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New AGM battery: is a BCM reset necessary or just desirable
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Brian_DL13
 


Member Since: 25 Aug 2013
Location: Teesdale
Posts: 1418

United Kingdom 2014 Discovery 4 3.0 SDV6 HSE Auto Corris GreyDiscovery 4
New AGM battery: is a BCM reset necessary or just desirable

As the title - I have a 14MY Disco and the battery (AGM) is going to need replacing soon. I could do it myself but I don't have an IID tool so wouldn't be able to reset the BCM. Is that really necessary, or will it adjust itself anyway after a while ?

Also - I presume there aren't any gotchas like having to re-enter radio key codes ?
  
Post #188180120th Nov 2017 7:11 pm
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DSL
Keeper of the wheelie bin 


Member Since: 11 May 2006
Location: Off again! :-)
Posts: 72740

Ukraine 

ISTR I replaced mine but didn't reset the BCM for a good bit after, without any problems. Thumbs Up
   
Post #188180320th Nov 2017 7:21 pm
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Brian_DL13
 


Member Since: 25 Aug 2013
Location: Teesdale
Posts: 1418

United Kingdom 2014 Discovery 4 3.0 SDV6 HSE Auto Corris GreyDiscovery 4

Thanks DSL. Yours is a MY11 isn't it ? I wonder if my MY14 is any different ?
  
Post #188216321st Nov 2017 7:07 pm
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DSL
Keeper of the wheelie bin 


Member Since: 11 May 2006
Location: Off again! :-)
Posts: 72740

Ukraine 

No idea, not unless we swap. Whistle Whistle
   
Post #188216421st Nov 2017 7:08 pm
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OJ
 


Member Since: 01 Oct 2017
Location: Loch Leven
Posts: 725

Scotland 

DSL wrote:
ISTR I replaced mine but didn't reset the BCM for a good bit after, without any problems. Thumbs Up


Hi DSL (or anyone else) a question for you Bow down

Would you be likely to get a load of fault codes that need cleared if you disconnect the battery and replace it?
OJ.
  
Post #188216621st Nov 2017 7:10 pm
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