I have a similar issue with my 2015 jetta tsi door locks but wanted to run this by you.
2013 passat lf door does not lock.
Power door locks do not function.
The fob does not lock the doors the master door switch does not lock the doors and in addition the trunk release does not operate.
If the actuators have any sort of internal or wiring issue it may cause them to rapidly lock and unlock unexpectedly or cause them to function intermittently.
Another symptom of a potential problem with the power door lock actuators are door locks that behave erratically.
About august 2014 mileage 78 000.
Door would be unlocked and door could be physically opened using the door handle and then car alarm would go off.
Purchased the car new and the issue started at around 42k miles.
About aug 2013 mileage 63 000.
If this happens the problem is with the remote.
This issue also indicates a bad lock actuator.
2013 vw passat auto lock function not working.
Average repair cost is 650 at 81 350 miles.
The door lock works in only one direction.
Power door locks behave erratically.
The 2013 volkswagen passat has 3 problems reported for door lock not working.
The battery is likely dead and needs to be replaced but the remote s may also need to be reprogrammed to work.
Driver s door stopped locking or unlocking at all with key fob.