well that explains it.. facepalm

2013 chrysler 300 srt8 6.4L


So I just purchased this intune from a friend of mine that wrecked his car. Unmarried. Went to install the basic tune and said "failed to read PCM origianl backup, error Code = 0xFFFFFFFF" decided to go ahead and try just updating the tuner and it now says cannot update ...