Big problem here...

2005 LLY, manual trans.

I just flashed a customers truck with a DSP5 tune and now I have a dead pedal, the engine just idles. I have seen this several random times before on my own truck, but on my truck I just re-reflashed it a couple times and the problem went away.

Ive tried reflashing this truck here several times between the stock OS and the DSP5 OS and every time I full-flash to the DSP5 OS it, I get a dead pedal.

The wild card is that its a ZF6 truck. Is there something weird about the DSP5 OS that doesnt play nicely with a ZF operating system/calibration???

The original ZF6 OS in the ECM was 15231600. So when I did the "update to DSP5" thing it changed it to 05160005 operating system. Is there some glitch with this OS?

Im going to try reflashing the ECM right now with the Tech 2/TIS2WEB and then reflash it again with EFILive to the DSP5 operating system and see what happens...

Ben