Toyota Sienna owners have reported 1 problem related to speed sensor (under the vehicle speed control category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Toyota Sienna based on all problems reported for the Sienna.
The contact owns a 2004 Toyota Sienna. While driving with the cruise control engaged and the vehicle accelerated beyond the set speed. When the vehicle will decreased in speed the sensors detected another vehicle approaching. The contact switched lanes and the vehicle would start to accelerate up to 10 mph beyond the set speed. After the vehicle has passed the approaching vehicle, the vehicle will decrease back to the set speed. The contact has not contacted the manufacturer. The failure mileage was 25,000.
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