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ProblemsByVin File / 2020-TOYOTA-SIENNA
2020 · toyota

toyota Sienna problems

1 safety recall. 34 owner complaints. We mapped every trouble spot before you sign the papers.

0 5 10
Reliability score
8.2 / 10

Solid reliability overall. Common issues are concentrated in a few systems.

0
Critical
1
Severe
0
Moderate

Top trouble spots 4 categories with 3+ complaints

powertrain
7 reports · avg $2,500
moderate
electrical
4 reports · avg $850
moderate
body
3 reports · avg $1,500
moderate
steering
3 reports · avg $700
moderate

What owners are saying recent NHTSA-filed complaints · verbatim

2020 Sienna · powertrain
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,…
12/23/2020 · NHTSA ODI #11384761.0
2020 Sienna · fuel system
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…
12/16/2020 · NHTSA ODI #11383659.0
2020 Sienna · electrical
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…
11/22/2024 · NHTSA ODI #11626786.0
2020 Sienna · other
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.
10/20/2020 · NHTSA ODI #11365346.0

Estimate your repair exposure

Drag to your current mileage. Numbers are derived from this vehicle's complaint history.

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Active recalls showing 1 of 1

severe NHTSA 19V532000 16/07/2019

Braun Corporation (Braun) is recalling certain modified 2017-2020 Toyota Sienna vehicles

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.

Common questions

Is the 2020 Toyota Sienna reliable?

Mostly yes. With a reliability score of 8.2 out of 10 based on 34 owner complaints filed with NHTSA, the 2020 Toyota Sienna is generally a sound vehicle. The areas to watch are listed in the top problem section above — most are budget items, not deal-breakers.

What's the most common problem on the 2020 Toyota Sienna?

Based on NHTSA records, the most-reported issue is powertrain, with 7 complaints filed. Average repair cost runs about $2,500 at an independent shop.

What's the most expensive thing that goes wrong?

The powertrain is one of the costlier repair items. Average repair cost runs about $2,500 at an independent shop. Catching early warning signs can sometimes extend life by 20–30,000 miles.

How do I check if my Toyota Sienna has open recalls?

Paste your VIN into the decoder at the top of this page. We pull live from NHTSA, so you'll see exactly which campaigns apply to your vehicle and whether the dealer has logged the fix. Recall repairs are always free regardless of mileage or warranty status.

Is an extended warranty worth it on a 2020 Toyota Sienna?

Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 34 complaints on file and the costliest repair averaging $2,500, one major failure more than pays for it. The catch is reading the contract — many providers exclude wear items and require pre-authorization, so cheaper plans aren't always better value.

Related vehicles

Recall and complaint data sourced from the National Highway Traffic Safety Administration (NHTSA) public records database, last synced 3 days ago. Editorial commentary written by ProblemsByVin contributors and reviewed by ASE-certified mechanics. We are not affiliated with toyota. Some links on this page are affiliate links and we may earn a commission if you complete a quote or purchase.
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