12V battery change reset?

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Old Jul 10, 2017 | 11:20 AM
  #1  
Vrrodri's Avatar
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Default 12V battery change reset?

Do I need to do anything when replacing the 12V battery other than swapping old with new and reconnecting battery terminals? No ECU relearn or anything?
 
Old Jul 10, 2017 | 03:25 PM
  #2  
S Keith's Avatar
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Posts: 5,219
From: Mesa, AZ
Default Re: 12V battery change reset?

disconnecting the 12V resets all computers.

I'm not sure if it's necessary, but some models require an idle re-learn procedure:

https://honda-tech.com/forums/honda-...learn-2962508/

It may not be required for the HCH.


I've never done it on any of my Hondas.
 
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