C30 1.6d R Design Central Locking and Alarm

Tommythenodd · Dec 25th, 2019, 15:35

Ladies and Gentlemen,

First Post, the central locking in my C30 is not working, when locking the car with the blade, the alarm does not trigger the indicators and the Led on the dash does not work.

I have set the key in the ignition to on and disconnected the negative, leaving for hours, checked the fuses and the bonnet micro switch with no joy.

My theory is this, the alarm module battery backup is dead.

In terms of fault finding, I am considering, changing the alarm module, followed by the remote keyless receiver,

Has anybody any experience with this and advice on my theory? Or should I just go to Volvo?

Dman9320 · Jan 2nd, 2020, 09:00

The exact same thing happened to me, but all I did was disconnect and clean the CEM under the glove box to try and clear a limp mode warning. This did work but after I’d plugged it all back in, my central locking stopped working and I also have an SRS airbag warning light now too! Mot in a week, joy!

Having it plugged in tomor, too see if I can clear the error codes. Will post on here if I manage to find a solution!

Tommythenodd · Jan 10th, 2020, 23:08

Dman, thanks for the reply, any further news?

Alker · Jan 15th, 2020, 22:09

Did you get a solution to this ?

Tommythenodd · Feb 3rd, 2020, 09:57

No I was hoping Dman might come back, have you the same problem?

Dman9320 · Feb 25th, 2020, 08:47

Hello!

Sorry I’ve not checked this forum in a while, my apologies! It’s turned out to be a loose connection into the CEM box apparently! I felt quite silly when they told me! Basically where it sits under the glove box a cable had come loose at the other end rather than Into the box itself. Quite awkward to reach but central locking and air bags returned straight the way! Hopefully your issue is similar and nothing too serious! Sorry I can’t give much more info!

Alker · Feb 29th, 2020, 17:11

Ok , were onto something here.. so there was a loose connection , but not into the cem .. tell me more , tell me more .. ( before I get a key uneccesarily replaced).
Photos / descriptions very very welcomed.. 😉🤤

Tommythenodd · May 3rd, 2020, 22:31

Alker, did you work it out? I'd live to hear how you got on? Thanks

Dec 25th, 2019, 15:35	#1
Tommythenodd New Member Last Online: Mar 18th, 2021 14:32 Join Date: Dec 2019 Location: LONDON	C30 1.6d R Design Central Locking and Alarm Ladies and Gentlemen, First Post, the central locking in my C30 is not working, when locking the car with the blade, the alarm does not trigger the indicators and the Led on the dash does not work. I have set the key in the ignition to on and disconnected the negative, leaving for hours, checked the fuses and the bonnet micro switch with no joy. My theory is this, the alarm module battery backup is dead. In terms of fault finding, I am considering, changing the alarm module, followed by the remote keyless receiver, Has anybody any experience with this and advice on my theory? Or should I just go to Volvo?

Jan 2nd, 2020, 09:00	#2
Dman9320 New Member Last Online: Dec 14th, 2020 20:49 Join Date: Dec 2019 Location: Leicester	The exact same thing happened to me, but all I did was disconnect and clean the CEM under the glove box to try and clear a limp mode warning. This did work but after I’d plugged it all back in, my central locking stopped working and I also have an SRS airbag warning light now too! Mot in a week, joy! Having it plugged in tomor, too see if I can clear the error codes. Will post on here if I manage to find a solution!

Jan 10th, 2020, 23:08	#3
Tommythenodd New Member Last Online: Mar 18th, 2021 14:32 Join Date: Dec 2019 Location: LONDON	Dman, thanks for the reply, any further news?

Jan 15th, 2020, 22:09	#4
Alker New Member Last Online: May 6th, 2020 10:25 Join Date: Nov 2019 Location: NOTTINGHAM	Did you get a solution to this ?

Feb 3rd, 2020, 09:57	#5
Tommythenodd New Member Last Online: Mar 18th, 2021 14:32 Join Date: Dec 2019 Location: LONDON	No I was hoping Dman might come back, have you the same problem?

Feb 25th, 2020, 08:47	#6
Dman9320 New Member Last Online: Dec 14th, 2020 20:49 Join Date: Dec 2019 Location: Leicester	Hello! Sorry I’ve not checked this forum in a while, my apologies! It’s turned out to be a loose connection into the CEM box apparently! I felt quite silly when they told me! Basically where it sits under the glove box a cable had come loose at the other end rather than Into the box itself. Quite awkward to reach but central locking and air bags returned straight the way! Hopefully your issue is similar and nothing too serious! Sorry I can’t give much more info!

Feb 29th, 2020, 17:11	#7
Alker New Member Last Online: May 6th, 2020 10:25 Join Date: Nov 2019 Location: NOTTINGHAM	Ok , were onto something here.. so there was a loose connection , but not into the cem .. tell me more , tell me more .. ( before I get a key uneccesarily replaced). Photos / descriptions very very welcomed.. 😉🤤

May 3rd, 2020, 22:31	#8
Tommythenodd New Member Last Online: Mar 18th, 2021 14:32 Join Date: Dec 2019 Location: LONDON	Alker, did you work it out? I'd live to hear how you got on? Thanks

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