No. 3 transmitter id code cannot be reprogrammed
Location indexMazda 6 Service Manual: Power Window Lock Switch
This feature prevents all power windows from operating, except the driver's power
window. Keep this switch in the locked position while children are in the vehicle.
Locked position (button depressed):
Only the driver's power window can be operated.
Unlocked position (button not depressed):
All ...
Mazda 6 Service Manual: Dtc c1095, c1096
Caution
When attaching the tester lead to the ABS (ABS/TCS) HU/CM harnesses
connector the SST (49 G066 001) must be used. (See ABS (ABS/TCS) HU/CM
INSPECTION.)
Diagnostic procedure
...