AutoUtility currently tracks 152 official NHTSA owner defect complaints for the 2017 Toyota Sienna. Powertrain & Transmission issues are the most frequently reported category, appearing in 36 complaints (23.7% of submitted records). Among these NHTSA complaint records, 13 filings cite a crash, 4 cite a fire, 9 report one or more injuries.
Factual proportion of owner complaints categorized by automotive subsystem in NHTSA records
36 owner complaints submitted to NHTSA ODI for this subsystem.
20 owner complaints submitted to NHTSA ODI for this subsystem.
17 owner complaints submitted to NHTSA ODI for this subsystem.
16 owner complaints submitted to NHTSA ODI for this subsystem.
Specific mechanical, electrical, and driver-assist defect symptoms identified via deterministic narrative analysis
4 complaint narratives describe this symptom.
Representative defect filings submitted by owners to the NHTSA Office of Defects Investigation
"I, as well as other owners of 2017–2018 Toyota Highlanders and 2017–2018 Siennas are experiencing serious transmission issues—including high-pitched whining, erratic shifting, clunks, hesitation, and premature failure. My 2017 Toyota Sienna has the UA80 8-speed automatic transmission at issue and..."
"power sliding door (behind front passenger) does not fully engage arresting hook and tends to immediately return to open position and after hitting the button again starts welling. It started about eight months ago. Now it isn’t connected at all, I just open or close it and it slides but don’t try..."
"I have a 2017 Toyota Sienna XLE with about 120k miles on it. Out of nowhere the transmission was gear hunting and surging. It eventually became impossible to get it above 30 mph. It seemed like the transmission just went haywire. No lights on the dash let me know anything was wrong. Thankfully I..."
"While driving at speed, the vehicle suffered a sudden and complete loss of engine power and stalled in traffic. The vehicle was diagnosed by an independent mechanic who found a failed factory-installed Denso fuel pump module. This failure mirrors Toyota Safety Recall 20TA02 (NHTSA Campaign 20V012)..."
"We experienced a high whine for a couple of months. No codes were being read by any mechanics. Then the transmission started slipping between 2nd and 3rd gears, and then we couldn’t reverse. Now it’s not switching gears at all. There is a recall for our year and type of transmission, for this..."
Reported defect complaint volume across sibling model years (2015–2026)
| Model Year | NHTSA Complaints | Crash Reports | Safety Recalls | Detailed Report |
|---|---|---|---|---|
| 2015 Toyota Sienna | 230 | 17 | 6 | View 2015 Problems → |
| 2016 Toyota Sienna | 75 | 7 | 5 | View 2016 Problems → |
| 2017 Toyota Sienna Current Page | 152 | 13 | 10 | Current |
| 2018 Toyota Sienna | 69 | 5 | 7 | View 2018 Problems → |
| 2019 Toyota Sienna | 45 | 2 | 7 | View 2019 Problems → |
| 2020 Toyota Sienna | 37 | 0 | 2 | View 2020 Problems → |
| 2021 Toyota Sienna | 37 | 0 | 4 | View 2021 Problems → |
| 2022 Toyota Sienna | 15 | 1 | 4 | View 2022 Problems → |
| 2023 Toyota Sienna | 66 | 8 | 2 | View 2023 Problems → |
| 2024 Toyota Sienna | 65 | 5 | 3 | View 2024 Problems → |
| 2025 Toyota Sienna | 264 | 2 | 5 | View 2025 Problems → |
| 2026 Toyota Sienna | 0 | 0 | 0 | View 2026 Problems → |
Complete distribution of consumer defect reports across all 50 granular NHTSA system and subsystem classifications
| Vehicle Component / System | Total Complaints | Crash Reports | Fire Reports | Injury Entries | Fatality Entries |
|---|---|---|---|---|---|
| Powertrain NHTSA category: POWER TRAIN | 29 | 0 | 0 | 1 | 0 |
| Other / Uncategorized NHTSA category: UNKNOWN OR OTHER | 18 | 1 | 1 | 1 | 0 |
| Wheels & Hubs NHTSA category: WHEELS | 13 | 0 | 0 | 0 | 0 |
| Fuel & Propulsion System NHTSA category: FUEL/PROPULSION SYSTEM | 10 | 0 | 0 | 0 | 0 |
| Electrical System NHTSA category: ELECTRICAL SYSTEM | 6 | 0 | 0 | 0 | 0 |
| Engine NHTSA category: ENGINE | 6 | 0 | 0 | 0 | 0 |
| Service Brakes NHTSA category: SERVICE BRAKES | 6 | 2 | 0 | 0 | 0 |
| Structure & Body NHTSA category: STRUCTURE | 6 | 0 | 0 | 1 | 0 |
| EXTERIOR LIGHTING | 4 | 0 | 0 | 0 | 0 |
| Fuel System NHTSA category: FUEL SYSTEM, GASOLINE | 3 | 0 | 0 | 0 | 0 |
| Seat Belts NHTSA category: SEAT BELTS | 3 | 0 | 0 | 0 | 0 |
| Steering NHTSA category: STEERING | 3 | 1 | 0 | 2 | 0 |
| Visibility / Glass NHTSA category: VISIBILITY | 3 | 0 | 0 | 0 | 0 |
| Air Bags NHTSA category: AIR BAGS | 2 | 2 | 0 | 2 | 0 |
| POWER TRAIN,SERVICE BRAKES | 2 | 1 | 0 | 1 | 0 |
| STRUCTURE,LATCHES/LOCKS/LINKAGES | 2 | 0 | 0 | 1 | 0 |
| TIRES,WHEELS | 2 | 0 | 0 | 0 | 0 |
| Vehicle Speed Control NHTSA category: VEHICLE SPEED CONTROL | 2 | 0 | 0 | 0 | 0 |
| AIR BAGS,SEAT BELTS | 1 | 1 | 0 | 2 | 0 |
| AIR BAGS,VEHICLE SPEED CONTROL,SERVICE BRAKES | 1 | 1 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,AIR BAGS | 1 | 1 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,BACK OVER PREVENTION | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,ELECTRONIC STABILITY CONTROL (ESC),ENGINE | 1 | 0 | 1 | 0 | 0 |
| ELECTRICAL SYSTEM,ENGINE | 1 | 0 | 1 | 0 | 0 |
| ELECTRICAL SYSTEM,EXTERIOR LIGHTING | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,SERVICE BRAKES | 1 | 1 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,STRUCTURE | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,STRUCTURE,UNKNOWN OR OTHER | 1 | 1 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,UNKNOWN OR OTHER | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,UNKNOWN OR OTHER,ELECTRONIC STABILITY CONTROL (ESC) | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,VEHICLE SPEED CONTROL | 1 | 0 | 0 | 0 | 0 |
| ELECTRONIC STABILITY CONTROL (ESC),FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| ENGINE,FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,ELECTRICAL SYSTEM | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,ELECTRICAL SYSTEM,ENGINE | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,UNKNOWN OR OTHER | 1 | 0 | 0 | 0 | 0 |
| Seats & Restraints NHTSA category: SEATS | 1 | 0 | 0 | 0 | 0 |
| SEATS,UNKNOWN OR OTHER | 1 | 0 | 0 | 0 | 0 |
| STEERING,ELECTRICAL SYSTEM,ENGINE | 1 | 0 | 0 | 0 | 0 |
| STEERING,POWER TRAIN,VISIBILITY,VEHICLE SPEED CONTROL | 1 | 0 | 0 | 0 | 0 |
| STEERING,SERVICE BRAKES | 1 | 0 | 0 | 0 | 0 |
| STEERING,SUSPENSION,WHEELS | 1 | 0 | 0 | 0 | 0 |
| STRUCTURE,ENGINE | 1 | 0 | 1 | 0 | 0 |
| STRUCTURE,UNKNOWN OR OTHER | 1 | 0 | 0 | 0 | 0 |
| SUSPENSION,POWER TRAIN,ENGINE | 1 | 0 | 0 | 0 | 0 |
| UNKNOWN OR OTHER,ENGINE,FUEL/PROPULSION SYSTEM | 1 | 1 | 0 | 0 | 0 |
| VEHICLE SPEED CONTROL,ENGINE,FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| VISIBILITY,LATCHES/LOCKS/LINKAGES | 1 | 0 | 0 | 0 | 0 |
| VISIBILITY,STRUCTURE | 1 | 0 | 0 | 0 | 0 |
| Visibility & Wipers NHTSA category: VISIBILITY/WIPER | 1 | 0 | 0 | 0 | 0 |
Cross-reference safety recalls, crash test safety ratings, and EPA fuel economy for this model year
Key performance indicators, EPA fuel economy specs, powertrain variants, and summary ratings.
Official recall campaigns, safety defect descriptions, and manufacturer free remedy instructions.
NHTSA 5-Star NCAP crash test results, driver assistance systems, and rollover resistance ratings.
EPA fuel economy ratings, electric range, and annual energy cost benchmarks.
Direct, deterministic answers synthesized from verified United States government databases for the 2017 Toyota Sienna
In official NHTSA consumer records, the most frequently cited issue area for the 2017 Toyota Sienna is Powertrain & Transmission, appearing in 36 records (23.7% of submitted filings).
Secondary reported categories include Electrical System (20) and Fuel & Propulsion System (17).
AutoUtility does not issue subjective reliability scores or commercial ratings. In official United States government records, NHTSA tracks 152 consumer defect complaints and 10 safety recall campaigns for the 2017 Toyota Sienna.
Reviewing documented component complaint distributions, recall remedy notices, and active federal investigations provides an objective, evidence-based view of the vehicle's historical safety and defect record.
Among consumer complaint records on file with NHTSA for the 2017 Toyota Sienna, 13 filings cite a crash, 4 cite smoke or fire, and 9 report one or more injuries.
Incident entries represent consumer descriptions at the time of submission to federal authorities and do not establish mechanical causation or legal liability.
The complaint records on this page are retrieved directly from the NHTSA Office of Defects Investigation (ODI) public database under 49 CFR Part 576.
Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.