2012 Amerivan TOYOTA SIENNA problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
8 owner complaints analyzed
1 distinct recall campaigns
36,000 mi median reported failure mileage
Scope: 2012 model year. Data snapshot: . 8 complaints include usable failure mileage.
This selection has limited data. It remains available for lookup but is excluded from search indexing.
Most common problems
Service Brakes is the most frequently named component, appearing in 3 of 8 complaints (37.5%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 2 | 25.0% |
| Electrical and battery issues | 1 | 12.5% |
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 |
|---|---|
| Service Brakes | 3 |
| Power Train | 2 |
| Seat Belts | 1 |
| Structure:Body | 1 |
| Suspension | 1 |
| Unknown Or Other | 1 |
| Wheels | 1 |
Service Brakes: 3; Power Train: 2; Seat Belts: 1; Structure:Body: 1; Suspension: 1; Unknown Or Other: 1; Wheels: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 3 |
| 25,000 to 49,999 | 3 |
| 50,000 to 74,999 | 1 |
| 75,000 to 99,999 | 1 |
| 100,000 to 149,999 | 0 |
| 150,000 and above | 0 |
Under 25,000: 3; 25,000 to 49,999: 3; 50,000 to 74,999: 1; 75,000 to 99,999: 1; 100,000 to 149,999: 0; 150,000 and above: 0
Under 25,000 miles has the most reports with usable mileage (3). 0 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 |
|---|---|
| 2013 | 1 |
| 2014 | 2 |
| 2015 | 2 |
| 2016 | 3 |
2013: 1; 2014: 2; 2015: 2; 2016: 3
Pattern summary
Service Brakes leads the component reports. Braking behavior appears in 2 complaint narratives. Electrical and battery issues appears in 1 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 10724017 · 2015-06-08 (June 8, 2015)
MY TOYOYA SIENNA 2012 WOULD NOT GO INTO GEAR AFTER THE BRAKE ABS WARNING LIGHTS, VSC WARNING LIGHTS APPEARED. MY VEHICLE IS UNDER WARRANTY WITH FIDELITY INSURANCE THAT I PURCHASED FROM THE DEALERSHIP AND THEY WANT TO CHARGE A DIAGNOSIS FEE. THE SAD PART IS THE DEALERSHIP OR MECHANICS HAVE SEEN THIS BEFORE AND KNOW EXACTLY WHAT IT IS. I AM NO MECHANIC, BUT I AM EDUCATED ENOUGH TO KNOW IT ELECTRICAL FAILURE WITH THE ABS SYSTEM, BECAUSE MY BRAKES WERE INSPECTED AND PASSED.
Owner-reported narrative. 43,000 miles reported. Look up ODI 10724017 at NHTSA ↗
Owner report 10818305 · 2016-01-06 (January 6, 2016)
CAR ACCELERATION. THIS IS THE THIRD TIME THIS HAS HAPPEN TO ME IN THE CAR. ONCE ABOUT SIX MONTHS AFTER I PURCHASED THE CAR. AUGUST OF 2015 AND DECEMBER OF 2015. I AM AT A COMPLETE STOP, THE LAST TWO TIMES AT A CORNER WAITING TO MAKE A RIGHT HAND TURN. FOOT ON THE BRAKE AND THE CAR SUDDENLY ACCELERATES. MAKING A HORRIBLE REVVING NOISE. I AM PRESSING MY FOOT ALL THE WAY DOWN ON THE BRAKE AND IT'S STILL MOVING. THE CAR THEN IS HEADING INTO ONCOMING TRAFFIC, BUT THANK GOODNESS, NO ONE HAS BEEN HURT. IT THEN JERKS AND STOPS. FIRST TIME WAS…
Owner-reported narrative. 29,000 miles reported. Look up ODI 10818305 at NHTSA ↗