wow that is a strange one. did you try the sync/aligment of the ews and dme to see if this issue goes away, I know is not ews and cas or it wouldn't crank, but align cas anyway just in case. I have done it with ista after replacing either module but never with the maxi-sys after an update, also try to code again the ews,dme,cas see what happens maybe something got corrupted. lets see what other members and support can add to this issue. I wouldn't think updating modules could cause this problem, I have done a few successfully though. we have a few members here that work on this vehicles way more than I do and have a lot more experience and can better help you figure it out. check back soon good luck.