2003 Driver Door Locks - Only key FOB works

[rmactahoe]

Howdy all,

Wife has a 2003 Tahoe and is now having an issue with the door lock control on the driver's side.

When using the door lock control on the driver side, it will not close or open any of the doors. She has to use the key FOB to open all the doors which it does correctly.

Any suggestions on how to fix?

Thanks.