2021 TOYOTA SIENNA HYBRID

3 recalls — 40 complaints — 133 TSBs — 5/5 safety rating

SEATS:MID/REAR ASSEMBLY:RECLINER

Defect Description

Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2021-2025 Sienna Hybrid vehicles. The bolts for the seatbacks on the third-row seat assemblies may not be tightened properly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard... Read more

Consequence

An improperly tightened seatback may not adequately restrain the occupant during a crash, increasing their risk of injury.

Remedy

Dealers will tighten the seat assembly bolts, free of charge. Owner notification letters were mailed April 1, 2025. Owners may contact Toyota's customer service at 1-800-331-4331. Toyota's number for this recall is 25TA05.

167,802 vehicles affected

Manufacturer: Toyota Motor Engineering & Manufacturing

AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION

Defect Description

Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2020-2021 Avalon, Avalon Hybrid, Corolla, Highlander, Highlander Hybrid, RAV4, RAV4 Hybrid, Lexus ES350, Lexus RX350, Lexus RX450H, 2021 Sienna Hybrid, Lexus ES250, 2020-2022 Camry, Camry Hybrid, and ES300H vehicles. A short cir... Read more

Consequence

An air bag that does not deploy during a crash increases the risk of injury.

Remedy

Dealers will inspect and replace the sensor as necessary, free of charge. Interim letters notifying owners of the safety risk were mailed in February 2024. Some final remedy owner letters were mailed October 31, 2024. Letters will continue to be mailed in phases through January 2026. Owners may con... Read more

999,901 vehicles affected

Manufacturer: Toyota Motor Engineering & Manufacturing

ELECTRONIC STABILITY CONTROL (ESC):CONTROL MODULE:SOFTWARE

Defect Description

Toyota Engineering & Manufacturing (Toyota) is recalling certain 2022 Lexus LX 600, Lexus NX 350h, Lexus NX 450h+, Toytoa RAV4 Hybrid, 2021-2022 Lexus LS 500h, Toyota Mirai, RAV4 PRIME, Sienna, Venza, and 2020-2022 Toyota Highlander Hybrid vehicles. The Skid Control ECU software may not turn on the... Read more

Consequence

Driving with a deactivated stability control system increases the risk of a crash.

Remedy

Dealers will update the Skid Control ECU software, free of charge. Owner notification letters were mailed May 27, 2022. Owners may contact Toyota customer service at 1-800-331-4331. Toyota's number for this recall is 22TA03. Lexus' number for this recall is 22LA01.

458,110 vehicles affected

Manufacturer: Toyota Motor Engineering & Manufacturing

Complaint Statistics

40 total complaints 4 crashes 3 fires 3 injuries

Top Reported Components

Component	Complaints
SERVICE BRAKES	4
VISIBILITY/WIPER	4
ENGINE	4
ELECTRICAL SYSTEM	4
POWER TRAIN	4
AIR BAGS	3
EXTERIOR LIGHTING	2
UNKNOWN OR OTHER	2
SUSPENSION	2
STRUCTURE:BODY	1

Incident date: May 27, 2026

My 2021 Toyota Sienna Hybrid has an intermittent and dangerous brake failure where the brakes suddenly release pressure during normal braking. When slowing down—especially at lower speeds or approaching a stop—the brake pedal briefly loses resistance and the vehicle surges forward as if the brak... Read more

Incident date: May 29, 2026

SRS light has been showing up on the dashboard, off and on for 3 weeks. Diagnostic reader completed by the dealership states it is an airbag module malfunction of the 2nd row left passenger seat. The seat has never been removed, there have been zero accidents and no damage to the seat or wiring.

Incident date: May 20, 2026

Both front struts of the vehicle have failed and are leaking. There is only 36,000 miles on this vehicle when they should last 200,000 miles per Toyota's service department. Toyota refuses to acknowledge this is their problem and that it's a "wear and tear' part. However clearly these parts should n... Read more

Incident date: May 12, 2026

Unknown, I got the SRS Airbag system malfunction in my vehicle, I got the same error in my vehicle dashboard a few times in the past but it would go away and since yesterday I have the message in my dashboard

Incident date: Mar 29, 2026

We were stopped at a stoplight. As soon as we stepped on the gas pedal, there was a loud clunk sound and plastic parts started flying out from under the car. We immediately pulled over. Oil was spilling out everywhere. The transmission oil pump was laying on the inside of the engine compartment. We ... Read more

Incident date: Mar 29, 2026

Incident date: Feb 26, 2026

The contact owned a 2021 Toyota Sienna Hybrid. The vehicle was parked in the driveway when an explosion occurred; the vehicle burned down. The contact was inside the residence when a loud noise was heard, and the house "rocked." The contact ran to the front of the house to investigate and noticed th... Read more

Fire

Incident date: Oct 16, 2025

The car jerks when coming to a stop. Like when the regenerative system is disengaged it jerks. For the Adaptive cruise control the car will accelerate instead of braking when another car merges in front of you.

Incident date: Oct 16, 2025

The infotainment system in the vehicle is apparently overheating and causing the speakers to make a static sound. The sound starts out low, then static sounds at about 85-90 decibels. The radio cannot be turned off to make the sound go away, even if pulled over and restarted. My commute to work is o... Read more

Incident date: Aug 6, 2025

Quirk Chrysler Dodge Jeep RAM Of Dorchester refused to perform Recall 73B/24V-536 on my restricted-title Pacifica (reconstructed), citing Chrysler policy. That policy doesn’t exist in the recall bulletin. I need the BPCM software update and any necessary battery replacement under the recall.

Incident date: Jan 2, 2024

Drove car to the grocery store 5 minutes down the street. Shopped for ~20 minutes, returned to my car and loaded my groceries in my trunk. Shut the trunk and returned the cart to the cart corral. Returned to the vehicle, unlocked via the door handle, put the car in reverse, and was greeted with a "C... Read more

Incident date: Mar 10, 2020

This vehicle was owned by my husband and I was the primary driver, with our two young children as passengers on a daily basis. I was in auto accident 5/4/06 and again 10/31/06 without the airbags deployment- due to the fact they were not installed in the car. The airbags were never replaced after a ... Read more

Crash

Incident date: Mar 11, 2025

Check engine light came on. Took to the Ford dealer workshop, they checked and found nothing wrong with the engine. Check engine light came on again and this time the car jerks when it tries to accelerate. Could not go more 40mh due to the jerky motion. Took it back to the shop, they said coolant in... Read more

Incident date: Dec 20, 2023

CRUISE CONTROL SURGING VEHICLE BEYOND INITIAL SET LIMIT. I recently purchased my 2022 Nissan frontier 4x4 crewcab from a Texas dealership. After driving it for a week or so, I noticed that while the "Cruise Control" is engaged, any sort of incline ahead of the vehicle will cause the transmissio... Read more

Incident date: Dec 1, 2023

The contact owns a 2013 Ford Escape. The contact stated that while driving at an undisclosed speed, the transmission unexpectedly downshifted. There was no warning light illuminated. The contact received notification of NHTSA Campaign Number: 22V413000 (Power Train). The vehicle was taken to an inde... Read more

Incident date: Jan 5, 2024

The car has been to the dealership five times for electrical/computer issues. First the main dash UI computer screen would occassionally lock up and freeze shutting all safety systems off. (cruise control, lane holding, blind spot warning, etc.) Then the battery failure issues started - basically f... Read more

Incident date: Oct 2, 2024

The contact owns a 2015 Ford F-150. The contact stated while driving approximately 40 MPH on two occasions, the transmission unexpectedly downshifted to first gear. The vehicle slowed down abruptly, and the rear wheels locked up and squealed. The vehicle was not diagnosed or repaired. The manufactur... Read more

Incident date: Jul 25, 2024

Pre-Collision Assistant was faulty and needed to be replaced, apparently there are multiple EVs having the same issue thus causing a safety hazard for vehicles expecting it to work. The warning lamp first came on two years ago for 30 seconds than it disappeared, and again last year however it stayed... Read more

Incident date: Jul 17, 2024

The contact owns a 2011 Ford Edge. The contact stated while driving 30 MPH, the brake pedal was depressed; however, the vehicle failed to stop as intended. The contact stated that it was raining when the failure occurred. The contact stated that the failure occurred after driving over a bump in the ... Read more

Incident date: Jun 24, 2024

I was driving my truck with no prior issues nor check engine light warnings, suddenly my truck began to lose speed, warning light came on instrument panel stating something to the effect of reduced power, I heard a loud noise (similar to the sound of a tire blown), as I looked out of the drivers sid... Read more

Fire

Incident date: Jun 20, 2024

Car catch on fire and explode it with 2 ocupantes inside

Fire

Incident date: Feb 1, 2024

when stoped at a stoplight the engine shuts off. when you take your foot off the brake and move to the accelerator, the transmission shifts to neutral. This is very dangerous because it's the last thing you expect and when your on a step hill and rolling backwards it takes a moment to act. If a chi... Read more

Incident date: Apr 1, 2024

My brakes went out on me and couldn't stop. My engine has been overheating and making a weird ticking noise.the front suspension is loose and has caused me to hydroplane on the highway and slide

Crash

Incident date: Feb 4, 2024

The contact owns a 2020 Jeep Compass. The contact stated while reversing out of the driveway, the steering wheel was turned to the left, and the sway bar link detached from the front driver’s side of the vehicle. The contact stated that the sway bar link was made of plastic. No warning light was i... Read more

Incident date: Nov 12, 2023

The ABS and HCU are bad in my vehicle. It appears to be a widespread issue with this year model. A recall should be issued by the manufacturer to correct this safety issue. I recently collided with a barrier wall because my ABS system was not functional.

Crash

Incident date: Dec 1, 2022

On Friday January 27th, I was driving approximately 65mph when the steering wheel got stuck to the right, causing me to run off the road. I hit a rut where the road meets the grass and it caused a couple of my wheel weights to fall off. Initially the lane keep was on, but I turned it off as it start... Read more

Crash

Incident date: Apr 12, 2022

The contact owns a 2021 Toyota Sienna Hybrid. The contact stated that the passenger's side rearview mirror detached and the rear liftgate door inadvertently opened while parked in the garage. The vehicle was taken to the dealer but was not yet diagnosed nor repaired. The manufacturer was not made aw... Read more

Incident date: Apr 12, 2022

Incident date: Apr 1, 2021

HEADLINER CUT TOO LARGE, DOESN'T HOLD REAR PASSENGER CLIMATE CONTROLS, CLIMATE CONTROLS FALL OUT AND HIT REAR PASSENGERS. THIS HAPPENS AT ANY SPEED.

1 injured

Incident date: Apr 1, 2021

HEADLINER CUT TOO LARGE, DOESN'T HOLD REAR PASSENGER CLIMATE CONTROLS, CLIMATE CONTROLS FALL OUT AND HIT REAR PASSENGERS. THIS HAPPENS AT ANY SPEED.

1 injured

Incident date: Apr 1, 2021

HEADLINER CUT TOO LARGE, DOESN'T HOLD REAR PASSENGER CLIMATE CONTROLS, CLIMATE CONTROLS FALL OUT AND HIT REAR PASSENGERS. THIS HAPPENS AT ANY SPEED.

1 injured

Incident date: Apr 13, 2021

THE 2021 SIENNA XLE PLUS AND ENTERTAINMENT PACKAGE DID NOT INCLUDE A DIGITAL REAR VIEW MIRROR IN THIS TRIM LEVEL. THE NEW SIENNA IS A BRAND NEW MODEL WITH A MASSIVE DESIGN FLAW, A HUGE TV WITH ZERO VISIBILITY OUT THE REAR OF CAR. IT'S UNSAFE. MANY PEOPLE WILL NOT TEST DRIVE WITH THE TV DOWN TO SEE T... Read more

Incident date: Apr 1, 2021

I FOUND A BIG DESIGN FLAW IN OUR NEW MINIVAN. WHEN MY KIDS ARE USING THE REAR ENTERTAINMENT SYSTEM, THE SCREEN BLOCK THE DRIVER REAR MIRROR LINE OF SIGHT. I DON'T FEEL SAFE DRIVING AROUND IF I CAN'T HAVE BACK AND FORTH VISIBILITY FROM THE DRIVER SEAT. I DON'T UNDERSTAND WHY TOYOTA DIDN'T MAKE THE... Read more

Incident date: Jan 1, 2021

TL* THE CONTACT OWNS A 2021 TOYOTA SIENNA HYBRID. THE CONTACT STATED WHILE ATTEMPTING TO MAKE A RIGHT TURN WITH THE ACCELERATOR PEDAL DEPRESSED, THE VEHICLE FAILED TO RESPOND. THE CONTACT STATED NO WARNING LIGHT WAS ILLUMINATED. THE CONTACT STATED THAT HE HAD EXPERIENCED THE FAILURE ON SEVERAL OCCAS... Read more

Incident date: Mar 17, 2021

2021 SIENNA XLE WITH PLUS PACKAGE AND REAR ENTERTAINMENT PACKAGE. WHEN REAR SCREEN DOWN (IN USE) THE ENTERTAINMENT SCREEN BLOCK THE WHOLE REAR MIRROR. WE UNABLE TO SEE WHAT HAPPENS IN BEHIND. TOYOTA SHOULD INSTALL DIGITAL REAR VIEW MIRROR IF CAR COME WITH RES. THIS IS A SAFETY CONCERN WE EITHER WAT... Read more

Incident date: Nov 25, 2020

THIRD BRAKE LIGHT CONDITION POOR VISABILITY TO OPERATOR ( REAR WINDOW) WHEN BRAKE IS ACTIVATED IN LOW OR DARK LIGHTING CONDITION(S) THERE IS REFLECTION OFF GLASS AND REAR DEFROST ELEMENT(S) WHICH CAUSE LIMITED REAR VISABILITY OUT OF REAR WINDOW GLASS.

Incident date: Nov 25, 2020

NHTSA Safety Ratings — 2021 TOYOTA SIENNA HYBRID

2021 Toyota SIENNA HYBRID VAN AWD

Category	Rating
Overall Rating	5 / 5 ★★★★★
Frontal Crash	4 / 5 ★★★★☆
Frontal Crash — Driver	3 / 5 ★★★☆☆
Frontal Crash — Passenger	4 / 5 ★★★★☆
Side Crash	5 / 5 ★★★★★
Side Crash — Driver	5 / 5 ★★★★★
Side Crash — Passenger	5 / 5 ★★★★★
Rollover	4 / 5 ★★★★☆
Rollover Risk	12.7%

Safety Technology

Feature	Status
Electronic Stability Control	Standard
Forward Collision Warning	Standard
Lane Departure Warning	Standard

Source: NHTSA 5-Star Safety Ratings Program. Ratings are based on crash tests conducted by the National Highway Traffic Safety Administration.

Technical Service Bulletins — 2021 TOYOTA SIENNA HYBRID

133 manufacturer communications from 81 unique bulletins. TSBs describe known problems and recommended fixes from the manufacturer.

Most Affected Components

Component	Bulletins
110000 ELECTRICAL SYSTEM	22
350000 EQUIPMENT	13
353000 EQUIPMENT:ELECTRICAL	7
060000 ENGINE AND ENGINE COOLING	7
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL	7
160000 STRUCTURE	5
118000 ELECTRICAL SYSTEM:SOFTWARE	4
200000 WHEELS	4

063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)

TT: Engine Oil Leak between the Lower Oil Pan and Crank Case

980000 UNKNOWN OR OTHER

TT: Engine Oil Leak between the Lower Oil Pan and Crank Case

116340 ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER

OBSOLETE NOTICE March 11, 2024: This bulletin is now obsolete. Please see T-SB-0013-24.

060000 ENGINE AND ENGINE COOLING

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.

061500 ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION

110000 ELECTRICAL SYSTEM

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. Another feature,

060000 ENGINE AND ENGINE COOLING

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.

100001 HYBRID PROPULSION SYSTEM

060000 ENGINE AND ENGINE COOLING

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

100001 HYBRID PROPULSION SYSTEM

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

353500 EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)

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, points of interest, and system software. The SST is used w

980000 UNKNOWN OR OTHER

030000 SERVICE BRAKES, HYDRAULIC

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. ?An ?Oil Pressure Low? warning message

062000 ENGINE AND ENGINE COOLING:COOLING SYSTEM

110000 ELECTRICAL SYSTEM

270000 LANE DEPARTURE

110000 ELECTRICAL SYSTEM

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. The Hybrid Vehicle Control Compu

117200 ELECTRICAL SYSTEM:INSTRUMENT PANEL:FUEL GAUGE

119810 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT:POWER CONTROL UNIT/MODULE (HPCU)

060000 ENGINE AND ENGINE COOLING

TT: Some 2020-2022 vehicles equipped with North American Produced (NAP) A25A-FKS/FXS engines may experience an oil leak from the head/valve cover gasket. This issue is currently under investigation.

118000 ELECTRICAL SYSTEM:SOFTWARE

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

110000 ELECTRICAL SYSTEM

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). After performing a Health Check, one or both of the following Diagnostic Trouble Codes (

119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT

060000 ENGINE AND ENGINE COOLING

Toyota vehicles equipped with an A25A-FKS or A25A-FXS engine may exhibit reduced engine power and/or a MIL ON condition

110000 ELECTRICAL SYSTEM

117000 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

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 an angle of up to 15? for five minutes or longer. The combi

117200 ELECTRICAL SYSTEM:INSTRUMENT PANEL:FUEL GAUGE

061610 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE

118000 ELECTRICAL SYSTEM:SOFTWARE

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 below to enable ?Temp DCM Activation?.

980000 UNKNOWN OR OTHER

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 with the Repair Manual, are for dealership personnel to assis

346000 COMMUNICATION:MANUFACTURER TELEMATICS

063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

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 (DTCs)

070000 FUEL SYSTEM, GASOLINE

061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

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. In several cases, it was found that

110000 ELECTRICAL SYSTEM

119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT

072100 FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

DP: Although the high-pressure fuel pump is covered by Toyota?s New Vehicle Limited Warranty for 5 years or 60,000 miles (whichever comes first), we at Toyota care about the customers? ownership experience. Toyota is providing coverage for

060000 ENGINE AND ENGINE COOLING

TT: Some 2020-2022 vehicles equipped with North American Produced (NAP) A25A-FKS/FXS engines may experience an oil leak from the head/valve cover gasket. This issue is currently under investigation.

110000 ELECTRICAL SYSTEM

TT: MIL ON with DTC(s) present for Hybrid/EV Battery Cooling Fan Circuit.

100001 HYBRID PROPULSION SYSTEM

TT: MIL ON with DTC(s) present for Hybrid/EV Battery Cooling Fan Circuit.

353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

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 the head unit. The following steps are instructions on how to

353000 EQUIPMENT:ELECTRICAL

070000 FUEL SYSTEM, GASOLINE

TSB: Some 2020 ? 2022 Highlander and Highlander Hybrid and 2021 ? 2022 Sienna Hybrid vehicles may exhibit a MIL ON condition with Diagnostic Trouble Codes (DTCs) P0087 (Fuel Rail/System Pressure ? Too Low) and/or P107A2A (Fuel Rail Pressu

110000 ELECTRICAL SYSTEM

353500 EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)

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, points of interest, and system software. The SST is used

353000 EQUIPMENT:ELECTRICAL

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

060000 ENGINE AND ENGINE COOLING

353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

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 call in progress after the call has ended. This condition h

110000 ELECTRICAL SYSTEM

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 released as field-fix procedures described in individual Serv

061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

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 Results screen has been enhanced to help identify if a repla

061610 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE

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 combination meter.

160000 STRUCTURE

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 under wrinkles in the Rapgard?. The wrinkles may trap water and

110000 ELECTRICAL SYSTEM

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) B15A804 is present in current or history. ?Red SOS LED

350000 EQUIPMENT

115000 ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM

350000 EQUIPMENT

TSB: This bulletin includes basic procedures for performing a rescue charge at battery on high voltage (HV) Ni-MH and Li-ion batteries. This bulletin should be used in conjunction with the applicable model and model year Repair Manual while

119100 ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY

353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

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. The pur

100001 HYBRID PROPULSION SYSTEM

TT: MIL ON with DTC(s) present for Hybrid/EV Battery Cooling Fan Circuit.

346000 COMMUNICATION:MANUFACTURER TELEMATICS

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

110000 ELECTRICAL SYSTEM

138000 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

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 Sienna Hybrid vehicles may exhibit decreased front windshield

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

OBSOLETE NOTICE March 22, 2022: This bulletin is now obsolete. Please see T-SB-0024-22.

114000 ELECTRICAL SYSTEM:WIRING

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 used in conjunction with the applicable model and model year El

110000 ELECTRICAL SYSTEM

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 diagnosis of this system and prevent the unnecessary replacem

118310 ELECTRICAL SYSTEM:ADAS:DRIVER MONITORING:SOFTWARE

190000 TIRES

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 near the point of vehicle sale and be available to any custom

200000 WHEELS

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

110000 ELECTRICAL SYSTEM

353000 EQUIPMENT:ELECTRICAL

110000 ELECTRICAL SYSTEM

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 engine oil. ?An ?Oil Pressure Low? warning message on the Mu

350000 EQUIPMENT

060000 ENGINE (PWS)

160000 STRUCTURE

353000 EQUIPMENT:ELECTRICAL

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 (Diagnostic Trouble Code) B15DB present. ?Changing the Auto Re

010000 STEERING

TT: Some 2021 model year Sienna HV vehicles may exhibit a scraping noise from the front when turning.

200000 WHEELS

TSB: Some 2021 model year Sienna Hybrid vehicles equipped with FWD and 20-in. clad wheels may exhibit a clicking/creaking noise from one or more of the wheels while driving. The clad wheels are a two-piece design that includes an alloy wh

353000 EQUIPMENT:ELECTRICAL

190000 TIRES

TSB During the manufacturing process, tires are mounted on the vehicle as matched sets to help reduce conditions such as pulling or drifting. If the wheels are replaced or refinished before vehicle delivery, it is important that the tires r

200000 WHEELS

350000 EQUIPMENT

TSB: 2022 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. During

356000 EQUIPMENT ADAPTIVE/MOBILITY

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

UPDATES TO THE 2014-2021 TOYOTA UNIVERSAL FLAT RATE MANUAL

110000 ELECTRICAL SYSTEM

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 functions. Registering either, or both, the ?Remote Engin

060000 ENGINE (PWS)

110000 ELECTRICAL SYSTEM

TT: Some vehicles equipped with Premium Audio systems may experience an inoperative condition that consists of displaying a ?Loading?? then a blank screen when pressing the MAP button. When performing the Storage Check in the Radio Diagnost

350000 EQUIPMENT

110000 ELECTRICAL SYSTEM

353500 EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)

100000 POWER TRAIN

TSB: Some 2021 model year Sienna Hybrid vehicles may exhibit a depleted 12V auxiliary battery when in IG-OFF due to a condition in which the Hybrid Vehicle Electronic Control Unit (HV ECU) does not sleep. The HV ECU may not sleep if any of

280000 BACK OVER PREVENTION

TT: Confirm the scraping noise is coming from the front of the vehicle and not the rear. If the condition occurs from the front of the vehicle, verify the vehicle meets ALL the following criteria: 1) Mileage is under 5,000 miles 2) Ve

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

TSB: This Service Bulletin provides a procedure to properly perform the Techstream ?Control the Injection Mode? active test in some 2016 ? 2021 model year Toyota vehicles equipped with an FKS engine.

140000 AIR BAGS

Toyota Safety Recall and Service Campaign - Technician Certification Requirements

220000 SEATS

TSB: Some 2010 ? 2021 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 under wrinkles in the Rapgard?. The wrinkles may trap water an

030000 BRAKES (PWS)

TT: Any customer brake concern in the New York and Boston Regions ONLY.

160000 STRUCTURE

TT: Some 2021 model year Sienna vehicles may exhibit a condition where the power slide door sensor assembly has a wavy or poor appearance.

030000 BRAKES (PWS)

TT: Any customer brake concern in the New York and Boston Regions ONLY.

350000 EQUIPMENT

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 ? 2021 model year vehicles may be available provided the re

Showing 100 of 133 bulletins.

TOYOTA SIENNA HYBRID — All Years Overview

Complete safety history for the TOYOTA SIENNA HYBRID across all model years (2021–2025).

12 Total Recalls

500 Total Complaints

0 Investigations

26 Reported Crashes

9 Reported Fires

0 Reported Deaths

TOYOTA SIENNA HYBRID — Year by Year

Compare recalls and complaints across model years. Click any year to see full details.

Year	Recalls	Complaints
2026	0	7	View
2025	4	283	View
2024	2	77	View
2023	1	74	View
2022	2	19	View
2021 (current)	3	40

Other TOYOTA Models

Model	Recalls	Complaints
TUNDRA	787	9,074	View
HIGHLANDER	677	6,756	View
RAV4	669	11,842	View
CROWN	548	141	View
TACOMA	406	10,562	View
VENZA	404	969	View
GRAND HIGHLANDER	388	332	View
PRIUS	365	15,456	View