Everything been fine on the stalling. I know its done it once maybe twice in the last 1/12 years. But I had to turn the chip off a few months ago. Even in the off position the red light for the performance mode comes on. I have to recycle the ignition and usually it gets it right on the next cycle. And in the performance mode the green light always comes on. I messed w/ the connections but nothing. I do love the kill switch but am about ready to get the chip checked out if thats possible. But as far as throwing codes or stalling, nothing.