2015 Toyota SIENNA problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
230 owner complaints analyzed
6 distinct recall campaigns
30,000 mi median reported failure mileage
Scope: 2015 model year. Data snapshot: . 130 complaints include usable failure mileage.
Most common problems
Structure:Body is the most frequently named component, appearing in 52 of 230 complaints (22.6%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 30 | 13.0% |
| Steering behavior | 19 | 8.3% |
| Electrical and battery issues | 10 | 4.3% |
| Transmission and shifting | 9 | 3.9% |
| Fuel system concerns | 6 | 2.6% |
| Engine operation | 4 | 1.7% |
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 |
|---|---|
| Structure:Body | 52 |
| Unknown Or Other | 42 |
| Electrical System | 41 |
| Engine | 16 |
| Service Brakes | 16 |
| Wheels | 14 |
| Power Train | 12 |
| Steering | 11 |
Structure:Body: 52; Unknown Or Other: 42; Electrical System: 41; Engine: 16; Service Brakes: 16; Wheels: 14; Power Train: 12; Steering: 11
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 56 |
| 25,000 to 49,999 | 43 |
| 50,000 to 74,999 | 16 |
| 75,000 to 99,999 | 9 |
| 100,000 to 149,999 | 3 |
| 150,000 and above | 3 |
Under 25,000: 56; 25,000 to 49,999: 43; 50,000 to 74,999: 16; 75,000 to 99,999: 9; 100,000 to 149,999: 3; 150,000 and above: 3
Under 25,000 miles has the most reports with usable mileage (56). 100 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 |
|---|---|
| 2015 | 11 |
| 2016 | 19 |
| 2017 | 73 |
| 2018 | 29 |
| 2019 | 31 |
| 2020 | 13 |
| 2021 | 12 |
| 2022 | 3 |
| 2023 | 8 |
| 2024 | 7 |
| 2025 | 10 |
| 2026 | 14 |
2015: 11; 2016: 19; 2017: 73; 2018: 29; 2019: 31; 2020: 13; 2021: 12; 2022: 3; 2023: 8; 2024: 7; 2025: 10; 2026: 14
Pattern summary
Structure:Body leads the component reports. Braking behavior appears in 30 complaint narratives. Steering behavior appears in 19 complaint narratives. Electrical and battery issues appears in 10 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.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 10706552 · 2015-04-19 (April 19, 2015)
THERE ARE MULTIPLE ISSUES WITH THIS VEHICLE THAT CAUSE/HAVE CAUSED SAFETY CONCERNS. DURING NIGHT TIME DRIVING, THE ILLUMINATED CRUISE CONTROL STALK WILL BLINK ON AND OFF INTERMITTENTLY. THIS HAS CAUSED THE DRIVER TO ALMOST REAR-END MULTIPLE CARS AS THE FLICKERING LIGHT TAKES THE DRIVER'S EYES FROM THE ROAD. IT WAS FOUND THAT THERE IS AN INTERMITTENT HIGH RESISTANCE CONNECTION WITH UP TO A 9 VOLT DROP AT TIMES. DESPITE THE STEERING COLUMN BEING SWITCHED OUT AND THE PROBLEM BEING FIXED TEMPORARILY, THE PROBLEM RETURNS. THERE IS SOMETHING IN THIS …
Owner-reported narrative. 9,203 miles reported. Look up ODI 10706552 at NHTSA ↗
Owner report 10745363 · 2015-07-31 (July 31, 2015)
WHILE DRIVING ON THE NYS THRUWAY WITH THE CRUISE CONTROL ACTIVATED MY VAN CAME TO AN ABRUPT STOP ON THE THRUWAY. THERE WERE NO VEHICLES IN CLOSE PROXIMITY TO MY VAN THAT WOULD HAVE ACTIVATED THE RADAR CRUISE OR THE AUTONOMOUS EMERGENCY BRAKING SYSTEM. AFTER THE ABRUPT STOP ALL THE LIGHTS ON THE DASH WERE LIT UP IE: BRAKE, ABS, PCS, SLIP INDICATOR LIGHT, AND MASTER WARNING LIGHT. WHEN I REACHED MY DESTINATION I WAS UNABLE TO OPEN THE DOORS OF MY VEHICLE. SOMEONE TRIED TO OPEN THE DOORS FROM THE OUTSIDE OF THE VEHICLE AND THEY WERE UNABLE TO…
Owner-reported narrative. 1,800 miles reported. Look up ODI 10745363 at NHTSA ↗
Owner report 10760209 · 2015-08-30 (August 30, 2015)
NONSTOP FLICKERING OF CRUISE CONTROL ILLUMINATION AT NIGHT. FLICKERING IS INDEPENDENT OF SPEED, STEERING WHEEL POSITION. VERY DISTRACTING WHILE DRIVING. DEALER SAYS NO FIX AVAILABLE. TOYOTA CORP NOTIFIED - CASE OPENED.. NO FIX AVAILABLE. BUYER BEWARE.
Owner-reported narrative. 200 miles reported. Look up ODI 10760209 at NHTSA ↗
Owner report 10862153 · 2016-04-29 (April 29, 2016)
MY 11-YEAR OLD SON GOT OUT OF THE FRONT PASSENGER SIDE OF OUR STAITIONARY MINIVAN (IN PARK BUT RUNNING), FOR ME TO DROP HIM OFF FOR A CELLO LESSON. HE OPENED THE REAR PASSENGER SIDE SLIDING DOOR TO GET HIS CELLO OUT. IT WASNT OPENING EASILY, SO I ALMOST SIMULTANEOUSLY PUSHED THE BUTTON ABOVE ME ON THE CONSOLE. AT THAT POINT THE DOOR STARTED TO CLOSE ON HIM. IT DID NOT STOP CLOSING AND WAS PRESSING HIM INTO THE DOOR FRAME. I DIDN'T REALIZE WHAT WAS HAPPENING, AND HE WAS TOO SHOCKED TO SCREAM. HE WAS TRYING TO STOP IT FROM CLOSING ON HIM, BUT IT …
Owner-reported narrative. 1,300 miles reported. Look up ODI 10862153 at NHTSA ↗
Owner report 10898595 · 2016-08-25 (August 25, 2016)
TL* THE CONTACT OWNS A 2015 TOYOTA SIENNA. THE CONTACT STATED THAT THE VEHICLE WAS NOT DRIVING NORMALLY AND IT FELT AS IF THE TRANSMISSION WERE FAILING. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE TRANSMISSION FAILED DUE TO A MINOR CRASH IN WHICH THE CONTACT WAS INVOLVED. THE TRANSMISSION WOULD NEED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS INFORMED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 7,000. THE VIN WAS NOT AVAILABLE.
Owner-reported narrative. 7,000 miles reported. Look up ODI 10898595 at NHTSA ↗
Owner report 10946390 · 2017-01-19 (January 19, 2017)
TL* THE CONTACT OWNS A 2015 TOYOTA SIENNA. THE CONTACT STATED THAT THE MIDDLE ROW SEAT BEHIND THE DRIVER SIDE SHIFTED INADVERTENTLY. THE DEALER DIAGNOSED THAT THE SEATS NEEDED A BRACKET TO KEEP THEM FROM SHIFTING. THE VEHICLE WAS NOT REPAIRED AND THE MANUFACTURER WAS NOT NOTIFIED. THE FAILURE MILEAGE WAS 15,000.
Owner-reported narrative. 15,000 miles reported. Look up ODI 10946390 at NHTSA ↗
Owner report 11119526 · 2018-08-13 (August 13, 2018)
FUEL TANK ACCESS DOOR HINGE IS BROKEN. CAN'T FILL GAS TANK UP. IF FUEL DOOR IS REMOVED SLIDING DOOR WON'T OPEN. FUEL DOOR HINGE BROKE BECAUSE THE FUEL DOOR PIN HAS SO MUCH TENSION THAT IT BROKE THE HINGE. THIS CAUSED A SAFETY ISSUE BECAUSE THE DOOR CANNOT BE OPENED FROM THE INSIDE IF IT IS NOT CLOSED ALL THEY WAY OR PUSHED CLOSED ENOUGH FOR THE SENSOR TO ALLOW THE SLIDING DOOR TO OPEN. THIS EVENT WAS REPORTED PAST THE 36 MONTH WARRANTY, (AT 40 MONTHS, BUT LESS THAN THE MILEAGE WARRANTY), BUT HAD BEGUN BEFORE THE WARRANTY HAD ENDED. CURRENT O…
Owner-reported narrative. 55,600 miles reported. Look up ODI 11119526 at NHTSA ↗
Owner report 11207681 · 2019-05-15 (May 15, 2019)
IN JANUARY 2019, AT APPROXIMATELY 71,000 MILES, THE UPPER HINGE OF THE FUEL FILLER DOOR (THE DOOR COVERING THE GAS TANK ACCESS) FAILED. THIS APPEARS TO HAVE BEEN CAUSED BY PRESSURE EXERTED ON THE DOOR BY THE SAFETY SWITCH GOVERNING THE DRIVER SIDE SLIDING PASSENGER DOOR. APPARENTLY, THIS IS A WELL-DOCUMENTED ISSUE NOT JUST ON NHTSA (CASE ID# #11104672, 11025478), BUT ALSO WITH TOYOTA (TICKET # 1807172274), AND DOCUMENTED IN PUBLIC FORUMS SUCH AS HTTP://WWW.SIENNACHAT.COM/FORUM/67-PROBLEMS-MAINTENANCE-REPAIR-GEN-3/19274-FUEL-FILLER-DOOR-HINGE-BR…
Owner-reported narrative. 71,000 miles reported. Look up ODI 11207681 at NHTSA ↗
Owner report 10919045 · 2016-10-26 (October 26, 2016)
TL* THE CONTACT OWNS A 2015 TOYOTA SIENNA. WHILE DRIVING 55 MPH, THE VEHICLE STALLED WITHOUT WARNING. THE CONTACT SMELLED A BURNING ODOR FROM THE VEHICLE AND CALLED A TOW COMPANY TO TOW THE VEHICLE TO HIS RESIDENCE. THE VEHICLE WAS TOWED TO AN AUTHORIZED DEALER WHERE THE CONTACT WAS INFORMED THAT THE ENGINE HAD CAUGHT FIRE. THE ENGINE WAS NOT REPLACED; HOWEVER, REPAIRS WERE MADE TO THE FAULTY ENGINE. THE FAILURE MILEAGE WAS 12,000. THE VIN WAS NOT AVAILABLE.
Owner-reported narrative. 12,000 miles reported. Look up ODI 10919045 at NHTSA ↗
Owner report 11152668 · 2018-11-20 (November 20, 2018)
VAN WOULD REBOOT WHILE PARKED OR DRIVING. IT STARTED WITH DASHBOARD REBOOTING THEN I COULDN'T START THE VAN. THERE WAS A TIME AFTER DRIVING I PUT THE VAN IN PARK AND TURNED IT OFF BUT MY VAN WAS MOVING ON IT'S OWN. I ALWAYS CALL THE DEALERSHIP WHEN THE REBOOTING OCCURS. I WAS TOLD EITHER IT WAS A SOFTWARE ISSUE OR SINCE THE PROBLEM WENT AWAY, I SHOULD BE FINE. WELL RECENTLY WHEN MY VAN STALLED AND HAD TO BE TOWED TO THE DEALERSHIP. I WAS TOLD IT WAS A BATTERY ISSUE AND THE BATTERY WAS REPLACED. WHEN I PICKED UP MY VAN AND WENT HOME, NOTICED MY …
Owner-reported narrative. 33,400 miles reported. Look up ODI 11152668 at NHTSA ↗