I have had this problem with my iTSX. I discovered if I tried to load a tune immediately after car was running it failed. Pretty sure it had to do with the retained power feature. If retained power goes off in middle of tune load it craps out. Park car and let sit for a while with driver...
Dealer swirled the hell out of my car too. I picked it up the day after it came off the truck they must have washed it with a brush. I totally forget to tell them not to prep it. I had them buff it out but you can still see the spiderwebs. Need to have it professionally buffed one of these days...
There have been reports of the the 2013 harness plug being different than 2010-2012 plug ... are these truly plug and play or is there wire splicing involved?
At turkey shoots here if you bring your own gun you have to put it in the rack. ANY other person is allowed to grab any gun off the rack and use it for their shot. Usually they alternate between meat and money. $5 buy in for meat and $10 buy in for money. 10 people per round ... winner gets...
Probably be simpler to install a GT500 PCM tuned to run the GT engine. I had a GT500 cluster in both my 2006 and 2010 Mustang. The 2006 wasn't too bad .. just a non-moving needle. The 2010+ cluster consider lack of signal as an ERROR and light up the gauge RED when headlights are on ...
My November 2012 Build has the Spring .. I just checked. I have only tracked the car once and my Pedal stuck on the 3rd run ... :( Thanks for the write-up!