NHTSA owner reports · September 18, 2026 snapshot.
Electrical System complaints
20 reportsClear category filter25,000 miles · Mar 23, 2006
Electrical SystemEngine And Engine CoolingFuel System, Gasoline
2001 TOYOTA SIENNA LE, PURCHASED NEW, STARTED HAVING PROBLEMS. "CHECK ENGINE" LIGHT CAME ON WHEN VEHICLE HAD APPROXIMATELY 25,000 PLUS/MINUS MILES. UNDER WARRANTY, TOYOTA DEALERSHIP REPLACED THE OXYGEN SENSOR WITHOUT A CHARGE. HOWEVER, DURING THIS PROCESS, THE "BEEP" SIGNAL YOU HEAR WHEN LOCKING-UNLOCKING THE VEHICLE WITH REMOTE…
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2001 TOYOTA SIENNA LE, PURCHASED NEW, STARTED HAVING PROBLEMS. "CHECK ENGINE" LIGHT CAME ON WHEN VEHICLE HAD APPROXIMATELY 25,000 PLUS/MINUS MILES. UNDER WARRANTY, TOYOTA DEALERSHIP REPLACED THE OXYGEN SENSOR WITHOUT A CHARGE. HOWEVER, DURING THIS PROCESS, THE "BEEP" SIGNAL YOU HEAR WHEN LOCKING-UNLOCKING THE VEHICLE WITH REMOTE KEY WAS DISAPPEARED. THIS IS ALSO FIXED UNDER WARRANTY. THE "CHECK ENGINE" LIGHT CAME ON AGAIN WHEN THE VEHICLE HAD ABOUT 35,000 MILES. TOYOTA DEALERSHIP SAID IT IS DUE TO A DIRTY VACUUM HOSE, THEY CLEANED IT WITH A CHARGE LITTLE OVER $100.00. THE NEXT DAY THE "CHECK ENGINE" LIGHT CAME ON AGAIN, THIS TIME THE TOYOTA DEALERSHIP SAID THEY NEED TO REPLACE THE CHARCOAL CANISTER (PARTS FREE, BUT WE HAVE TO PAY LABOR--ABOUT $100.00). THIS THING CAUSES EXTREME MENTAL DISTRESS, TIME, MONEY, SECURITY ETC.*JB
NHTSA ODI #10153547
60,000 miles · Sep 6, 2005
Electrical SystemFuel System, Gasoline
DT: THE CONTACT OWNS A 2001 TOYOTA SIENNA. THE FUEL AIR SENSOR FAILED. ALSO, FUEL SENSOR FAILED IN CONTACT'S SON'S 2001 TOYOTA HIGHLANDER WHICH HAD THE SAME MILEAGE. CALLED TOYOTA, AND THEY SAID THERE WERE NO RECALLS . HAD BOTH PARTS REPLACED, $282.00 EACH. NOW THE IGNITION HAS FAILED. *AK *NM
NHTSA ODI #10132078
Mileage unknown · Jul 29, 2005
Electrical SystemEngine And Engine CoolingLatches/locks/linkages
WE OWN A 2001 TOYOTA SIENNA VAN, WE PURCHASED IT IN 2001 BUT IT WAS USED WITH 18,000 MILES ON IT. SINCE PURCHASING THE VEHICLE, SEVERAL THINGS HAVE GONE WRONG. #1- PASSENGER SIDE POWER WINDOW HAD A DEFECTIVE MOTOR AND WOULD NOT GO BACK UP. TOOK IT TO THE DEALER WHO SAID IT WAS NOT COVERED UNDER WARRANTY, SO WE HAD TO PAY OUT…
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WE OWN A 2001 TOYOTA SIENNA VAN, WE PURCHASED IT IN 2001 BUT IT WAS USED WITH 18,000 MILES ON IT. SINCE PURCHASING THE VEHICLE, SEVERAL THINGS HAVE GONE WRONG. #1- PASSENGER SIDE POWER WINDOW HAD A DEFECTIVE MOTOR AND WOULD NOT GO BACK UP. TOOK IT TO THE DEALER WHO SAID IT WAS NOT COVERED UNDER WARRANTY, SO WE HAD TO PAY OUT OF POCKET FOR THAT REPAIR. #2- DRIVER'S SIDE SLIDING DOOR WOULD NOT LATCH SHUT. THE BUTTON GOT STUCK FROM THE INSIDE WHICH PREVENTED THE DOOR FROM LATCHING SHUT. THIS HAD HAPPENED MANY TIMES BEFORE BUT WE WERE ABLE TO GET THE BUTTON POPPED OUT AND THE DOOR WOULD SHUT. BUT ON ONE OCCASION THE BUTTON POPPED OUT AND THE DOOR STILL WOULD NOT SHUT. WE HAD TO DRIVE HOME HOLDING THE DOOR SHUT THE ENTIRE WAY! OF COURSE, THIS IS A HUGE SAFETY ISSUE WITH OUR 2 YOUNG CHILDREN IN THE CAR. THE PROBLEM WAS FIXED AT THE DEALER (AGAIN NOT UNDER WARRANTY), BUT THE DOOR STILL CAN NOT BE OPENED FROM THE INSIDE, OR THE BUTTON GETS STUCK IN. #3- CHECK ENGINE LIGHT CAME ON AND A DIAGNOSTIC TEST REVEALED THE FOLLOWING PROBLEMS- IDLE AIR CONTROL, BANK 1 SENSOR (MOST LIKELY OXYGEN SENSOR), LEAKY CHARCOAL CANISTER. WE FIXED THE IDLE AIR CONTROL SINCE THAT WAS CAUSING THE VAN TO NOT START AND STALL. THIS REPAIR WAS ALMOST $700, AND NOT COVERED UNDER WARRANTY BECAUSE WE HAD GONE OVER 36,000 MILES. WE DID NOT FIX THE OTHER TWO PROBLEMS LAST MONTH DUE TO COST. THE VAN OVERHEATS AND CAN NOT BE DRIVEN. WE WROTE A LETTER TO TOYOTA AND TALKED TO THEM VIA PHONE. THEY TOLD US THERE IS NOTHING THEY CAN DO BECAUSE OUR VAN IS NOT A LEGAL US VAN- IT IS WAS BUILT IN CANADA. WE BOUGHT IT AT A TOYOTA DEALER IN ROCHESTER, NY AND WERE NEVER TOLD IT WAS CANADIAN. WE WERE ALSO TOLD THAT NO WARRANTY WOULD EVER BE COVERED IN THE US BECAUSE IT IS CANADIAN. CARFAX.COM SAYS IT WAS BUILT IN THE UNITED STATES HOWEVER. WE TRIED TO GO THE ROUTE OF THE LEMON LAW, BUT COULD NOT. *NM
NHTSA ODI #10130633
43,000 miles · Aug 27, 2004
Electrical SystemStructure
COMPLAINT REGARDING THE 2001 TOYOTA SIENNA DRIVER'S SIDE DOOR CONTINUOUSLY OPENS AND CLOSES.*MR THE ONLY WAY TO STOP THE DOOR WAS TO DISENGAGE THE POWER AND CLOSE IT MANUALLY. THE DEALER DETERMINED THAT THE MOTOR THAT OPERATES THE POWER DOOR AND THE ECU NEEDED TO BE REPLACED AT A COST OF $1939. THE MANUFACTURER HAS AGREED TO …
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COMPLAINT REGARDING THE 2001 TOYOTA SIENNA DRIVER'S SIDE DOOR CONTINUOUSLY OPENS AND CLOSES.*MR THE ONLY WAY TO STOP THE DOOR WAS TO DISENGAGE THE POWER AND CLOSE IT MANUALLY. THE DEALER DETERMINED THAT THE MOTOR THAT OPERATES THE POWER DOOR AND THE ECU NEEDED TO BE REPLACED AT A COST OF $1939. THE MANUFACTURER HAS AGREED TO ASSIST WITH THE COST OF THE REPAIR, HOWEVER THE CONSUMER'S PORTION IS STILL QUIT COSTLY. *NM
NHTSA ODI #10090262
56,000 miles · Jun 15, 2004
Electrical System
VSC AND ENGINE CHECK LIGHT CAME ON. WHEN I BROUGHT TO DEALER. THEY TOLD ME GAS CAP WAS NOT ON TIGHT. I THOUGHT THAT WAS AN INCORRECT DIAGNOSIS SINCE THE CAP WAS ON AND I HAD BEEN FILLING MY GAS FOR MORE THAN 3 YEARS. *AK THEY RESET THE VSC LIGHT AND GAVE ME CAR BACK AFTER CHARGING ME $98. LIGHT CAME BACK ON ONE WEEK LATER.
NHTSA ODI #10075432
150 miles · Jun 9, 2004
Electrical System
1. ELECTRIC SLIDING DOOR OPENS WHILE DRIVING. INTERIOR LIGHTS WON'T SHUT OFF WHILE DRIVING. CHECK ENGINE LIGHT STAYS ON. 2. DRIVER DISTRACTION. 3. TOYOTA "RESETS THE BRAIN" BUT IT IS JUST A MATTER OF TIME BEFORE IT FAILS AGAIN. *AK
NHTSA ODI #10075074
Mileage unknown · Dec 22, 2003
Electrical System
VEHICLE SKID CONTROL COMPUTER BROKE AND NEEDED TO BE REPLACED ($2000). *AK
NHTSA ODI #10050963
27,000 miles · Sep 29, 2003
Electrical System
OUR 2001 TOYOTA SIENNA HAS PROBLEM WITH THE ENTIRE ELECTRICAL SYSTEM. THE LIGHTS, INTERIOR AND EXTERIOR, AS WELL AS ALL ELECTRICAL OUTLETS PULSATE. THEY CONTINUOUSLY FLUXUATE FROM DIM TO BRIGHT. THERE ARE EVEN TIMES WHEN I HAVE IT ON CRUISE AND PRESS ON THE BRAKE THAT THE RADIO GOES OFF TEMPORARILY. TOYOTA HAS ATTEMPTED TO FIX I…
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OUR 2001 TOYOTA SIENNA HAS PROBLEM WITH THE ENTIRE ELECTRICAL SYSTEM. THE LIGHTS, INTERIOR AND EXTERIOR, AS WELL AS ALL ELECTRICAL OUTLETS PULSATE. THEY CONTINUOUSLY FLUXUATE FROM DIM TO BRIGHT. THERE ARE EVEN TIMES WHEN I HAVE IT ON CRUISE AND PRESS ON THE BRAKE THAT THE RADIO GOES OFF TEMPORARILY. TOYOTA HAS ATTEMPTED TO FIX IT BUT NOW THEY TELL US THAT THIS IS COMMON WITH THE SIENNAS AND AVOLANS THAT HAVE AUTOMATIC CLIMATE CONTROL. THEY TELL US THAT THIS IS NOT A SAFETY ISSUE THAT I JUST NEED TO DRIVE IT AS IS. WE CERTAINLY DISAGREE. SINCE THIS EFFECTS THE ENTIRE ELECTIRCAL SYSTEM, WE ARE CONCERNED THAT WE MAY HAVE A COMPLETE POWER FAILURE WHILE TRAVELING. WE ALSO, ARE CONCERNED SINCE THIS IS AN ELECTRICAL MALFUNCTION, WE DO NOT WANT TO EVER EXPERIENCE AN ELECTRICAL FIRE. FINALLY, WE ARE CONCERNED ABOUT DRIVING AT NIGHT WITH LIGHTS THAT RAPIDLY FLUXUATE BETWEEN DIM AND NORMAL. I POSTED THE DATE AS MAY BECAUSE THIS IS WHEN WE FIRST REALISTED THIS WAS HAPPENING. WE BOUGHT THE CAR IN MARCH.
NHTSA ODI #10040904
39,000 miles · Jul 10, 2003
Electrical SystemFuel System, Gasoline
ELECTRICAL SYSTEM CONTAINING FUEL INJECTOR RELAY FAILED. FUEL INJECTOR STOPPED WORKING AND CAR LOST POWER ON HIGHWAY. REPLACING RELAY AND FUSE BY DEALERSHIP DID NOT FIX PROBLEM, ENDED UP FAILING AGAIN AFTER BEING RETURNED FROM DEALERSHIP. *AK
NHTSA ODI #10025776
Mileage unknown · Dec 26, 2001
Electrical SystemStructureUnknown Or Other
VEHICLE SHUT OFF WITHOUT PRIOR WARNING. BATTERY/ ALARM SYSTEM/ KEY, AND STARTER WERE CHECKED. *AK
NHTSA ODI #8001092
Official recalls
2Apr 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.
Mar 5, 2001
VEHICLE DESCRIPTION: PASSENGER VEHICLES. THE FRONT SUB FRAME ASSEMBLY HAS NOT BEEN ADEQUATELY WELDED.
Consequence & remedy
Consequence: THIS CONDITION COULD CAUSE FAILURE OF THE ASSEMBLY FOLLOWING LONG-TERM USAGE, INCREASING THE RISK OF A CRASH.
Remedy: DEALERS WILL INSPECT AND REPLACE THE FRONT SUB FRAME, IF NECESSARY. OWNER NOTIFICATION BEGAN APRIL 9, 2001. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD 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 ↗