Can someone please advise to my post?

I'm having this same problem? Should I update and try again first or should I just call in? Number to call?

Thanks
Lucas

Well I must have jinxed it, after I wrote the previous message my next drive resulted in getting the P0601 code repeatedly while on the stock program. So the truck is in this AM getting a new PCM installed.

My best guess is that it would work for a period of time after reflashing a tune (either ...

mikel wrote:has the code come back with the stock tune at any point?

As stated in my description, I had no problem with the stock tune in the middle of having issues with the code. Since having issues again on July 9th I have left the stock tune on and have not had any issues.

Regards
Lucas

Vehicle:
2011 Silverado

Background:
I bought my Intune in about 2013 with around 50k on the truck loaded on the each of the three tunes and pretty much settled on the 87 Octane tune changing only once about a year ago to the Diablo Tune for about 2 months. At about 128k the truck was sitting ...