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  4. Why is my decript button inactive for cas4
Willisodhiambo
2019-08-12T17:01:02Z
I have read cas4 eeprom, i go to edit, try decript with key and also dme isn but decrypt button stays inactive. Any ideas why?
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Willisodhiambo
2019-08-13T03:14:35Z
I think it is because ews5 is inactive? Meaning isn is not encrypted? I compred cas isn and dme isn, exactly the same. So it means sk in this case is just a useless field?
Autohex_II_BMW
2019-08-17T08:03:39Z
Originally Posted by: Willisodhiambo 

I have read cas4 eeprom, i go to edit, try decript with key and also dme isn but decrypt button stays inactive. Any ideas why?



cas4+ we cannot get ISN,only supported CAS4(EWS5 NOT ACTIVE) for ISN.
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    1. Microtronik Autohex II and Hexprog forum
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    4. Why is my decript button inactive for cas4