HCH II-Specific Discussions Model Years 2006-2011

How to bypass HCH-II high voltage battery

Old 09-27-2012, 12:16 PM
dev is offline
Thread Starter
Join Date: Sep 2012
Posts: 1
Default How to bypass HCH-II high voltage battery

Hi All,

I'm looking for a way to bypass the high voltage battery on my 2006 Honda Civic Hybrid. It seems that simply flipping the switch on the hybrid battery pack located in the backseat is not enough to bypass the hybrid battery and still be able to drive the car. I have reviewed the links that showed the procedure for bypassing the high voltage battery pack on 2003-2005 Honda Civic Hybrid, but the connector on the BCM (battery control module) is different for 2006 and up!

Any suggestions on how to bypass the high voltage battery while keeping the DC-DC converter charging the 12v battery?

Old 10-06-2012, 03:40 PM
Pretty Darn Active Enthusiast
Join Date: Feb 2006
Posts: 335
Default Re: How to bypass HCH-II high voltage battery

Sorry, I don't know how. But I'm interested in why you want to do it. The car would be horribly underpowered without the battery pack.
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