Quote:
Originally Posted by cjshaw14
Had similar issue last year with no heat on 09 E70, replacing the valve did the trick, sorry that didn't work. But saw your ISTA comment with no comm to modules, ran in circles until I found what it was, be sure latency is set to 1. Open “Device Manager”, then USB Serial Port properties, go to “Port Settings” tab and click
“Advanced...”. Change latency timer to “1”
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@cjshaw14 - thanks! This worked, and now ISTA can talk to all of the modules. The only code sticking around is E723 in IHKA - No message - condensator sensor. I don't think this is my problem.