Just today my drivers door wouldn’t open with key fob but opening with the key manually , the red light stays on .

All other doors locking and unlocking , might take a look at the wiring does anyone have any ideas.

Wiring going through the rubber grommet from car body into the door - Multiplug corrosion. 

Or microswitch in the lock mechanism is banjoed.

When you use the fob, can you hear the lock getting power, or is it just silence?