AUDI A4 B6 CENTRAL LOCKING ISSUE

[shash_128]

When I unlock the car with the key fog the car immediately locks. Any one know why? How can I solve this problem?
I looked at the electrical plug of the drivers door wiring loom and it had a pin broken and had corrosion on the pins. I cut off the plug and soldered the wires together, but this never fixed the problem.

below is video I made of the problem:



I haven't checked the convenience unit under the passenger carpet yet.

 

[shash_128]

Anyone? Please help
when theres no power to the drivers door all the other doors unlock and lock normally when using the key fog. Could it be a stiff drivers door lock? or the actuator?

 

[Mike B]

Have you tried checking the loom to the door for a broken wire.If the other doors are normal the system is fine

 

[shash_128]

Hi thanks for the reply. The driver's door wiring loom did have a severed wire which I soldered back together. The other wires don't look great. Been looking on ebay for one but can't find one with the exact part number (8E1 971 029B)

Where else can I get them from?

 

[Mike B]

Scrapper?Or you could just try repairing all of them.Should be fine if you put some support round them.Did it fix the lock?

 

[shash_128]

I think its only the driver's door loom that has a problem. The rest of the doors lock/unlock just fine when the driver's door ain't connected.

I repaired the driver's door loom which fixed all the electrics and locks all doors, but I've still got this unlocking problem.

 

[Mike B]

If that's the only thing left then its the lock itself and you may need a new one.Cleaning it with some electrical spray might help but the micro switch may be bust