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Alarm sounds after battery change Grand Picasso 2015
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Author Post
Brihey8   
Wed May 06 2020, 01:01pm
Member No: #54953
Joined: Nov 04 2019
Location: Chorley
 Alarm sounds when locking Citroen 2015 Grand Picasso after battery change. Seen some info but no definitive fix. Tried the one bonnet and drivers window, wait 3 min, disconnect battery for 15 sec, reconnect, wait 10 sec, turn lights on through window, ignition on and press lock key for 10 sec, open/close door, try central locking, then start engine but not worked. Thanks for any info.
Brihey8   
Fri May 22 2020, 01:27pm
Member No: #54953
Joined: Nov 04 2019
Location: Chorley
 Seem to have fixed this by trial and error.


1 Lock car with key fob - alarm sounds
2 Open door with key - alarm still sounds
3 Put key in ignition and switch on ignition - alarm stops
4 Remove key and lock car with key fob

Please reply to post if this works for anybody else
MartinP150   
Sun Feb 06 2022, 10:29am
Member No: #59397
Joined: Feb 03 2022
Location: London
 Unfortunately I have the same problem as you but your solution did not work. I probably did not wait for the BSI system to sleep before disconnecting the battery and now the alarm sounds as soon as I lock the car. I did get excited when I saw your post as thought that might solved the problem but no. Anyone else have any ideas?
Pearl   
Thu Mar 03 2022, 10:31am
Member No: #59496
Joined: Mar 03 2022
Location: Uk
 After changing the battery on my car, I had the issue of the alarm sounding on locking with the key fob. After numerous bsi resets and searching the internet for the answer, I finally succumbed and booked it in with Citroen next week. But I suddenly had a thought this morning and decided to try it, and now my car is back locking as normal.
Don’t know if it was just luck or I’ve finally sorted it but all I did was put a cable tie round the bonnet switch so it was in a closed position before I did the bsi reset and low and behold when the procedure had finished everything worked. Hope this helps someone and now I’ll cancel my Citroen diagnostics for£86.
Brihey8   
Tue Jun 13 2023, 11:41am
Member No: #54953
Joined: Nov 04 2019
Location: Chorley
 Back on here with the same problem. Car been in for service and they must have disconnected the battery.Tried my previous posts and the one pearl has put on to no avail.
This is the way I fixed it this week:-
Open drivers window and bonnet and make sure sidelight switch is off and not on auto.
Wait 3mins after screens go blank.
Disconnect battery for 15sec.
Reconnect battery and wait 10sec.
Switch sidelight on through open window.
Press ignition switch without putting fob in Key not detected comes on.
Press lock on fob.
Car locks without alarm but bonnet is still open.
Tried opening and closing drivers door and locking and alarm didn't sound.
Locked car and then put bonnet down but alarm sounded.
Unlocked with fob.
Locked with fob and alarm did not sound.
Don't know why this worked it is a real hit and miss operation.
Hope this helps someone.
 

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