Were the repairs performed at the dealer ???? Dave
Then, please call the 1-800 # XXXXX the back of your manual and ask for technical repair help. They will open a case and have either have someone help them fix it or will send you to a dealer with a tech that can fix it. Believe it or not, the engineers really over-complicated this particular system. Very, Very difficult to fix without being there and performing many various tests. I'd be more than happy to send you the info, but I'd recommend doing the above and letting them take care of it. Not too bad, just goota get someone that can do it. Don't let the service advisor give you a lot of crap either. If he does, call and make an appointment with the Service Director for that dealer.
Good Luck. Please press ACCEPT. Also, If I have been helpful, please leave positive feedback. This is how we are judged. Thank You. Dave.