Before replacing your lock actuator for try this.
2003 jetta door lock problem.
If it turns out that the lock actuator may be the problem we suggest replacing it.
If it does fail i did replace mine so below is info on how to do it.
Locks work from the switch but not the remote.
The driver s door only locks and unlocks with the key in the lock.
Even better you can get one under warranty from us at a discount from 30 80.
Only the driver s side rear door responds to any lock action.
The door being the only door in the car with a faulty power lock system.
The battery is likely dead and needs to be replaced but the remote s may also need to be reprogrammed to work.
Door lock actuators are the motors that lock the doors to your vehicle upon the control of the door switch.
If this happens the problem is with the remote.
The door lock working in only one direction.
This top grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well balanced design and high level of craftsmanship.
Had the same problem on my 2003 jet however i opened the door worked the lock manually for a few minutes a couple of shots of wd40 down the button mechanism and a few shots down the latch worked the locks manually again for a few minutes and then with the drivers door switch and they all work well now except for the rear passenger door lock.
The 2003 volkswagen jetta has 1 problems reported for door locks stopped working.
This was not due to dead batteries in the remote control.
The electric door locks on my 2007 jetta failed to lock or unlock using the electric lock buttons in the doors or by using the remote.
This issue also indicates a bad lock actuator.
Volkswagen jetta 2003 door lock mechanism by bapmic.
Actuator replacement info https.
The door lock works in only one direction.
Average repair cost is 30 at 100 000 miles.