We can think of a few common reasons.
Toyota sienna sliding door button not working.
Turns out a very small piece broke off that was prev.
Step 2 raise the hood of the van and disconnect the negative battery cable with a wrench.
The sliding door latch is not working see the picture of the latch unit.
This tutorial and my how to replace power sliding door cables on 2004 2010 toyota sienna article should show you almost everything you need to do.
Most common problem is the motor of the latch fails.
The door is supposed to unlatch first before it triggers the motor to pull it open.
Close the sliding doors.
Try this find the latch on the door stick your finger in the hole lift up and pull the door handle at the same time the inside latch mechanism should go up then try the door again.
2016 sienna power sliding doors will not open or close using inside buttons or key fob.
Passenger door ended u not opening from the inside and outside so i decided to figure out what happened.
Latch motor failure sometimes the side door will struggle to open when you press the button to automatically open it.
Frayed cable the cable in the side door is prone to fraying and then breaking.
The sliding door on my 2004 toyota sienna won t close.
The fact that only the outside handle does not work makes it pretty certain that something is going on with the cable that connects the door handle to the latching hub.
You may need to remove the window to get to the bolts that attach the door handle to the door.