2001 Toyota Sienna Electrical System
Owner-reported problems and safety issues filed with NHTSA. Review common failures, severity levels, and complaint trends over time.
Complaint Timeline
Chronological view of owner reports
HORN WILL NOT WORK IN THE RAIN OR WHEN YOU DRIVE IN WATER. IT TAKES ABOUT A DAY FOR THE HORN TO DRY OUT FOR THE HORN TO WORK AT ALL. PEOPLE COULD GET KILLED WHEN THE HORN WILL NOT WORK IN THE RAIN OR WATER. TOYOTA NEEDS TO HAVE A RECALL NOW TO SAVE THE LIVES OF MILLIONS OF MEN, WOMEN AND CHILDREN IN THE USA.
TL* THE CONTACT OWNS A 2001 TOYOTA SIENNA. THE CONTACT STATED THAT THE PASSENGER'S SIDE SLIDING DOOR WARNING LAMP ILLUMINATED INDICATING THAT THE DOOR WAS AJAR. THE CONTACT MENTIONED THAT THE FAILURE DRAINED THE BATTERY. THE VEHICLE WAS TAKEN TO THE DEALER WHERE THE TECHNICIAN DIAGNOSED THAT THE SLIDING DOOR ELECTRONIC CONTROL UNIT NEEDED TO BE REPLACED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 32,231 AND THE CURRENT MILEAGE WAS 34,451.
INSTRUMENT AND VEHICLE LIGHTS BEGAN TO FLICKER. ELECTRIC DRIVERS SEAT WORKS RANDOMLY AND BACKGROUND LIGHT FOR RADIO HAS STOPPED WORKING AS WELL AS THE CRUISE LIGHT STOPPED WORKING ON THE INSTRUMENT DISPLAY. *TR
THE REAR AUTOMATIC SLIDING DOOR FAILS TO OPEN OR CLOSE. CAN NO LONGER BE OPENED MANUALLY FROM INSIDE OR OUTSIDE. SEEN REPORTS OF SAME OR SIMILAR ISSUES ON LINE. OTHER ELECTRICAL ISSUES HAVE APPEARED WITH THE VEHICLE AS WELL. *TR
TL*THE CONTACT OWNS A 2001 TOYOTA SIENNA. WHILE THE CONTACT WAS DRIVING APPROXIMATELY 40 MPH, THE HORN WAS ENGAGED AND FAILED TO FUNCTION. THE FAILURE OCCURRED FIFTEEN MINUTES AFTER THE VEHICLE WAS IN OPERATION. THE VEHICLE WAS INSPECTED BY TWO INDEPENDENT MECHANICS. THE CONTACT WAS INFORMED THAT THE ELECTRICAL COMPONENTS UNDER THE AIR BAG REQUIRED REPLACEMENT. THE FAILURE CONTINUED TO OCCUR. THE VEHICLE HAD NOT BEEN REPAIRED WHEN THE COMPLAINT WAS FILED. THE FAILURE MILEAGE WAS 87,000. THE CURRENT MILEAGE WAS 93,000.
2001 SIENNA BOUGHT NEW FROM DEALER. DRIVER SIDE PASSENGER POWER SLIDE DOOR HAD PROBLEMS WITH 'SWITCH' AND ECU 8/2002, 11/2003, 1/2004, 7/2004, 7/2006 4/2007. THOSE ARE JUST THE TIMES I BROUGHT IT IN. OTHER TIMES I JUST LET IT GO FOR A WHILE. TOYOTA FIXED PART UNTIL WARRANTY WAS UP. NOW THEY WANT ME TO PAY TO REPLACE THE PARTS -- PARTS THAT CONTINUE TO FAIL. SLIDING DOOR EITHER DOES NOT OPEN VIA POWER BUTTON, OR WILL NOT CLOSE ALL THE WAY. SAFETY ISSUE WHEN CAN NOT GET DOOR TO CLOSE ALL THE WAY. NOW THE OTHER POWER SLIDER DOOR IS ALSO NOT WORKING. I WROTE TO TOYOTA 5/2007, THEY NEVER EVEN ACKNOWLEDGED MY LETTER. *TR
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
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.
VEHICLE SKID CONTROL COMPUTER BROKE AND NEEDED TO BE REPLACED ($2000). *AK
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.
Trend Over Time
Complaints by year
Other Issues
Common problems reported
Quick Summary
The 2001 Toyota Sienna has 10 Electrical System complaints on file. Review the timeline above for detailed owner experiences.