It is time to bring it in for repair.
Scion door lock issues.
All doors multiple doors fail to lock unlock.
For the fuse there is a door window fuse in the fuse box.
If you have multiple doors or all the doors failing to lock unlock you either have a simple blown fuse or a much larger wiring issue.
All doors multiple doors fail to lock unlock.
It is just a wear and tear item.
If you have multiple doors or all doors failing to lock unlock with the key fob and the interior door locks it is most likely a larger electrical issue.
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The door actuator going bad is a pretty common maintenance item with cars.
It is a simple swap to replace the fuse.