There are 3 stored owner reports matching the fuel system leading-label group for the 2012 Toyota Sienna in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 3 of 3 matching reports.
Open the full vehicle complaint log (all categories)THE TOP HINGE OF THE FUEL FILLER DOOR BROKE AT 82000 MILES. IT NOW DOES NOT ALLOW THE AUTOMATIC SLIDING DOOR ON THE DRIVERS SIDE TO OPEN BECAUSE OF THE SAFETY MECHANISM. THE HINGE BROKE WHEN I OPENED THE DOOR DURING REFUELING.
2012 TOYOTA SIENNA. CONSUMER WRITES IN REGARDS TO ACCELERATION PROBLEMS. *SMD THE CONSUMER STATED THE VEHICLE STARTED TO STALL. THE MORE SHE ATTEMPTED TO ACCELERATE, THE SPEEDOMETER CONTINUED TO DECREASE. SHE WAS ABLE TO PULL OFF TO THE SHOULDER. HER HUSBAND ATTEMPTED TO RE-START THE VEHICLE, BUT NOT HAPPENED. THE VEHICLE WAS TOWED TO THE DEALER. HOWEVER, A COMPUTER DIAGNOSTIC DID NOT REVEAL A PROBLEM. SEVERAL DAYS LATER, THE VEHICLE STALLED AGAIN. SHE MANAGED TO RE-START THE VEHICLE, AND DROVE IT TO THE DEALER. AFTER HAVING THE VEHICLE FOR SEVERAL DAYS, THE DEALER WAS STILL UNABLE TO FIND A PROBLEM. THE VEHICLE WAS RETURNED TO THE CONSUMER. HOWEVER, IT STALLED AGAIN, AND IT WOULDN'T RE-START. THE VEHICLE STALLED AGAIN, FOR THE 4TH TIME.*JB THE CONSUMER STATED THE TECHNICIANS QUICKLY FOUND THE PROBLEM, WHICH WAS A FAULTY WIRE LEADING TO THE FUEL PUMP. UPDATED 05/20/14
TL* THE CONTACT OWNS A 2012 TOYOTA SIENNA. THE CONTACT STATED THAT THERE WAS A KNOCKING AND SWOOSHING SOUND COMING FROM THE FUEL TANK. THE NOISE WOULD BECOME LOUDER WHEN THE CONTACT WAS DRIVING AT LOWER SPEEDS. THE VEHICLE WAS TAKEN TO THE DEALER ON SEVERAL OCCASIONS. THE DEALER REPLACED THE FUEL TANK BUT THE REPAIR DID NOT CORRECT THE PROBLEM. THE MANUFACTURER WAS NOTIFIED WHO STATED THAT THE NOISES WERE NORMAL AND OFFERED NO ASSISTANCE. THE FAILURE MILEAGE WAS 836 AND THE CURRENT MILEAGE WAS 5,384. UPDATED 2/12/13 *CN
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 29, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.