Toyota Sienna owners have reported 727 electrical system related problems since 1996. Table 1 shows the 27 most common electrical system problems. The number one most common problem is related to the vehicle's electrical system (568 problems). The second most common problem is related to the vehicle's wiring (18 problems). For details of each of the problem category, use the links in the table.
Sluggish start when hot - fuel pump leak into engine when hot, causing starter issues, wears out starter, causes other stress on engine. Common issue in Toyota Siennas. [xxx] information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6) Read details...
Takata recall(?) my husband bought me a 2017 Toyota Sienna in February 2019, it was previously a rental. The van was immaculate and only had about 20,000 miles at time of purchase. On or about March 8, 2019 we were on our way to dinner at about 9 p. M. Read details...
2007 Toyota Sienna. Consumer writes in regards to vehicle dashboard and back door latch has become sticky/ melting. Read details...
Tl-the contact owns a 2010 Toyota Sienna. The contact stated that the air bags warning light was illuminated at start up and remained illuminated. The contact stated that the horn and air bag along with other functions on the steering wheel was inoperable the vehicle was not taken to be diagnosed. Read details...
The passenger side door (automatic) does not close. It will attempt to close itself but will stop just before closing. The door will pause for 1-2 seconds and then re-open and stay in the open position. Multiple attempts have the same effect. Disconnecting the battery does not resolve the problem. Read details...