What SW/Mode/etc... what was the frequency number? When did/does it happen?so my car threw a CEL. took it to my friends shop, scanned it with the scan tool, got the code P0299; turbocharger is under boosting.
anyone had this code? should i be shopping for a new diverter valve?
Of course you do. Why wouldn't you? If you didn't that would mean that your stock programming would also be lost when the battery is disconnected. I doubt VW would design it that way.By the way if you have the apr tuning when you unhook your battery you still retain the tune.