2009 Toyota SIENNA problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
207 owner complaints analyzed
10 distinct recall campaigns
84,425 mi median reported failure mileage
Scope: 2009 model year. Data snapshot: . 162 complaints include usable failure mileage.
Most common problems
Structure:Body is the most frequently named component, appearing in 62 of 207 complaints (30.0%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Steering behavior | 15 | 7.2% |
| Braking behavior | 13 | 6.3% |
| Transmission and shifting | 4 | 1.9% |
| Electrical and battery issues | 4 | 1.9% |
| Engine operation | 2 | 1.0% |
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 | 62 |
| Unknown Or Other | 37 |
| Electrical System | 27 |
| Structure:Body:Door | 15 |
| Air Bags | 14 |
| Vehicle Speed Control | 13 |
| Steering | 12 |
| Engine | 10 |
Structure:Body: 62; Unknown Or Other: 37; Electrical System: 27; Structure:Body:Door: 15; Air Bags: 14; Vehicle Speed Control: 13; Steering: 12; Engine: 10
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 18 |
| 25,000 to 49,999 | 26 |
| 50,000 to 74,999 | 22 |
| 75,000 to 99,999 | 37 |
| 100,000 to 149,999 | 46 |
| 150,000 and above | 13 |
Under 25,000: 18; 25,000 to 49,999: 26; 50,000 to 74,999: 22; 75,000 to 99,999: 37; 100,000 to 149,999: 46; 150,000 and above: 13
100,000 to 149,999 miles has the most reports with usable mileage (46). 45 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 |
|---|---|
| 2009 | 6 |
| 2010 | 13 |
| 2011 | 12 |
| 2012 | 11 |
| 2013 | 12 |
| 2014 | 20 |
| 2015 | 34 |
| 2016 | 34 |
| 2017 | 31 |
| 2018 | 16 |
| 2019 | 4 |
| 2020 | 6 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 2 |
| 2026 | 1 |
2009: 6; 2010: 13; 2011: 12; 2012: 11; 2013: 12; 2014: 20; 2015: 34; 2016: 34; 2017: 31; 2018: 16; 2019: 4; 2020: 6; 2021: 2; 2022: 3; 2023: 2; 2026: 1
Pattern summary
Structure:Body leads the component reports. Steering behavior appears in 15 complaint narratives. Braking behavior appears in 13 complaint narratives. Transmission and shifting appears in 4 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 10266633 · 2009-04-24 (April 24, 2009)
ON AN EARLY SATURDAY APRIL 18, 2009 TRIP TO THE AIRPORT THE CRUISE CONTROL STUCK WHILE ACCELERATING AND WOULD NOT DISENGAGE BY PRESSING THE BRAKE PEDAL OR BY PULLING THE CRUISE CONTROL LEVER (LOCATED ON THE STEERING COLUMN) TOWARDS THE DRIVER. I HAD JUST GONE THROUGH AN AUTOMATIC TOLLGATE IN THE FAR LEFT LANE AND BEGAN ACCELERATING (AND PROBABLY HIT THE 'RESUME' FEATURE OF THE CRUISE CONTROL LEVER) IN ORDER TO GET IMMEDIATELY OVER TO THE FAR RIGHT LANE TO EXIT. WITHIN SECONDS I WAS UP TO AN ADEQUATE SPEED AND TOUCHED THE BRAKE. THE CAR CONTI…
Owner-reported narrative. 5,600 miles reported. Look up ODI 10266633 at NHTSA ↗
Owner report 10274157 · 2009-06-17 (June 17, 2009)
ATTEMPTED TO ACCELERATE TO PASS A LARGE TRUCK AND VEHICLE STARTED ACCELERATING OUT OF CONTROL. TRIED TO BRAKE AND THAT DIDN'T WORK. APPLIED FOOT BRAKE AND THAT DIDN'T WORK. SPEED MAY HAVE INCREASED TO APPROX 70-80 MPH. SPEEDOMETER SHOW APPROX 45 MPH. UNABLE TO STEER VEHICLE. IT WAS AS IF THE MOTOR HAD STOPPED AND I HAD NO POWER STEERING. AFTER HITTING 2-3 VEHICLES AND THEN THE RIGHT LANE BRIDGE WALL THE FRONT TIRE AND STEERING ASSEMBLY BENT INWARD ND THAT CAUSED THE VAN TO STOP. THAT GOD THAT NOONE WAS INJURED BUT SOMETHING IS SERIOUSLY WRONG. …
Owner-reported narrative. 85,000 miles reported. Look up ODI 10274157 at NHTSA ↗
Owner report 10318075 · 2010-03-09 (March 9, 2010)
I WISH TO REPORT TWO SEPARATE GAS PEDAL INCIDENTS INVOLVING MY 2009 TOYOTA SIENNA XLE VAN THAT OCCURRED ON THE SAME DAY. ON THIS DAY, I MADE A TRIP FROM MY RESIDENCE TO A LOCAL GOLF COURSE AND ABOUT 3 HOURS LATER I RETURNED TO MY RESIDENCE. ON MY WAY TO THE GOLF COURSE, I WAS TRAVELING IN A HOUSING AREA AT ABOUT 20 MPH WHEN I TOOK MY FOOT OFF OF THE GAS PEDAL TO SLOW DOWN BUT THE CAR CONTINUED AT THE SAME OR SLIGHTLY FASTER SPEED OF ABOUT 25 MPH. THE CAR SHOULD HAVE EASILY SLOWED DOWN BECAUSE AT THIS TIME I WAS GOING UP A SLIGHT INCLINE IN …
Owner-reported narrative. 19,537 miles reported. Look up ODI 10318075 at NHTSA ↗
Owner report 10551923 · 2013-11-12 (November 12, 2013)
TL* THE CONTACT OWNS A 2009 TOYOTA SIENNA. THE CONTACT STATED THAT THE SLIDING DOORS ERRONEOUSLY OPENED WHILE DRIVING VARIOUS SPEEDS. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS FOUND THAT THE DOOR MECHANISM WAS RUSTED AND WAS CAUSING THE DOORS TO NOT SPRING BACK IN PLACE. THE VEHICLE WAS REPAIRED BUT THE FAILURE RECURRED. THE MANUFACTURER WAS CONTACTED ABOUT THE FAILURE. THE FAILURE MILEAGE WAS 49,463. UPDATED 12/24/13*LJ EACH TIME THE CONSUMER RETURNED TO THE DEALER, THEY CLAIMED THEY FIXED THE PROBLEM. HOWEVER, THE DOOR WOULD POP OPEN…
Owner-reported narrative. 49,463 miles reported. Look up ODI 10551923 at NHTSA ↗
Owner report 10777950 · 2015-09-27 (September 27, 2015)
WHILE DRIVING DOWN A VERY STEEP NARROW UNPAVED DRIVE THE ENGINE STOPPED. ALL LIGHTS ON THE DASH REMAINED ON BATTERY LIGHT WAS ON. STEERING WAS VERY DIFFICULT AND THE BREAKS WERE STIFF. WHEN I CAME TO A STOP I RESTARTED THE ENGINE.
Owner-reported narrative. 47,000 miles reported. Look up ODI 10777950 at NHTSA ↗
Owner report 10400950 · 2011-05-15 (May 15, 2011)
DURING ACTIVE DRIVING, THE VEHICLE STALLS AND THE POWER STEERING AND BRAKING COMPONENTS NO LONGER FUNCTION. ON ONE OCCASION, THIS WAS ON A RESIDENTIAL STREET AND THE SECOND ON A BUSIER STREET. THE SECOND OCCASION OCCURRED ON A HILL AND THE EMERGENCY BRAKE WAS NECESSARY TO STOP THE CAR. THE VEHICLE WAS BROUGHT TO BE SERVICED AND NO CAUSE FOR THE MALFUNCTION WAS IDENTIFIED. WE ARE NOW ASKED TO RESUME DRIVING OF THE CAR WITHOUT ANY REPAIR. *TR
Owner-reported narrative. 40,100 miles reported. Look up ODI 10400950 at NHTSA ↗
Owner report 10630845 · 2014-09-04 (September 4, 2014)
INTERMITTENT LOSS OF POWER STEERING WHILE DRIVING. THE PROBLEM WITH THIS 5 YEAR OLD VEHICLE WITH 75,000 MILES IS SIMILAR TO WHAT HAPPENED WITH OLDER MODEL YEAR SIENNAS: A POWER STEERING FLUID LEAK DEVELOPS THAT ULTIMATELY REQUIRES A COMPLETE REPLACEMENT OF THE POWER STEERING RACK. TOYOTA REFUSES TO PAY FOR REPAIR OR REPLACEMENT OF AN OBVIOUSLY DEFECTIVE DESIGN/PART. *TR
Owner-reported narrative. 75,347 miles reported. Look up ODI 10630845 at NHTSA ↗