Model-year record

2020 Toyota Sienna
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Federal source records
Complaints filed
36
Reports to NHTSA, 2020
Safety recalls
2
NHTSA campaigns on record
NHTSA crash test
Overall NCAP rating
Combined MPG
20.5
EPA estimate
Known issues
Power Train issues lead owner complaints (22% of 36 reports), followed by unknown or other (14%).
+ 5 more component categories with fewer reports.
Share of all 36 NHTSA complaints for this model year, grouped by the component owners named. Bars are scaled to the largest category. Examples: ODI 11736554, ODI 11733827, ODI 11681131, ODI 11680231, ODI 11531570.
Individual complaint reports(36)
Showing the 36 most recent reportsAir BagsJun 2026 · ODI 11745526Details +Close −
We had our van parked on a driveway with a front facing slope, we had hard rains went we where going away there was water coming out of the seat belt on the passenger side and the panel above the window was stained down to the window support where the air bag is. I've been reading reports as far back as 2008 we have a 2020, went taken to the dealer they want 1000 to 2700 to remove the head liner and try to fine the problem, which what was reported didn't help. The dealer recommended to not park with the front of the van facing down hill if rain is forecast, my problem is that Toyota has not been required to fix the leaks. I'm calling my local dealership tomorrow about are leak.
- Reported
- Jun 2026
- Incident date
- Jun 2026
- Mileage
- Not provided
- Outcome flags
- None reported
Power TrainMay 2026 · ODI 11736554Details +Close −
My Toyota sienna is a 2020, has 83,000 miles and has recently been squealing when I accelerate. I took the van to a local body shop and they said it seems to be my transmission. I called Toyota immediately and they knew that the transmissions were faulty and that they would try to work with Toyota to get it fixed. There is no way I can pay 9k for a new transmissions because they put in faulty ones.
- Reported
- May 2026
- Incident date
- May 2026
- Mileage
- Not provided
- Outcome flags
- None reported
Power TrainApr 2026 · ODI 11733827Details +Close −
The vehicle is a 2020 Toyota Sienna. While driving, the engine suddenly shut off without warning, creating a dangerous situation and loss of power. This occurred while transporting children, increasing the safety risk. A mechanic inspected the vehicle and diagnosed a failure of the low-pressure fuel pump. The problem appears intermittently — sometimes the vehicle runs normally, and other times it stalls or loses power. The check engine light has turned on and off. This issue matches the known defect related to the Denso fuel pump recall affecting many Toyota vehicles from similar model years. However, my VIN is not included in the recall. This is a serious safety concern because the engine can shut off unexpectedly while driving, which could lead to an accident. I believe this vehicle may have the same defective component as those included in the recall, even though it is not currently listed. The issue has been confirmed by an independent mechanic and the vehicle is available for inspection if needed.
- Reported
- Apr 2026
- Incident date
- Apr 2026
- Mileage
- Not provided
- Outcome flags
- None reported
Unknown Or OtherApr 2026 · ODI 11730749Details +Close −
cable broke on sliding door and unable to open or access cabin on that side. turned off power to door and still unable to force door open making it difficult to unlatch car seat on that side. safety hazard in accident or rollover
- Reported
- Apr 2026
- Incident date
- Apr 2026
- Mileage
- Not provided
- Outcome flags
- None reported
StructureOct 2025 · ODI 11693401Details +Close −
The power sliding door assembly failed, and the driver side rear sliding door was bound shut, and could not be opened. Disabling the power door system did not resolve the issue. The cable for the power door mechanism was hanging below the rear vent windows; but for some reason the door still would not open. I ultimately with a lot of gentle force was able to get the door open enough to see the retract side of the cable was bound up, and was able to cut it with wire cutters, and ultimately get the door to work normally as a non-powered manual sliding door. Since the original NHTSA BULLITIN on this was published in 6/2019 before my 2020 Sienna was manufactured, and Toyota did not change the mechanism until the 2021 model redesign, I believe that RECALL should be extend to all 2019 and 2020 vehicles. This seems dangerous that the door does not default to manual operation in error.
- Reported
- Oct 2025
- Incident date
- Oct 2025
- Mileage
- Not provided
- Outcome flags
- None reported
Power TrainAug 2025 · ODI 11681131Details +Close −
"I've owned the vehicle for five years, and recently I started hearing a whining noise coming from the transmission. After doing some research, I discovered that I'm not alone in experiencing this issue. The dealer told me that the transmission itself is the problem and recommended replacing the entire transmission. However, a second opinion suggested that this kind of noise isn't normal. I'm worried about safety because, although it's just a whine right now, I fear it could fail unexpectedly. I have a child in a wheelchair, and ensuring my vehicle's safety is very important to me."
- Reported
- Aug 2025
- Incident date
- May 2025
- Mileage
- Not provided
- Outcome flags
- None reported
Power TrainAug 2025 · ODI 11680231Details +Close −
A catastrophic failed automatic transmission; UA80E of Toyota Sienna 2020 at 85,000 miles. It occurred while I've been driving downhill. No warning lights, not overheating, no diagnostic ODB code, no other indications prior to the failure. Failure created a substantial safety risk for myself, my four passengers and other road users. Sudden loss of transmission function could lead to potential dangerous situation. Minivan was towed to the nearest Toyota dealer where transmission assembly was confirmed for replacement.
- Reported
- Aug 2025
- Incident date
- Aug 2025
- Mileage
- Not provided
- Outcome flags
- None reported
VisibilityJul 2025 · ODI 11671872Details +Close −
In August of 2024, we noticed the drivers side rear view mirror had come loose from it's external housing and was only tethered by wiring that was for mirror movement, defrosting and blind spot awareness. In order for it to be safe to use, we had to duct tape it so that it would not move. Unfortunately, the mirror continues to loosen and has to be retaped frequently. We took it to our dealer (McGovern Toyota) in Portsmouth, NH 0n 23 September 2024 and were told that it could not be fixed but had to be replaced and were quoted an amount of $2025.29 .We were also told that the part was on national backorder and may take a few weeks to arrive. Due to the astonomical cost of replacement, I tried to find other solutions and contacted other dealers and body shops but was told it had to be replaced and could not be fixed. I brought the car into another dealer, nearby (Ira Toyota) in Saco, Maine and they also said it had to be replaced and quoted an amount of $1937.70.I asked them to order the part, which they too, said was in national backorder. I contacted our automobile insurance company (AMICA) who agreed to cover the part and labor and issued a check for $1,420.60. Every month, I would call the dealer and every month I was told that Toyota estimated a delivery within a month, but that month would come and go with no part. For the last several months, I have been in touch with TOYOTA and their "brand engagement advocate" named Julie has reviewed our concern and also has stated that the part will be available by the end of the months of February, March, April, May, June and now July. I have written emails to TOYOTA expressing my dissatisfaction and now have a vehicle which is unsafe to drive due to the instability of the mirror and a vehicle which will not pass inspection (according to the dealer). I feel TOYOTA is lying about the parts actual availability and being disingenuous to what was a loyal customer. I am at a loss what to do next.
- Reported
- Jul 2025
- Incident date
- Aug 2024
- Mileage
- Not provided
- Outcome flags
- None reported
Electrical SystemNov 2024 · ODI 11626786Details +Close −
The contact owns a 2020 Toyota Sienna. The contact stated that while his wife was driving at an undisclosed speed, the pre collision, lane assist, and air bag warning lights illuminated on the instrument panel. The vehicle was taken to a dealer and a fuse in the ECU (Electronic Control Unit) was replaced; however, the contact stated that approximately 10 days later, the failure recurred. The vehicle was taken back to the dealer where the vehicle remained for almost two weeks. The contact was informed that the wiring harness needed to be replaced; however, the wiring harness was on backorder. The manufacturer was notified of the failure, but no additional assistance was provided. The contact was provided a case number. The vehicle was not repaired. The failure mileage was approximately 60,000.
- Reported
- Nov 2024
- Incident date
- Sep 2024
- Mileage
- Not provided
- Outcome flags
- None reported
StructureAug 2024 · ODI 11607833Details +Close −
Hinge rust on fuel door causing it to break and not let rear passenger door auto open (because switch won't make up) hinge is very weakly built
- Reported
- Aug 2024
- Incident date
- Aug 2024
- Mileage
- Not provided
- Outcome flags
- None reported
Unknown Or OtherJul 2024 · ODI 11602345Details +Close −
Sun roof leaking or clogging causing water to get inside vehicle. Causing extensive damages and malfunctions
- Reported
- Jul 2024
- Incident date
- Jun 2024
- Mileage
- Not provided
- Outcome flags
- None reported
Electrical SystemApr 2024 · ODI 11581325Details +Close −
Spontaneous and random: Blinkers come on, radio volume goes up or down when turning the other way, CarPlay USB shuts off and on, hiccups when accelerating (when ECO kicks on/in)…everything points to an electrical/computer issue. Purchased used from a dealership and noticed these issues after the 3-day return window.
- Reported
- Apr 2024
- Incident date
- Dec 2023
- Mileage
- Not provided
- Outcome flags
- None reported
Electrical SystemApr 2024 · ODI 11581181Details +Close −
Speakers make an ear piercing loud noise that lasts about a second. If this sound were to occur during travel, could cause distraction leading to harm, or with young kids in the car, possibly damage their ears. This problem has been random and not experienced by a dealership. No warning messages or symptoms to the problem. Problem first appeared 6 months ago.
- Reported
- Apr 2024
- Incident date
- Oct 2023
- Mileage
- Not provided
- Outcome flags
- None reported
StructureJan 2024 · ODI 11563987Details +Close −
The passenger side rear door unlocked and opened by itself in the middle of the night, no warning messages were given previously, doors were locked that night. Keys were not accidentally pressed on. It seems that others have had similar problems with Toyota Siennas in the past as well.
- Reported
- Jan 2024
- Incident date
- Jan 2024
- Mileage
- Not provided
- Outcome flags
- None reported
SteeringSep 2023 · ODI 11547302Details +Close −
The contact owns a 2020 Toyota Sienna. The contact stated while driving at various speeds, the vehicle lost power steering assist. Additionally, the "Check Vehicle Stability Control System", "Pre-Collision System Malfunction", and "Lane Departure Alert" messages were displayed. The vehicle was initially taken to an independent mechanic where the rack and pinion was replaced; however, the failure persisted. The dealer was then notified of the failure and informed the contact that there were no open recalls on the VIN. Upon investigation, the contact discovered NHTSA Campaign Number: 19V532000 (Steering) which he linked to the failure. The manufacturer was not notified of the failure. The vehicle was not repaired. The failure mileage was unknown.
- Reported
- Sep 2023
- Incident date
- Sep 2022
- Mileage
- Not provided
- Outcome flags
- None reported
Service BrakesAug 2023 · ODI 11539977Details +Close −
The brake peddle is too small, it feels like my foot is going to come off of it or miss it. Some time's I lose a second or two trying to locate it with my foot, very frightening, and dangerous Every vehicle I have ever owned had a brake peddle twice that size. Yes it's a mini van, but the brake peddle does not need to be mini. This vehicle can carry 8 adults with lots of extra room, it should not even be classified a mini van. The brake peddle is less then 4 inches wide. Please look into this dangerous issue. Photos attached.
- Reported
- Aug 2023
- Incident date
- Aug 2023
- Mileage
- Not provided
- Outcome flags
- None reported
Unknown Or OtherAug 2023 · ODI 11536966Details +Close −
I came to sellers home to look at his van. His ad said mileage was 77k and odometer also read 77k. When I ran the Carfax, I noticed CA DMV registered title at 143k. Seller admitted to replacing dashboard when confronted. Address of seller is [XXX] . I don't have a name. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
- Reported
- Aug 2023
- Incident date
- Aug 2023
- Mileage
- Not provided
- Outcome flags
- None reported
Service BrakesJul 2023 · ODI 11535008Details +Close −
The contact owns a 2020 Toyota Sienna. The contact stated while driving approximately 15 MPH and making a turn, the brake pedal was depressed, and the vehicle skidded. The ABS warning light was illuminated. There was an abnormal sound coming from the vehicle. The vehicle was taken to the local dealer, where it was diagnosed that there was a speed sensor short circuit on the front passenger’s side, and that the brake actuator was fractured. The vehicle was not repaired due to parts not being available. The manufacturer was notified of the failure, but no assistance was provided. The failure mileage was approximately 28,000. The VIN was not available.
- Reported
- Jul 2023
- Incident date
- Jul 2023
- Mileage
- Not provided
- Outcome flags
- None reported
Power TrainJul 2023 · ODI 11531570Details +Close −
My car was not shifting gears, and it would go into brief periods of erratic acceleration. I took it to the dealer service dept. The transmission went bad. It had metal pieces broken off inside it. The car is 3 years old and only has approximately 70,900 miles on it. It was dangerous to drive. It put me, my kids, and other drivers at risk due to the erratic shifting it would do while driving. The issues started slowly on 6/23/23. The check engine light was on by 6/24/23.
- Reported
- Jul 2023
- Incident date
- Jun 2023
- Mileage
- Not provided
- Outcome flags
- None reported
Power TrainSep 2022 · ODI 11486860Details +Close −
For a month prior, there were intermittent incidents of the van shuddering and the RPM needle jumping upon ignition. Sometimes the van would have a hard time accelerating before jerking and driving normally. No issues before this started in late July and no indication when/where would occur. •September 15: drove the van all day running errands. It drove normally. Filled up the gas tank (Gulf gas station), then continued errands. About a half hour later, while at a stop sign, a notification appeared that the “Traction Control System has been turned off” and the check engine light came on. Tried to move through the stop sign, but the van would barely go. Applied the gas, but no results. Able to turn onto a side street and had to have it towed to Toyota of Irving. The Service Advisor stated the issue was due due to bad gas and indicated the van needed to be flushed and the fuel injection system cleaned. Paid $725 for these repairs. •September 17: Started van in driveway. Shuddering and RPM needle jumping again. Drove normally. •September 21: Same as above. •September 25: Drove the van all day with no issues. Filled up with Valero Plus gas. As we pulled out of the gas station and sitting at the light, the Traction Control message and check engine light again appeared. The van would barely go to get us through the traffic light and into a nearby parking lot. Once we parked, the screen displayed the following message:"A malfunction in the electronic control of the engine, throttle, or automatic transmission has been detected." Had the vehicle towed to Toyota of Irving. The service advisor called 2 days later to say they cannot detect any issues.
- Reported
- Sep 2022
- Incident date
- Sep 2022
- Mileage
- Not provided
- Outcome flags
- None reported
Fuel/Propulsion SystemSep 2022 · ODI 11484734Details +Close −
The van has been periodically hesitating, rough idles, and when parked the rpm revs. On 9/13/22, the van was shaking, hesitating, and would not accelerate. It was undrivable and had to be towed. We took it to Toyota of Irving where they charged us $725 to flush the gas and clean the fuel injection system. Despite this, it is still hard idling and hesitating.
- Reported
- Sep 2022
- Incident date
- Sep 2022
- Mileage
- Not provided
- Outcome flags
- None reported
Fuel SystemMay 2022 · ODI 11465471Details +Close −
The contact owns a 2020 Toyota Sienna. The contact stated while driving approximately 60-65 MPH, the vehicle stalled temporarily. Several unknown warning lights were illuminated. The contact depressed the accelerator pedal and was able to continue driving. The contact later received notification of NHTSA Campaign Number: 20V682000 (Fuel System, Gasoline) and the vehicle was taken to the dealer for the recall repair. The contact stated that the fuel pump was replaced; however, the failure recurred a year later. The vehicle was taken to the dealer however, the mechanic was unable to duplicate the failure. The vehicle was not repaired. The manufacturer was notified of the failure and a case was opened. The failure mileage was approximately 10,000. The consumer stated the pump was replaced but the problem still occurs.
- Reported
- May 2022
- Incident date
- Jun 2021
- Mileage
- Not provided
- Outcome flags
- None reported
EngineMar 2022 · ODI 11457450Details +Close −
Engine stalled in heavy traffic after full stop at red light. No warning lights. Managed to pull off the road. Still no warning lights. Turned engine off then started normally. Drove to destination normally. After about one hour parked started engine but it stumbled on and off for the next few minutes but did not die. Has not reoccurred. Outside temps were in the 60's. It was first trip of the day. Incident occurred about 4 miles from origin. Symptoms occurred again 6/2/22: Starting from full stop (engine was idling normally), gave it partial throttle whereupon engine stumbled (died very briefly), Master Warning Light lit briefly, all power was lost. Consumer applied additional throttle, engine stumbled then began running normally and warning light extinguished. Remainder of trip was normal. Vehicle was taken to local dealer after first incident but dealer reported no issues were found.
- Reported
- Mar 2022
- Incident date
- Mar 2022
- Mileage
- Not provided
- Outcome flags
- None reported
Unknown Or OtherOct 2021 · ODI 11438176Details +Close −
Jack provided with vehicle failed during change of tire.
- Reported
- Oct 2021
- Incident date
- Oct 2021
- Mileage
- Not provided
- Outcome flags
- None reported
Power TrainJul 2021 · ODI 11425334Details +Close −
Car has about 16,000 miles. When accelerating slowly from a stop, vehicle hesitates, shakes, and runs rough as it slowly progresses thru first, second, & third gears. After transmission gets in fourth gear, hesitation and roughness goes away. This issue is rapidly getting worse.
- Reported
- Jul 2021
- Incident date
- Feb 2021
- Mileage
- Not provided
- Outcome flags
- None reported
Unknown Or OtherJun 2021 · ODI 11420552 · fireDetails +Close −
ON jUNE 3, 2021 I experienced a drastic loss in power and all warning light illuminated on the dash , was able to get of the highway to a safe area and vehicle ceased to function . This happened after the fuel pump recall was performed at Ed Morse Toyota in Delray Beach around February. It had been functioning perfectly up until this massive failure. When tow truck operator arrived and tried to start, is caught fire and was severely damaged.
- Reported
- Jun 2021
- Incident date
- Jun 2021
- Mileage
- Not provided
- Outcome flags
- Fire
SteeringApr 2021 · ODI 11406711Details +Close −
TL* THE CONTACT OWNS A 2020 TOYOTA SIENNA. THE CONTACT STATED WHILE DRIVING 55 MPH, THE STEERING WHEEL WAS DIFFICULT TO STEER. THE CONTACT STATED NO WARNING LIGHT WAS ILLUMINATED. THE VEHICLE WAS NOT TAKEN TO A LOCAL DEALER OR AN INDEPENDENT MECHANIC TO BE DIAGNOSED OR REPAIRED. THE MANUFACTURER HAD NOT BEEN INFORMED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 6,200.
- Reported
- Apr 2021
- Incident date
- Apr 2021
- Mileage
- Not provided
- Outcome flags
- None reported
Fuel/Propulsion SystemMar 2021 · ODI 11405145Details +Close −
THE FUEL PUMP NEEDS REPLACED AND HAS BEEN RECALLED. THE RECALL CAN CAUSE AN INCREASED RISK OF A CRASH. WE STILL HAVEN'T HAD THIS REPLACED IN A TIMELY MANNER AND IT'S NOT SAFE FOR MY SMALL CHILDREN.
- Reported
- Mar 2021
- Incident date
- Nov 2020
- Mileage
- Not provided
- Outcome flags
- None reported
Fuel/Propulsion SystemMar 2021 · ODI 11403299Details +Close −
THIS VEHICLE IS OWNED BY EMORY UNIVERSITY. EMORY UNIVERSITY WAS NOTIFIED LAST YEAR (OCTOBER) THAT THE LOW PRESSURE FUEL PUMP MAY STOP OPERATING. TO DATE, THERE HAS BEEN NO REPAIR OFFERED BY TOYOTA. 2020 TOYOTA SIENNA AS SUCH EMORY UNIVERSITY WILL NOT LET US OPERATE IT UNTIL IT HAS BEEN REPAIRED. NEARLY SIX MONTHS LATER, NO REPAIR.
- Reported
- Mar 2021
- Incident date
- Oct 2020
- Mileage
- Not provided
- Outcome flags
- None reported
WheelsFeb 2021 · ODI 11395327Details +Close −
TIRE WEAR ON INSIDE OF TIRES ALL TIRES HAVE BEEN ROTATED EVERY 4K MILES NOW HAVING TO REPLACE 4 TIRES AT A COST OF $1250.00
- Reported
- Feb 2021
- Incident date
- Feb 2021
- Mileage
- Not provided
- Outcome flags
- None reported
Fuel/Propulsion SystemJan 2021 · ODI 11389265Details +Close −
TL* THE CONTACT OWNS A 2020 TOYOTA SIENNA. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 20V682000(FUEL SYSTEM, GASOLINE) HOWEVER, THE PART TO DO THE RECALL REPAIR WAS UNAVAILABLE. ED MORSE DELRAY TOYOTA(2800 S FEDERAL HWY, DELRAY BEACH, FL 33483) WAS CONTACTED AND IT WAS CONFIRMED THAT PARTS WERE NOT YET AVAILABLE. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE AND GAVE HER A LOANER VEHICLE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. VIN TOOL CONFIRMS PARTS NOT AVAILABLE.
- Reported
- Jan 2021
- Incident date
- Dec 2020
- Mileage
- Not provided
- Outcome flags
- None reported
Power TrainDec 2020 · ODI 11384761Details +Close −
PURCHASED RENTAL PROGRAM VEHICLE AND IMMEDIATELY HAD VEHICLE SERVICED AT THE DEALERSHIP. RECEIVED A PHONE CALL FROM SERVICE ADVISOR THAT AUTOMOTIVE TECHNICIAN HAD FOUND A MECHANICAL PROBLEM. IT WAS STATED THAT A HOSE HAD COME LOOSE/APART IN THE AXLE AND FLUID WAS LEAKING. NOW, WE HAD PURCHASED VEHICLE DAY BEFORE AND THE FOLLOWING DAY DROPPED VEHICLE FOR SERVICE AT DEALERSHIP. AS A CONSUMER, I NEED A MAINTENANCE BASELINE. THE BRIEF TIME DRIVING THE VEHICLE, THERE WAS NO VISIBLE/AUDIBLE CLUE THAT MECHANICAL ISSUE WAS PRESENT. EXACT DESCRIPTION OF WARRANTY WORK PERFORMED [DRIVER SIDE FRONT AXLE ASSEMBLY, AXLE COMING APART INTERNALLY] REPLACED DRIVER SIDE FRONT AXLE ASSEMBLY. FORTUNATELY, VEHICLE WAS BEING SERVICED AND THIS COMPONENT DID NOT FAIL WHILE IN MOTION.
- Reported
- Dec 2020
- Incident date
- Dec 2020
- Mileage
- Not provided
- Outcome flags
- None reported
Fuel SystemDec 2020 · ODI 11383659Details +Close −
TL* THE CONTACT OWNS A 2020 TOYOTA SIENNA. THE CONTACT STATED THAT WHILE DRIVING AT VARIOUS SPEEDS, THE VEHICLE INTERMITTENTLY JERKED AND LUNGE FORWARD WHILE THE ACCELERATOR PEDAL WAS DEPRESSED. THERE WAS NO WARNING. THE CONTACT THEN RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 20V682000 (FUEL SYSTEM, GASOLINE) HOWEVER, THE PART TO DO THE RECALL REPAIR WAS NOT YET AVAILABLE. VICTORY TOYOTA (5 HEITZINGER PLAZA, SEASIDE, CA 93955, (831) 393-3020) WAS CONTACTED AND IT WAS CONFIRMED THAT PARTS WERE NOT YET AVAILABLE. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE. THE FAILURE MILEAGE WAS APPROXIMATELY 4,000. VIN TOOL CONFIRMS PARTS NOT AVAILABLE.*DT*JB
- Reported
- Dec 2020
- Incident date
- Aug 2020
- Mileage
- Not provided
- Outcome flags
- None reported
SeatsOct 2020 · ODI 11365346Details +Close −
PLEASE NOTE THAT THE TOYOTA ALL WEATHER FLOOR MATS INCLUDED WITH THE 2020 SIENNA DO NOT ALLOW THE 2ND ROW SEATS TO SLIDE BACK AND FORTH ON THE RAILS WITHOUT GETTING JAMMED ON THE MATS. MY SON WAS IN THE 3RD ROW AND THE SEAT GOT JAMMED N THE MAT AND HE COULD NOT EXIT THE VEHICLE.
- Reported
- Oct 2020
- Incident date
- Oct 2020
- Mileage
- Not provided
- Outcome flags
- None reported
SteeringJun 2020 · ODI 11329923Details +Close −
WHILE DRIVING ON HWY, SUDDENLY ENGINE LIGHT CAME ON. ALSO I LOST ACCELERATION. WHEN I PRESS GAS PEDAL NO RESPONSE FROM CAR. VEHICLE WAS SLOWING DOWN SO PULLED INTO GAS STATION. WHEN I STOPPED THE CAR, ENGINE LIGHT WAS STILL ON, TRACTION LIGHT CAME ON AND STEERING SYSTEM LIGHT CAME ON. ALSO ENGINE LIGHT WAS SOLID AND IT WAS NOT FLASHING
- Reported
- Jun 2020
- Incident date
- Jun 2020
- Mileage
- Not provided
- Outcome flags
- None reported
Electrical SystemOct 2019 · ODI 11268737Details +Close −
DEAR TO WHO CONCERN THIS CASE, ON AUGUST 26, 2019, I PURCHASED A BRAND NEW CAR, SIENNA, TOYOTA 2020 FROM PRINCIPLE TOYOTA ON 7370 WINCHESTER RD, MEMPHIS, TENNESSEE 38125. I DISCOVERED THAT THERE ARE MAJOR ISSUES WITH THE CAR. I WAS GUARANTEED BY THE DEALER THAT THE CAR IS IN PERFECT WORKING CONDITION BEFORE PURCHASE. HOWEVER, AFTER DRIVING THE NEW CAR FOR FEW DAYS, THE KEY REMOTE STOPPED WORKING AND I REVISITED THE DEALERSHIP TO GET IT FIXED. I TALKED TO JIMMY ROCKER, ONE OF THE SALE ASSOCIATES, AND HE TRANSFERRED ME TO THE TOYOTA SERVICE CENTER. AFTER FEW MORE DAYS OF DRIVING THE CAR, MORE PROBLEMS EMERGED. THE CAR WARNING MONITOR INDICATED 'AWD SYSTEM MALFUNCTION 2WD MODE ENGAGED, CONTACT YOUR DEALER' AS WELL AS 'BRAKE OVERRIDE MALFUNCTION, VISIT YOUR DEALER'. NOT ONLY THE WARNINGS, THE CAR SUDDENLY STOPPED ON THE HIGHWAY. LUCKILY THERE WERE NO CARS BEHIND ME, OTHERWISE I WOULD HAVE BEEN INJURED. THE SECOND TIME I REVISITED THE DEALERSHIP, I ENCOUNTERED CHRIS THOMPSON, THE NEW CAR DIRECTOR AT PRINCIPLE TOYOTA. I SUGGESTED HIM TO INSPECT MY CAR AND FINDING A SOLUTION FOR IT. I HAVE TRIED TO EXPLAIN TO HIM HOW IT WAS DANGEROUS FOR ME AND MY FAMILY. I HAVE TWO KIDS WHO ARE DRIVING WITH ME AND IF THE SITUATION HAPPENED AGAIN, WE WOULD HAVE BEEN FATALLY INJURED. CHRIS DID NOT LISTEN TO MY STORY BUT INSTEAD TOLD ME THAT THE CAR DOES NOT BELONG TO HIM AND HE JUST WALKED AWAY IN FRONT OF OUR CONVERSATION. I WAS VERY DISAPPOINTED BECAUSE OF HIS INDIFFERENCE TOWARDS MY SITUATION AND THE TYPE OF CUSTOMER SERVICE I RECEIVED WAS NOT EXPECTED FROM A WELL-KNOWN COMPANY LIKE YOURS. TO ENSURE THE SAFETY OF KIDS AND MY FAMILY, I DEMAND A REPLACEMENT OF THE CAR AS WELL AS ANY COMPENSATION ASSOCIATED MY SPENT TIME AT THE DEALERSHIP. I HOPE THERE WILL BE A REASONABLE SOLUTION FOR MY CASE. BEST REGARDS, [XXX] REDACTED TO PROTECT PERSONALLY IDENTIFIABLE INFORMATION PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *CC *TR
- Reported
- Oct 2019
- Incident date
- Aug 2019
- Mileage
- Not provided
- Outcome flags
- None reported
Recalls(2)
Open a recall to read what NHTSA says is wrong, what can happen, and how it gets fixed. Check the VIN and remedy eligibility with a dealer; federal no-charge requirements have an age limit, though a manufacturer may offer more coverage.
Fuel SystemApr 2020 · 20V682000Details +Close −
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2018-2019 4Runner, 2019-2020 Avalon, 2019 Corolla Hatchback, 2017-2019 Highlander, 2018-2020 Camry, 2020 Corolla, 2018-2019 Land Cruiser, 2017-2020 Tacoma, 2019-2020 RAV4, 2019-2020 Sequoia, 2017-2020 Sienna, 2019-2020 Tundra, 2018-2020 Lexus ES350, 2017 Lexus GS200t, 2017-2019 Lexus GS350, 2019 Lexus GS300, 2018-2020 Lexus LC500h, 2019-2020 Lexus LS500, 2018-2019 Lexus GX460, 2017 Lexus IS200t, 2019 Lexus IS300, 2019 Lexus IS350, 2018-2020 Lexus LC500, 2018 Lexus LS500, 2019 Lexus LS500h, 2018-2019 Lexus LX570, 2017 Lexus RC200t, 2019 Lexus RC300, RC350, 2017 and 2019-2020 Lexus RX350, 2018-2020 RX350L, 2019 Lexus UX200, 2018-2019 Lexus NX300 vehicles. The low-pressure fuel pump inside the fuel tank may fail.
Risk: If the fuel pump fails, the engine can stall while driving, increasing the risk of a crash.
Remedy: Toyota will notify owners, and dealers will replace the fuel pump assembly with an improved one, free of charge. Owners of specific models were notified that remedy parts were available starting January 21, 2021. Owners of other models will be notified as remedy parts become available. Remedy parts should be available for all affected vehicles by late March 2021. Owners may contact Toyota customer service at 1-888-270-9371 or Lexus customer service at 1-800-255-3987. Note: This recall is an expansion of recall 20V-012. Toyota's number for this recall is 20TA02. Lexus' number for this recall is 20LA01.
Open full NHTSA recall record →Steering · 19V532000Details +Close −
Braun Corporation (Braun) is recalling certain modified 2017-2020 Toyota Sienna vehicles. The steering shaft extensions may have been improperly manufactured, possibly causing the extensions to fracture.
Risk: If the steering shaft extension completely fractures, it can cause a loss of steering, increasing the risk of a crash.
Remedy: Braun has notified owners, and dealers will replace the steering shaft extensions, free of charge. The recall began July 25, 2019. Owners may contact Braun customer service at 1-800-488-0359.
Open full NHTSA recall record →A campaign can apply to this model year without being incomplete on a specific vehicle. Check the VIN with NHTSA or a dealer to confirm whether a particular car needs repair.
Investigations
0 NHTSA investigations on record
No investigations are on record as of Jul 2026. An empty record is not a clean bill of health.
Crash-test ratings
2020 Toyota SIENNA VAN AWD NHTSA source
- Overall
- Frontal
- Side
- Rollover
2020 Toyota SIENNA VAN FWD NHTSA source
- Overall
- Frontal
- Side
- Rollover
Fuel economy by trim
| Trim | Engine | Drivetrain | Transmission | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Sienna 2WD | 3.5L 6-cyl | Front-Wheel Drive | Automatic (S8) | 19 | 26 | 21 |
| Sienna AWD | 3.5L 6-cyl | All-Wheel Drive | Automatic (S8) | 18 | 24 | 20 |
EPA laboratory estimates by trim and engine. Actual mileage varies with driving, weather, load, and maintenance. EPA source.
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Useful next checks
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Compare the year-by-year record
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2020 Toyota Sienna: frequently asked
What does the complaint record show for the 2020 Toyota Sienna?
Owners filed 36 NHTSA complaints about the 2020 Toyota Sienna. This is raw owner-reported complaint volume with no production or exposure normalization, so it is not a reliability score or a best/worst-year ranking.
What are the most common problems on the 2020 Toyota Sienna?
The most-reported problem areas are Power Train (22% of complaints) and unknown or other (14%).
How many recalls does the 2020 Toyota Sienna have?
2 recalls have been issued that affect the 2020 Toyota Sienna, covering components such as fuel system. Check the VIN with NHTSA and ask a dealer to confirm remedy eligibility; federal no-charge requirements have an age limit, though manufacturers may offer more coverage.
What gas mileage does the 2020 Toyota Sienna get?
The EPA rates the 2020 Toyota Sienna between 20 and 21 mpg combined, depending on trim and drivetrain.