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Vw transporter central locking not working urgent help wanted

Posted By Midland autos Thursday, February 16, 2012 3:51:05 PM
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Midland autos
 Posted Thursday, February 16, 2012 3:51:05 PM
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Last Active: Wednesday, February 22, 2012 9:09:54 AM
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Help please I have a 2007 vw transporter in the workshop with no central locking working on fob or on interior switch. The previous looker erased any codes. He mentioned something about overheat protection??
There are no codes now at all and I'm stumped !!
Have checked fuses, door motors work fine. Have  other key fobs and neither works. All relays are good. Really am stuck and I don't want the customer to take it away tomorrow unfinished as I have spent all day on it.
Need some ideas please!
Thanks in advance
Damian
 Posted Thursday, February 16, 2012 4:08:19 PM
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Hi what have you scaned it with, can you get coms with all modules.

Can you see locks being activated in convience module.

Damian
Midland autos
 Posted Thursday, February 16, 2012 4:20:22 PM
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Hello have power probes door motors they are fine. Have comma with all modules that my launch picks up. Could a wire be broken in door gaiter?
Damian
 Posted Thursday, February 16, 2012 4:33:26 PM
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Posssible broken wires but you would need a global scan with VAS or VCDS

Damian
THG Vehicle Repairs LTD
 Posted Thursday, February 16, 2012 4:46:42 PM
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Hello midland.

Remove the drivers seat and check that the comfort control module is not wet as if anyone spills a drink on the seat it drips down in to the precariously position comfort control unit. If its dry and looks good then you will have to check for live to the unit.
If no live to unit look back down the main module live wire about six inches. Remove the insulation and you will see a live splice. This will probably be green where it has been laid in the damp and wet under the seat. 
Clean wire ends and solder. Seal with heat shrink so that damp can't return and all central locking functions should be restored.
If module is wet internally get a new one. 
Have done a few with this problem.

Good luck
marcr
 Posted Thursday, February 16, 2012 5:04:25 PM
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did one the other week which had a door fitted with incorrect door module fitted.as luck would have it repair was poor which steered me in the right direction.hth

Needs a scope!!!
Midland autos
 Posted Thursday, February 16, 2012 5:14:37 PM
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Thanks guys much appreciated! Will get in early Tomoz and check all
Midland autos
 Posted Friday, February 17, 2012 3:37:58 AM
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THG Vehicle Repairs LTD (2/16/2012)
Hello midland.

Remove the drivers seat and check that the comfort control module is not wet as if anyone spills a drink on the seat it drips down in to the precariously position comfort control unit. If its dry and looks good then you will have to check for live to the unit.
If no live to unit look back down the main module live wire about six inches. Remove the insulation and you will see a live splice. This will probably be green where it has been laid in the damp and wet under the seat. 
Clean wire ends and solder. Seal with heat shrink so that damp can't return and all central locking functions should be restored.
If module is wet internally get a new one. 
Have done a few with this problem.

Good luck
Problem solved!!!   Thanks thg you were bang on the money with this fault description, The wires were green and mouldy. Fixed up now and central locking working fine. Invoice is written and customer coming too collect van at 11 oclock.

Thanks again.

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