I have Acura TL 3.2 1999. All 3 doors can lock and unlock from remote and from inside but not front passenger door. This front passenger door, however, can lock and unlock manually with key. I also noticed that when I lock my car I don't see flashing light indicating it's acknowledging but lights come on when unlock. What is wrong with this door and indication lights and how can I fix it?
Lock and unlock front passenger door problem on 1999 Acura TL
It sounds like your drivers door actuator is possibly defective. Here is some info on how to remove ans replace it:
how to change key lock on door 2000 acura tl
I've got the same problem with my 99 TL. Did you ever figure this one out, or find a solution?