2020 Toyota SIENNA: complaints, problems and recalls
Explore the records behind recurring owner reports.
Key facts
38 owner complaints analyzed
2 distinct recall campaigns
14,571 mi median reported failure mileage
Scope: 2020 model year. Data snapshot: . 11 complaints include usable failure mileage.
Most common problems
Power Train is the most frequently named component, appearing in 8 of 38 complaints (21.1%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Transmission and shifting | 6 | 15.8% |
| Fuel system concerns | 6 | 15.8% |
| Electrical and battery issues | 4 | 10.5% |
| Engine operation | 3 | 7.9% |
| Braking behavior | 3 | 7.9% |
| Steering behavior | 3 | 7.9% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Power Train | 8 |
| Electrical System | 6 |
| Engine | 6 |
| Fuel/Propulsion System | 6 |
| Unknown Or Other | 6 |
| Structure:Body | 4 |
| Steering | 3 |
| Fuel System, Gasoline | 2 |
Power Train: 8; Electrical System: 6; Engine: 6; Fuel/Propulsion System: 6; Unknown Or Other: 6; Structure:Body: 4; Steering: 3; Fuel System, Gasoline: 2
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 7 |
| 25,000 to 49,999 | 2 |
| 50,000 to 74,999 | 1 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 0 |
| 150,000 and above | 1 |
Under 25,000: 7; 25,000 to 49,999: 2; 50,000 to 74,999: 1; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 1
Under 25,000 miles has the most reports with usable mileage (7). 27 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2019 | 1 |
| 2020 | 4 |
| 2021 | 8 |
| 2022 | 4 |
| 2023 | 5 |
| 2024 | 6 |
| 2025 | 4 |
| 2026 | 6 |
2019: 1; 2020: 4; 2021: 8; 2022: 4; 2023: 5; 2024: 6; 2025: 4; 2026: 6
Pattern summary
Power Train leads the component reports. Transmission and shifting appears in 6 complaint narratives. Fuel system concerns appears in 6 complaint narratives. Electrical and battery issues appears in 4 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Examples from the source records
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 11268737 · 2019-10-15 (October 15, 2019)
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…
Owner-reported narrative. Look up ODI 11268737 at NHTSA ↗
Owner report 11329923 · 2020-06-21 (June 21, 2020)
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
Owner-reported narrative. 2,644 miles reported. Look up ODI 11329923 at NHTSA ↗
Owner report 11365346 · 2020-10-20 (October 20, 2020)
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.
Owner-reported narrative. 170 miles reported. Look up ODI 11365346 at NHTSA ↗
Owner report 11383659 · 2020-12-16 (December 16, 2020)
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, [phone removed]) WAS CONTACTED AND IT WAS CONFIRMED THAT PARTS WERE NOT YET AVAILABLE. THE MANUFACTURER WAS MADE A…
Owner-reported narrative. 4,000 miles reported. Look up ODI 11383659 at NHTSA ↗
Owner report 11384761 · 2020-12-23 (December 23, 2020)
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 …
Owner-reported narrative. 30,723 miles reported. Look up ODI 11384761 at NHTSA ↗
Owner report 11389265 · 2021-01-21 (January 21, 2021)
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.
Owner-reported narrative. Look up ODI 11389265 at NHTSA ↗
Owner report 11395327 · 2021-02-08 (February 8, 2021)
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
Owner-reported narrative. 14,571 miles reported. Look up ODI 11395327 at NHTSA ↗
Owner report 11403299 · 2021-03-16 (March 16, 2021)
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.
Owner-reported narrative. Look up ODI 11403299 at NHTSA ↗
Recall history
2 distinct campaigns affect this selection. Announcement dates below are different from vehicle model years. A campaign may cover multiple years.
19V532000 · Steering
Reported: 2019-07-16 (July 16, 2019)
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.
Consequence: 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.
NHTSA campaign record ↗20V682000 · Fuel System, Gasoline:Delivery:Fuel Pump
Reported: 2020-11-04 (November 4, 2020)
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.
Consequence: 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.
NHTSA campaign record ↗