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My liftgate started acting up. It will open and close automatically, if I manually unlock it first. It will not unlock on it's on with remote, door, or hatch button. The motor works, I hear it working, but doesn't open.

If I manually unlock it from the inside and then hit the remote it will open. Hit the remote again, it will close and lock, but not pull tight, so the dash indicates it still open, interior lights, license plate lights, and third brake light remain on constantly.

I replaced the lock actuator with a new one today, same problem exists.

After it closes and locks, I hear a whirring sound, followed by a sctrachy sound, that doesn't sound right and it never pulls in completely. What could be the issue? Thanks!
 
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