KnownCarProblems2020 Toyota Sienna Problems and Recalls
Owners filed 38 complaints with NHTSA about the 2020 Toyota Sienna, most often about the fuel system (21% of complaints). It is 21st of 21 Sienna model years by number of complaints and has 2 recalls.
Most common 2020 Toyota Sienna problems
Fuel system
8 complaints · 21%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)…
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.
Transmission
8 complaints · 21%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…
Electrical
7 complaints · 18%Parts named most often: instrument panel.
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…
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…
Engine
6 complaints · 16%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…
Other or unspecified
6 complaints · 16%Body and structure
4 complaints · 11%Parts named most often: body.
Brakes
3 complaints · 8%Parts named most often: antilock.
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…
Steering
3 complaints · 8%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…
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…
Complaints are owner reports to NHTSA, not verified defects. One complaint can name several components, so shares add up to more than 100%.
2020 Toyota Sienna recalls
Fuel system: fuel pump
Risk: If the fuel pump fails, the engine can stall while driving, increasing the risk of a crash.
Fix: 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
Full defect summary
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.
Steering
Risk: If the steering shaft extension completely fractures, it can cause a loss of steering, increasing the risk of a crash.
Fix: 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.
Full defect summary
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.
Recall repairs are free at any franchised dealer. Enter your VIN at nhtsa.gov/recalls to see which recalls are still open on your car.
Questions about the 2020 Toyota Sienna
- What are the most common problems with the 2020 Toyota Sienna?
- By NHTSA owner complaints: fuel system (8 complaints); transmission (8 complaints); electrical (7 complaints).
- How many recalls does the 2020 Toyota Sienna have?
- 2 recalls listed by NHTSA, the latest from November 4, 2020 (fuel system). Check your VIN at nhtsa.gov/recalls to see which ones are still open on your car.
- Is the 2020 a bad year for the Toyota Sienna?
- It is 21st of 21 Sienna model years by number of complaints, with 38 complaints. Complaint counts are not adjusted for how many cars were sold, so popular years collect more of them, and the newest years have had less time to.