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Battery charge now Braking system faulty

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pod1944   
Tue Dec 05 2023, 11:15am
Member No: #61451
Joined: Dec 05 2023
Location: kent
Hi All

2009 Grand picasso
The battery went flat over the weekend to put it on charge and when i re assembled fuse box and battery case the car would not even turn over, I got Faulty Braking system fault as well as lot of bleeping.
Battery is good only a couple of years old and I tested it and its got 13 volts.

Any help appreciated
Thanks Paul
Ap0qalypto   
Tue Dec 05 2023, 01:48pm
Member No: #52161
Joined: Sep 21 2018
Location: Republic of Serbia
Testing battery voltage is one thing, testing under load is another. Lack of proper voltage can trigger different errors.
1 User said Thank You to Ap0qalypto for this Post :
 pod1944 (05 Dec 2023 : 14:17)
vexorg   
Wed Dec 06 2023, 03:04am
Member No: #48843
Joined: Jul 06 2017
Location: Scotland
Citroen seem to be quite bad for random faults on a low battery, especially when starting.
2 User said Thank You to vexorg for this Post :
 pod1944 (10 Dec 2023 : 03:32) , BigJohnD (11 Dec 2023 : 06:37)
pod1944   
Sun Dec 10 2023, 03:33am
Member No: #61451
Joined: Dec 05 2023
Location: kent
I have tried disconnecting battery but still getting faults braking system hand brake. car beeps alot but wont tyurn over.
windows wont work.
must be some computer fault?
BigJohnD   
Mon Dec 11 2023, 06:39am

Member No: #82
Joined: Jan 22 2007
Location: Hoylake
Once a battery goes seriously flat, it's unlikely to fully recover.

I suggest a a professional battery tesy at ATS or similar. Not Halfords.
 

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