2015 Toyota Sienna problems
What owners report to NHTSA, grouped by component, with the recalls that cover them.
NHTSA has 232 owner complaints on file for the 2015 Toyota Sienna, filed between 2015-04-19 and 2026-09-20. The most common problem areas are the structure (61, 26%), electrical system (44, 19%) and engine (16, 7%). Owners reported 17 crashes, 7 fires and 28 injuries in these complaints. NHTSA lists 6 recalls for this model year.
Last updated: · Source: NHTSA complaints and recalls databases
2015 Toyota Sienna complaints by component
| Component | Complaints | Share | Crashes | Fires | Injuries |
|---|---|---|---|---|---|
| Structure | 61 | 26% | 0 | 0 | 1 |
| Electrical system | 44 | 19% | 1 | 4 | 2 |
| Unknown or other | 43 | 19% | 2 | 0 | 1 |
| Engine | 16 | 7% | 0 | 4 | 2 |
| Service brakes | 16 | 7% | 1 | 0 | 2 |
| Wheels | 14 | 6% | 0 | 0 | 0 |
| Power train | 12 | 5% | 2 | 0 | 0 |
| Steering | 11 | 5% | 2 | 0 | 1 |
| Air bags | 9 | 4% | 6 | 0 | 8 |
| Seat belts | 8 | 3% | 0 | 0 | 0 |
| Suspension | 8 | 3% | 3 | 0 | 1 |
| Fuel/propulsion system | 7 | 3% | 0 | 0 | 0 |
| Exterior lighting | 6 | 3% | 1 | 0 | 0 |
| Electronic stability control (esc) | 5 | 2% | 0 | 0 | 0 |
| Latches/locks/linkages | 5 | 2% | 0 | 0 | 0 |
A complaint can name several components, so shares can add up to more than 100%. Crashes, fires and injuries are as reported by owners.
The top problem areas, in plain English
Each summary is built from the complaint counts and NHTSA recall notices, not from individual owner stories.
Structure: 61 complaints
- 61 complaints of 232 (26%) name the structure — the body and frame structure.
- 7 of them also name the electrical system; owners reported 1 injury in these complaints.
- 3 NHTSA recalls cover this system on the 2015 Toyota Sienna; the latest, campaign 16V858000, says: “If the power sliding door is unable to be opened when commanded, such as if the door is frozen shut, the door may subsequently open unexpectedly, possibly while the vehicle is moving.”
Electrical system: 44 complaints
- 44 complaints of 232 (19%) name the electrical system — wiring, battery and charging, fuses, control modules and in-car electronics.
- 7 of them also name the structure; owners reported 1 crash, 4 fires and 2 injuries in these complaints.
- No NHTSA recall for the 2015 Toyota Sienna covers this system.
Engine: 16 complaints
- 16 complaints of 232 (7%) name the engine.
- 4 of them also name the electrical system; owners reported 4 fires and 2 injuries in these complaints.
- No NHTSA recall for the 2015 Toyota Sienna covers this system.
Service brakes: 16 complaints
- 16 complaints of 232 (7%) name the service brakes — the foot-brake system: pads, rotors, calipers, lines and ABS.
- 4 of them also name the electrical system; owners reported 1 crash and 2 injuries in these complaints.
- 2 NHTSA recalls cover this system on the 2015 Toyota Sienna; the latest, campaign 19V553000, says: “The rubber brake hoses that attach to the rear wheel assembly may be too short, causing them to rub against the rear axle trailing arm.”
Wheels: 14 complaints
- 14 complaints of 232 (6%) name the wheels — the wheels, lug nuts and hubs.
- 2 of them also name the suspension; none of these complaints reports a crash, fire or injury.
- No NHTSA recall for the 2015 Toyota Sienna covers this system.
Power train: 12 complaints
- 12 complaints of 232 (5%) name the power train — the transmission, transfer case, driveshafts and axles.
- 2 of them also name the suspension; owners reported 2 crashes in these complaints.
- No NHTSA recall for the 2015 Toyota Sienna covers this system.
When the complaints were filed
| Year filed | Complaints |
|---|---|
| 2015 | 11 |
| 2016 | 19 |
| 2017 | 73 |
| 2018 | 29 |
| 2019 | 31 |
| 2020 | 13 |
| 2021 | 12 |
| 2022 | 3 |
| 2023 | 8 |
| 2024 | 7 |
| 2025 | 10 |
| 2026 | 16 |
What is counted
Owner complaints filed with NHTSA for the model names SIENNA, model year 2015. Complaints are unverified owner reports; a recall is NHTSA's confirmed safety defect. See the 2015 Toyota Sienna recalls.
Frequently asked questions
What are the most common problems with the 2015 Toyota Sienna?
By NHTSA owner complaints, the 2015 Toyota Sienna's most common problem areas are the structure (61 of 232 complaints), electrical system (44 of 232 complaints) and engine (16 of 232 complaints).
How many complaints does the 2015 Toyota Sienna have?
NHTSA has 232 owner complaints on file for the 2015 Toyota Sienna, including 17 reported crashes and 7 reported fires.
Is there a recall for the 2015 Toyota Sienna's problems?
NHTSA lists 6 recalls for the 2015 Toyota Sienna; 2 of the top 6 complaint areas have a matching recall. Recall repairs are free at a dealer; check your VIN for open recalls.