid, Corolla Hatchback, RAV4, and RAV4 Hybrid vehicles may exhibit one or more of the following conditions: ?Diagnostic Trouble Code (DTC)…T-SB-0089-21 · Technical service bulletin · Equipment · issued Oct 14, 2021
- TT: When used in conjunction with the Repair Manual, these Blind Spot Monitor, Forward Recognition Camera, and Front Millimeter Wave Radar tips leverage SSTs and readily available …T-TT-0663-21 · Technical service bulletin · Lane Departure · issued Sep 3, 2021
- TSB: Some 2006 ? 2022 model year Toyota vehicles in particular geographic areas may exhibit a condition where the HVAC evaporator drain hose has become obstructed with an insect ne…T-SB-0080-19 Rev · Technical service bulletin · Equipment · issued Jul 26, 2021
- TSB: Some 2020 model year vehicles equipped with Audio Plus (version 1186) or earlier may exhibit one or more of the following conditions: ?WiFi intermittently inoperative. ?DTC (D…T-SB-0019-21 Rev · Technical service bulletin · Equipment · issued Jul 9, 2021
- TSB: Long-term or off-site storage requires special care to keep vehicles factory fresh and ready for delivery. The following guidelines should be performed to minimize vehicle com…T-SB-0050-21 · Technical service bulletin · Equipment · issued Jul 6, 2021
- TT: DTC P1AC000 is currently under investigation. Please create a TAS case and contact TAS for instruction prior to diagnosing or repairing the vehicle. For pre-sold units: Do not …T-TT-0653-21 · Technical service bulletin · Equipment · issued May 26, 2021
- Updates to the 2014-2021 toyota universal flat rate manualToyota PRO21-UFR · Technical service bulletin · Equipment · issued May 24, 2021
- TSB: Some 2021 model year Sienna Hybrid LE vehicles may exhibit a condition of inoperative remote functions from the app or key fob, such as remote engine start or door lock/unlock…T-SB-0031-21 · Technical service bulletin · Electrical System · issued May 20, 2021
- TT: To assist with the early detection and early resolution of audio related concerns, it may be requested as part of the remanufactured head unit return to recover MMR data from t…T-TT-0611-20 Rev · Technical service bulletin · Equipment · issued May 7, 2021
- Replacement vin plates.T-PG007-01 · Technical service bulletin · Equipment · issued May 4, 2001
- Product general information.T-PG002-91 · Technical service bulletin · Equipment · issued Jan 18, 1991