V50 Electrics : - central locking & alarm

Alker · Dec 1st, 2019, 22:21

Ive recently acquired this v50 2008. and am working throiugh some electrical gremlins,. apart from the srs airbag internal fault , ( which im makign inroads int sorting ) , i have two keys which start the car , but have no communications atall with the vehicle . no open , close , see me home lights , nothing .. the central locking works inside the car on a doorswitch, but no transmit atall.. also seems the alarm doesnt work either. Ive had my cem checked , apparaently no issue . ive aquired vida , and akm getting my head round diagnostics .. so started looking for likely codes etc .. Was expectting to see the RRX module , is his correct ? , also note this is normally linked to the SCM moddule .. but cant see them on vida..
Am i barking up the wrong tree ?,, The hunt is on to solve this... any pointers appreciated .. Alker

SimonP2 · Dec 1st, 2019, 23:24

I'm in the same position and would also like to know. I have searched far and wide but haven't found a solution except for an expensive trip to the dealer for a new key.
I have tried:
The method of disconnecting the battery which I can't remember but it can be found on the internet - didn't work for me.
Sending the key off to get it repaired - didn't work

Alker · Dec 2nd, 2019, 09:45

Hi simon , Do neither of your keys work ?

Weetabixv50 · Jan 6th, 2020, 11:45

I collected an 05 v50 2.0d yesterday and I'm having the same problem, both remotes start the car but neither lock it etc, also the transport/factory mode is on, how do I deactivate this as it maybe the issue.

AndrasL · Jan 6th, 2020, 13:00

Silly question, but you did make sure that the remote battery is good, right?

Weetabixv50 · Jan 6th, 2020, 15:01

Yes, changed both batteries.

Alker · Jan 12th, 2020, 08:07

Weetabix , any joy with your problem ? I did some more diagnostic s yesterday and whipped out the siren control module to check the batteries inside. They were flat, but not corroded etc. And it seems to be taking a charge and treading over 7.2v .. which leads me to conclude that it may not be getting a charge.. will check fuse and earth today from f56 at cem, and wiring etc... Hoping I'm homing in on the fault... You had any joy ?

Alker · Jan 12th, 2020, 08:09

Quote:

Originally Posted by Weetabixv50

I collected an 05 v50 2.0d yesterday and I'm having the same problem, both remotes start the car but neither lock it etc, also the transport/factory mode is on, how do I deactivate this as it maybe the issue.

From research, This would prevent this issue, did you manage to turn off how do you know it's on ?

Weetabixv50 · Jan 13th, 2020, 16:32

Not yet, I've tried disconnecting the battery neg only and pis only and completely, also reconnect with key in position 1 and 2 and no key, all theories failed to reset transport/factory mode.
I now have it booked into a garage to sort on Wednesday.
I'll let you know the result.

Alker · Jan 15th, 2020, 20:38

Weetabix .. any joy today.?

Dec 1st, 2019, 22:21	#1
Alker New Member Last Online: May 6th, 2020 10:25 Join Date: Nov 2019 Location: NOTTINGHAM	central locking & alarm Ive recently acquired this v50 2008. and am working throiugh some electrical gremlins,. apart from the srs airbag internal fault , ( which im makign inroads int sorting ) , i have two keys which start the car , but have no communications atall with the vehicle . no open , close , see me home lights , nothing .. the central locking works inside the car on a doorswitch, but no transmit atall.. also seems the alarm doesnt work either. Ive had my cem checked , apparaently no issue . ive aquired vida , and akm getting my head round diagnostics .. so started looking for likely codes etc .. Was expectting to see the RRX module , is his correct ? , also note this is normally linked to the SCM moddule .. but cant see them on vida.. Am i barking up the wrong tree ?,, The hunt is on to solve this... any pointers appreciated .. Alker

Dec 1st, 2019, 23:24	#2
SimonP2 New Member Last Online: Mar 25th, 2024 19:06 Join Date: Sep 2019 Location: Kent	I'm in the same position and would also like to know. I have searched far and wide but haven't found a solution except for an expensive trip to the dealer for a new key. I have tried: The method of disconnecting the battery which I can't remember but it can be found on the internet - didn't work for me. Sending the key off to get it repaired - didn't work

Dec 2nd, 2019, 09:45	#3
Alker New Member Last Online: May 6th, 2020 10:25 Join Date: Nov 2019 Location: NOTTINGHAM	Hi simon , Do neither of your keys work ?

Jan 6th, 2020, 11:45	#4
Weetabixv50 New Member Last Online: Feb 22nd, 2020 22:47 Join Date: Jan 2020 Location: Spalding	I collected an 05 v50 2.0d yesterday and I'm having the same problem, both remotes start the car but neither lock it etc, also the transport/factory mode is on, how do I deactivate this as it maybe the issue.

Jan 6th, 2020, 13:00	#5
AndrasL Member Last Online: Feb 14th, 2024 10:19 Join Date: Nov 2018 Location: Budapest	Silly question, but you did make sure that the remote battery is good, right?

Jan 6th, 2020, 15:01	#6
Weetabixv50 New Member Last Online: Feb 22nd, 2020 22:47 Join Date: Jan 2020 Location: Spalding	Yes, changed both batteries.

Jan 12th, 2020, 08:07	#7
Alker New Member Last Online: May 6th, 2020 10:25 Join Date: Nov 2019 Location: NOTTINGHAM	Weetabix , any joy with your problem ? I did some more diagnostic s yesterday and whipped out the siren control module to check the batteries inside. They were flat, but not corroded etc. And it seems to be taking a charge and treading over 7.2v .. which leads me to conclude that it may not be getting a charge.. will check fuse and earth today from f56 at cem, and wiring etc... Hoping I'm homing in on the fault... You had any joy ?

Jan 13th, 2020, 16:32	#9
Weetabixv50 New Member Last Online: Feb 22nd, 2020 22:47 Join Date: Jan 2020 Location: Spalding	Not yet, I've tried disconnecting the battery neg only and pis only and completely, also reconnect with key in position 1 and 2 and no key, all theories failed to reset transport/factory mode. I now have it booked into a garage to sort on Wednesday. I'll let you know the result.

Jan 15th, 2020, 20:38	#10
Alker New Member Last Online: May 6th, 2020 10:25 Join Date: Nov 2019 Location: NOTTINGHAM	Weetabix .. any joy today.?

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