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Old 24-02-2012, 15:56   #1
howy
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MG ZR 2006 Central Locking Module Problem

can anyone help please, i have an MGZR 2006, i have been told that the central locking module, has gone and i need a new one. The car locks off the fob, but does not open the doors. I can Open the drivers door only with the key, the boot will open with the fob. The passenger door is deadbolted, it will not open even from the inside. has anyone any ideas how to fix this problem thankyou
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Old 24-02-2012, 17:18   #2
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can anyone help please, i have an MGZR 2006, i have been told that the central locking module, has gone and i need a new one. The car locks off the fob, but does not open the doors. I can Open the drivers door only with the key, the boot will open with the fob. The passenger door is deadbolted, it will not open even from the inside. has anyone any ideas how to fix this problem thankyou
This sounds like a relay has failed in the BCU (coil has gone open circuit). easy to fix if you have a relay and are okay with a soldering iron and sucker.

The pektron unit is ~ 125 from pektron over the internet. This will need programming with the fobs but you will require the fob bar codes to do this.

Check with your local dealer.
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Old 24-02-2012, 19:13   #3
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Sounds like both the central locking relay and the deadlock relay have failed.

If you need replacement relays or need it repaired drop me a PM.
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Old 08-03-2013, 14:55   #4
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My friend bought a zr but it has a weird issue.

When the drivers door is open all the locks spazz. Constantly lockimg and unlocking.

Whwn its shut everything is fine again.

As a temporary solution I disconected the pin button which detects whether the door is open or closed.

This has stopped the locks spazzing but now when he unlocks the car with fob it locks almost immediately after.

Can still get in and use car.

Its a 53 plate with the round fob.

Also the intermitent wiper function doesn't work
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Old 08-03-2013, 16:23   #5
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A faulty drivers door lock is most likely the cause of the central locking problem and a relay in the SCU has failed which is the cause of the intermittent wiper problem.
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Old 08-03-2013, 17:51   #6
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A faulty drivers door lock is most likely the cause of the central locking problem and a relay in the SCU has failed which is the cause of the intermittent wiper problem.
Is their anyway to test the theory?.

Tried unplugging the drivers door lock and it made no difference
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Old 08-03-2013, 20:38   #7
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can anyone help please, i have an MGZR 2006, i have been told that the central locking module, has gone and i need a new one. The car locks off the fob, but does not open the doors. I can Open the drivers door only with the key, the boot will open with the fob. The passenger door is deadbolted, it will not open even from the inside. has anyone any ideas how to fix this problem thankyou
Hi i am a mg rover speclist what has gone wrong with your zr is the SCU ( security contol unit) has gone you will have to go to your nerest mgrover speclist to get the unit your will need to have two new plips programmed as wee and that will cost about 700
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Old 09-03-2013, 23:19   #8
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Did you take your car to mantles in biggleswade? I saw a red zr there with white wheels that had exactly the same problem
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Old 09-03-2013, 23:39   #9
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The drivers door latch contains two switches which tell the SCU if the door is opened or closed.

You can test the switch signals on a Black/Pink and Black/Orange wires at the lock wiring.

There is no need to go down the ridiculously expensive route of fitting a new SCU and new fobs.

Most SCU's can be repaired and even if the board is scrap (rare) the data from the original can be copied into a used board to create a clone.
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Old 09-03-2013, 23:41   #10
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i have central locking modules for sale

S
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Old 09-03-2013, 23:48   #11
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The drivers door latch contains two switches which tell the SCU if the door is opened or closed.

You can test the switch signals on a Black/Pink and Black/Orange wires at the lock wiring.

There is no need to go down the ridiculously expensive route of fitting a new SCU and new fobs.

Most SCU's can be repaired and even if the board is scrap (rare) the data from the original can be copied into a used board to create a clone.
The old owner unplugged the drivers door loom to stop the risk of being loked in if the door lock screws up.

It still did it.

The only thing that stops it doing it is removing the screw from the door pin as I believe this cuts the earth from the buttons circuit?

It leads me to think their is a issue with the earthing or maybe even tailgate wiring split and touching the chasis?.

I'll take a video next time my friend brings the car over

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i have central locking modules for sale

S
I should have spares in the shed if i can find them .

Thanks anyway
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Old 09-03-2013, 23:50   #12
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Their also seems to be an issue with the imobiliser.

Normally it should pick up the fob near the car when the ignition is on?.

This doesnt, often when the key is turned the car makes a sound. Then when the unlock button is pressed again it dissarms the imobilser.
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Old 09-03-2013, 23:54   #13
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i have central locking modules for sale

S
Let me know

S
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Old 10-03-2013, 01:02   #14
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Quote:
Originally Posted by xX_o2_Xx View Post
The only thing that stops it doing it is removing the screw from the door pin as I believe this cuts the earth from the buttons circuit?
The ground connection for the door latch is wired on the door loom into the main loom, there are no mechanical connections in the door to chassis.
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Old 10-03-2013, 06:19   #15
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The ground connection for the door latch is wired on the door loom into the main loom, there are no mechanical connections in the door to chassis.
Sorry. I mean the pin thing which is part of the chasis which detects when the door is open.

To me it seems the fault is revolving around that
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Old 10-03-2013, 06:23   #16
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Let me know

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Cheers will do
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