What's wrong with my 2002 Ford Mustang lock/unlock switch?

When the car is on or off I can't lock or unlock using the switch on either door. The only way I can lock/unlock is by using the key fob or by manually using the key. Do I need to replace something? How is the car locking when I use the key fob but not when I press the buttons inside the car?

The MOST LIKELY issues are inside the door.
The actual switches could be bad.
The actuators may have failed.
The fuse for the power locks may have failed.
It is also possible the physical connection between the power lock actuators has become detached from the actual lock mechanism.

The fuse is the only thing you can check without opening the door panel.

The MOST LIKELY issues are inside the door.
The actual switches could be bad.
The actuators may have failed.
The fuse for the power locks may have failed.
It is also possible the physical connection between the power lock actuators has become detached from the actual lock mechanism.

The fuse is the only thing you can check without opening the door panel.

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