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This has been discussed. You need to get the dealer to upgrade your BMS software and specifically the CCU. If you have PIWIS, do a VAL and see what your CCU (Connect version number you have as in pic 1 - in my case you can see it's version 0412) then take the attached pdf to the dealer and if your version isn't 0420 have him upgrade to that. The issue is not the battery its crappy Porsche code.
12-27-2022, 05:23 PM
Bulletin 2229 Re. ConCon/BMS Battery Drain Issue
