if the little red light is not blinking (@ inst cluster) when it stalls it is not the key or remote starter!
To be honest I don't care anymore and it wasn't that...
They had the chance to make it right and decided to loose me as a customer
Believe me I wanted to keep the JKUR but they are CLUELESS about Customer Service... They didn't touched the Jeep in 8 days...
I know this thread is 3 month old but I just joined WF and looked this subject up.
I too just bought a new jeep; 8 days ago. Yesterday, later in the afternoon, I couldn't start the car. It started for about .5 sec. and then shut off. I found this thread in a google search and was able to realize at least that I could start with the remote. Same issues: including both keys failed to start. Went out next morning(this morning) and both keys now work. I checked wiring as good as 'I' can and no apparent problems. I find it hard to believe that your dealer found rat chews. It sounds more like an intermittent short in wiring or chips.
It was port rats that chewed some cables.
If you ask me now is the best thing that happened to me because I got a MW3 with all the trimming for just $1k more than what I paid for the Rubicon with everything as well.
Did you try a new battery in your key? Might account for the sporadic nature of your problem.
I can confirm that if you try to start the car w/o the right key, it will start, then die after a few seconds. I had a key cut to open/close the glove compartment/center console while I was driving and tested it out one day.