2006 Toyota Sienna Electronic Stability Control Esc Service Brakes Problems
3 owner-reported electronic stability control esc service brakes complaints from NHTSA data
Data sourced from NHTSA public database. For informational purposes only. Always consult a qualified mechanic.
Owner Complaints (3)
THE TCS IS MALFUNCTIONING, CAUSING THE BRAKES TO LOCK UP. I.E.-GOING 35MPH, IN A WIDE CURVE, THE STEERING "JERKED" SIDE TO SIDE AS THE VAN LOST TRACTION AND THEN CAME TO A FULL STOP AS THE BRAKES KICKED IN. THE TRACTION CONTROL ALARM AND DASH LIGHT CAME ON DURING THE EVENT, BUT THEN WENT OFF AS SOON AS THE BRAKES RELEASED. THIS HAS BEEN ON-GOING FOR 3 WEEKS, BUT THE MOST RECENT WAS TODAY.
THE VAN HAS SEVERAL TIMES, WITHOUT WARNING, APPLIED THE BRAKES WHILE A LIGHT COMES ON THE DASHBOARD AND A BEEPING SOUND IS HEARD. THE LAST TIME IT HAPPENED MY WIFE WAS MERGING INTO TRAFFIC AND IT CAUSED A DANGEROUS SITUATION. I HAVE RESEARCHED AND FOUND THIS TO BE SOME SORT OF TRACTION CONTROL SYSTEM MALFUNCTIONING. IT SEEMS TO HAVE HAPPENED TO MANY PEOPLE, AND MANY PEOPLE COMPLAIN IT CAN POTENTIALLY CAUSE A LIFE THREATENING SITUATION. THIS PROBLEM HAS CAME ON WHILE NORMAL DRIVING OR IN MY WIFE'S CASE WHILE ACCELERATING TO MERGE INTO TRAFFIC.
THE CAR'S VEHICLE STABILITY CONTROL (VSC) WILL ACTIVATE UNEXPECTEDLY, BRAKING HARD AND CAUSING TEMPORARY LOSS OF CONTROL. THERE IS ALSO AN AUDIBLE ALARM AND THE VSC LIGHT TURNS ON. OCCURS INTERMITTENTLY WHEN DRIVING BETWEEN 30-50 MPH, TYPICALLY ON A GENTLE CURVE LIKE A FREEWAY INTERCHANGE. HAS OCCURRED AS MANY AS 9 TIMES ON A SINGLE DRIVE, AND HAS CAUSED A COUPLE NEAR ACCIDENTS. AN INTERNET SEARCH OF ONLINE FORUMS SHOWS THAT THIS ISSUE IS COMMON IN SIENNAS AFTER 100,000 MILES. THUS FAR MY TOYOTA DEALER HAS CLAIMED THEY ARE UNABLE TO REPRODUCE THE PROBLEM.