NHTSA owner reports · September 18, 2026 snapshot.
Power Train complaints
67 reportsClear category filter6,000 miles · Mar 8, 2005
Power Train
THE LATEST INCIDENT OCCURRED AT A STOP LIGHT, ON A 50 MPH ROAD, CAR TRANSMISSION SLIPPED TWICE, AND THEN WOULD NOT MOVE. THIS IS THE THIRD TRANSMISSION. I BOUGHT IT NEW FROM WALNUT CREEK TOYOTA, A 2000 SIENNA. *AK AT 6000 MILES, AT 70 MPH ON THE FREEWAY, THE TRANSMISSION GRABBED THE CAR THROWING THE FOUR OF US INTO ANOTHER LAN…
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THE LATEST INCIDENT OCCURRED AT A STOP LIGHT, ON A 50 MPH ROAD, CAR TRANSMISSION SLIPPED TWICE, AND THEN WOULD NOT MOVE. THIS IS THE THIRD TRANSMISSION. I BOUGHT IT NEW FROM WALNUT CREEK TOYOTA, A 2000 SIENNA. *AK AT 6000 MILES, AT 70 MPH ON THE FREEWAY, THE TRANSMISSION GRABBED THE CAR THROWING THE FOUR OF US INTO ANOTHER LANE.IT WAS REPLACED. AT 53,000 OR 47000 ON THE NEW TRANSMISSION IT BEGAN TO GRIND AND IT WAS AGAIN REPLACED. 12,000 LATER AT 65,000. THE LAST INCIDENT OCCURED. TOYOTA OF WALNUT CREEK HAS STATED THAT THEY WILL REPLACE THE TRANSMISSION AGAIN. MY CONCERN IS THAT THERE IS A DEFECT IN THE VEHICLE CAUSING IT TO SHREAD THE TRANSMISSIONS. I NO LONGER FEEL SAFE DRIVING THIS CAR BECAUSE THE NEW TRANSMISSION WILL FAIL AGAIN AND THIS TIME THERE MAY BE AN ACCIDENT. I FEEL THE CAR HAS LOST ALL ITS VALUE.
NHTSA ODI #10112754
47,942 miles · Nov 22, 2004
Power Train
WHILE SHIFTING GEARS THE GEAR SHIFTER BECAME LOOSE AND BROKE. THIS CAUSED THE VEHICLE TO STALL. THE VEHICLE WAS TOWED TO THE DEALER FOR INSPECTION, AND THE MECHANIC DETERMINED THAT THE GEAR SHIFTER NEEDED TO BE REPLACED. *AK THE GEAR SHIFTER BROKE WHEN PLACED IN PARK. *SC
NHTSA ODI #10076017
70,000 miles · Sep 14, 2004
Power TrainCrashInjury
I BACKED DOWN THE DRIVEWAY. THERE WAS A TRASH CAN IN THE WAY AT THE BOTTOM OF THE DRIVEWAY, SO I PUT THE CAR IN PARK AND HOPPED OUT TO MOVE THE CAN. I TURNED TO GET BACK IN THE CAR AND FOUND IT MOVING FORWARD UP THE DRIVEWAY. I CHASED THE CAR UP THE DRIVEWAY. IT RAN OVER A JOGGERBUGGY AND STRUCK A RETAINING WALL BEFORE I WAS…
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I BACKED DOWN THE DRIVEWAY. THERE WAS A TRASH CAN IN THE WAY AT THE BOTTOM OF THE DRIVEWAY, SO I PUT THE CAR IN PARK AND HOPPED OUT TO MOVE THE CAN. I TURNED TO GET BACK IN THE CAR AND FOUND IT MOVING FORWARD UP THE DRIVEWAY. I CHASED THE CAR UP THE DRIVEWAY. IT RAN OVER A JOGGERBUGGY AND STRUCK A RETAINING WALL BEFORE I WAS ABLE TO GET INTO IT AND STOP IT.
NHTSA ODI #10091017
63,374 miles · Sep 17, 2003
Power Train
TOYOTA 2000 SIENNA WITH 62,000 MILES WITH FAITHFUL SERVICE, AND JUST HAD OIL CHANGE ON 8/13/2003, EN ROUTE TO ATLANTA FROM MARYLAND. AT CHARLOTTE, NC A HIGH PITCHED WHINING SOUND WAS HEARD. BY THE TIME ARRIVED IN ATLANTA SOUND WAS PERSISTENT. TOOK CAR TO TOYOTA DEALERSHIP WHO IDENTIFIED THAT THE TRANSMISSION AS "DIGESTING ITSE…
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TOYOTA 2000 SIENNA WITH 62,000 MILES WITH FAITHFUL SERVICE, AND JUST HAD OIL CHANGE ON 8/13/2003, EN ROUTE TO ATLANTA FROM MARYLAND. AT CHARLOTTE, NC A HIGH PITCHED WHINING SOUND WAS HEARD. BY THE TIME ARRIVED IN ATLANTA SOUND WAS PERSISTENT. TOOK CAR TO TOYOTA DEALERSHIP WHO IDENTIFIED THAT THE TRANSMISSION AS "DIGESTING ITSELF". THIS SAME CAR HAD AN ENGINE SLUDGE AT 35K DESPITE OIL CHANGES. CAR OUT OF SERVICE WHILE AUTOMATIC TRANSMISSION HAD TO BE ENTIRELY REPLACED. *JB
NHTSA ODI #10039055
Mileage unknown · Aug 6, 2003
Engine And Engine CoolingPower TrainSteering
PROBLEMS WITH TIRE WEAR, TRANSMISSION AND POWER STEERING PUMP. THE VEHICLE IS ON IT'S FOURTH SET OF TIRES AT 45,000 MILES DUE TO TRACKING PROBLEM. THERE WAS A WHINE COMING FROM THE TORQUE CONVERTER PUMP. THE TRANSMISSION SHIFTED TO NEUTRAL ON THREE OCCASIONS. THE DEALER NEVER MENTIONED THERE WAS EARLY SLUDGE BUILDING UP IN THE …
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PROBLEMS WITH TIRE WEAR, TRANSMISSION AND POWER STEERING PUMP. THE VEHICLE IS ON IT'S FOURTH SET OF TIRES AT 45,000 MILES DUE TO TRACKING PROBLEM. THERE WAS A WHINE COMING FROM THE TORQUE CONVERTER PUMP. THE TRANSMISSION SHIFTED TO NEUTRAL ON THREE OCCASIONS. THE DEALER NEVER MENTIONED THERE WAS EARLY SLUDGE BUILDING UP IN THE OIL. THE ENGINE MADE NOISE AND VIBRATED. DEALER NOTIFIED. *MR *CB *JB
NHTSA ODI #10032229
Mileage unknown · Jun 18, 2003
Engine And Engine CoolingPower TrainTires
LTR FWD FM FHWA RE HIS DEFECTIVE 2000 TOYOTA SIENNA XLE THAT EMITS A LOUD BEARING WHINE, THE TRANSMISSION RANDOMLY SHIFTED INTO NEUTRAL. THE TIRES WERE REPLACED 3 TIMES DUE TO TRACKING & PULLING PROBLEMS. *MR THE CONSUMER WAS TOLD BY THE REP THAT 31K MILES ON A MICHELIN WAS ALL TO EXPECT ON THIS VEHICLE. THE VEHICLE WAS ON IT…
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LTR FWD FM FHWA RE HIS DEFECTIVE 2000 TOYOTA SIENNA XLE THAT EMITS A LOUD BEARING WHINE, THE TRANSMISSION RANDOMLY SHIFTED INTO NEUTRAL. THE TIRES WERE REPLACED 3 TIMES DUE TO TRACKING & PULLING PROBLEMS. *MR THE CONSUMER WAS TOLD BY THE REP THAT 31K MILES ON A MICHELIN WAS ALL TO EXPECT ON THIS VEHICLE. THE VEHICLE WAS ON IT'S FOURTH SET OF TIRES AT 55K MILES. THE TRACKING PROBLEMS WERE RESOLVED ON THE TWO SETS OF FOUR WITHIN THE FIRST 15K MILES. THE VEHICLE DOWNSHIFTED WHEN GOING BETWEEN THE SECOND AND THIRD GEARS. THERE WERE RESULTS FORM AN ENGINE OIL ANALYSIS THAT MAY INDICATE EARLY SLUDGE BUILD UP. *SCC *JB
NHTSA ODI #10024281
36,267 miles · Jun 9, 2003
Power Train
WHILE DRIVING ON I-95 AT 75-80 MPH, THE TRANSMISSION ALL OF THE SUDDEN STOPPED WORKING. THE ENGINE RACES WHEN GAS PEDAL DEPRESS AND NO TRANSMISSION ENGAGEMENT RIGHT IN THE MIDDLE OF THE HIGHWAY. LUCKILY, WAS ABLE TO WEAVE OUT OF HARMS WAY AND COAST TO AN EXIT AND ENOUGH SPEED TO STOP AT A GAS STATION. CALL FOR TOW TRUCK AND T…
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WHILE DRIVING ON I-95 AT 75-80 MPH, THE TRANSMISSION ALL OF THE SUDDEN STOPPED WORKING. THE ENGINE RACES WHEN GAS PEDAL DEPRESS AND NO TRANSMISSION ENGAGEMENT RIGHT IN THE MIDDLE OF THE HIGHWAY. LUCKILY, WAS ABLE TO WEAVE OUT OF HARMS WAY AND COAST TO AN EXIT AND ENOUGH SPEED TO STOP AT A GAS STATION. CALL FOR TOW TRUCK AND TOWED INTO O'STEEN TOYOTA @ BRUNSWICK. LONG WEEKEND PREVENTING ANY CAR RENTAL (ALL CLOSED) AND ENDED UP TAKING A TAXI (58 MILES AWAY) ALL THE WAY TO JACKSONVILLE AIRPORT FOR A CAR RENTAL TO GO BACK TO MELBOURNE, FL. TO TAKE ON VACATION THE NEXT DAY. CAR LEFT AT O'STEEN AND WAS TOLD A RE-MANUFACTURED TRANSMISSION IS REPLACED AND POSSIBLE THOUGHT OF PINION GEAR FAILURE. SINCE THEY CANNOT OPEN UP THE TRANSMISSION FOR ANY DETAIL LOOK AT FAILURE. SERIOUS ACCIDENT CAN OCCUR IN THIS KIND OF FAILURE. LOOKS LIKE A WHOLE LOT OF SAME PROBLEMS SINCE 2000, WHY IS THERE NO EQUIPMENT RECALLS IS BEYOND ME. *JB
NHTSA ODI #10021310
19,400 miles · Apr 23, 2003
EquipmentPower TrainStructure
FLUID LEAK AROUND THE TRANSMISSION PAN GASKET. REPAIRED 3 TIMES BY 2 DIFFERENT TOYOTA DEALERS. EASY JOB BUT MAYBE IT IS A DEEPER PROBLEM? TRANSMISSION DID NOT SHIFT WHEN COLD FOR ABOUT 2 MILES AFTER THE FIRST AND SECOND TIME IT WAS "FIXED." AFTER THE THIRD TIME TRYING TO STOP THE OIL LEAK, THEY ADJUSTED THE THROTTLE CABLE AND N…
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FLUID LEAK AROUND THE TRANSMISSION PAN GASKET. REPAIRED 3 TIMES BY 2 DIFFERENT TOYOTA DEALERS. EASY JOB BUT MAYBE IT IS A DEEPER PROBLEM? TRANSMISSION DID NOT SHIFT WHEN COLD FOR ABOUT 2 MILES AFTER THE FIRST AND SECOND TIME IT WAS "FIXED." AFTER THE THIRD TIME TRYING TO STOP THE OIL LEAK, THEY ADJUSTED THE THROTTLE CABLE AND NOW IT SEEMS TO SHIFT MORE NORMALLY IN COLD MORNINGS. SINCE NEW, THE LEFT SLIDING MANUAL DOOR WAS HARD TO OPEN FROM THE INSIDE. AFTER 2 TRIPS FOR "ADJUSTMENTS" THE DOOR IS OPENING CORRECTLY. *JB
NHTSA ODI #10016386
Mileage unknown · Mar 27, 2003
Engine And Engine CoolingPower TrainTires
THERE WERE PROBLEMS WITH TRANSMISSION AND TIRE EQUIPMENT. MR THE VEHICLE WAS ON IT'S FOURTH SET OF TIRES DUE TO A TRACKING PROBLEM. THERE WAS A WHINE COMING FROM THE TORQUE CONVERTER PUMP. THE TRANSMISSION SHIFTED TO NEUTRAL ON THREE OCCASIONS. DEALER SAW INDICATIONS OF EARLY SLUDGE BUILD UP IN THE OIL. THE ENGINE MADE NOI…
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THERE WERE PROBLEMS WITH TRANSMISSION AND TIRE EQUIPMENT. MR THE VEHICLE WAS ON IT'S FOURTH SET OF TIRES DUE TO A TRACKING PROBLEM. THERE WAS A WHINE COMING FROM THE TORQUE CONVERTER PUMP. THE TRANSMISSION SHIFTED TO NEUTRAL ON THREE OCCASIONS. DEALER SAW INDICATIONS OF EARLY SLUDGE BUILD UP IN THE OIL. THE ENGINE MADE NOISES AND VIBRATED. (DAYTON/GOODYEAR) *SCC *NLM *CB *JB
NHTSA ODI #10014842
Mileage unknown · Feb 15, 2003
Power TrainCrashInjury
VEHICLE, WITH NO ONE IT IT BUT RUNNING, SHIFTED OUT OF PARK AND INTO REVERSE (AFTER STANDING STILL FOR AT LEAST A FULL MINUTE OR TWO). VEHICLE BACKED DOWN DRIVEWAY CAUSING DAMAGE TO VEHICLE AND HOUSE. I'M NOT A CARELESS PERSON, SO I CHECKED YOUR DATABASE AND SEE THIS HAS HAPPENED TO OTHERS.
NHTSA ODI #10005870
Official recalls
1Apr 20, 2010
TOYOTA IS RECALLING CERTAIN MODEL YEAR 1998 THROUGH 2010 SIENNA PASSENGER VEHICLES MANUFACTURED BETWEEN AUGUST 7, 1997 AND JANUARY 4, 2010, CURRENTLY REGISTERED IN OR ORIGINALLY SOLD IN CONNECTICUT, DELAWARE, ILLINOIS, INDIANA, KENTUCKY, MAINE, MARYLAND, MASSACHUSETTS, MICHIGAN, MINNESOTA, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, VERMONT, WASHINGTON DISTRICT OF COLUMBIA, VIRGINIA, WEST VIRGINIA, AND WISCONSIN. THE SUBJECT VEHICLES ARE EQUIPPED WITH THE SPARE TIRE STOWED UNDER THE VEHICLE. IF THE VEHICLE IS OPERATED IN THE COLD CLIMATE REGIONS OF THE UNITED STATES WHERE ROAD SALT IS FREQUENTLY USED, WATER SPLASHED BACKWARDS WITH HIGH CONCENTRATIONS OF ROAD SALT CAN REACH THE SPARE TIRE CARRIER AND CORRODE THE SPARE TIRE CARRIER ASSEMBLY CABLE.
Consequence & remedy
Consequence: THE CABLE MAY BREAK DUE TO EXCESSIVE CORROSION AND THE SPARE TIRE MAY SEPARATE FROM THE VEHICLE, POSSIBLY RESULTING IN A VEHICLE CRASH.
Remedy: TOYOTA WILL NOTIFY OWNERS WITH AN INTERIM LETTER INITIALLY INSTRUCTING THEM TO BRING THEIR VEHICLE TO AUTHORIZED DEALERS TO INSPECT FOR CORROSION. A SECOND NOTICE WILL BE SENT WHEN THE PERMANENT REMEDY IS AVAILABLE. FOR MORE INFORMATION, PLEASE SEE TOYOTA'S AMENDED RECALL REPORT OF JULY 19, 2010. THE SAFETY RECALL IS EXPECTED TO BEGIN ON OCTOBER 12, 2010. OWNERS MAY CONTACT TOYOTA AT 1-800-331-4331.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗