Mercedes,
The timing changes are in actual degrees, so +.25 is actually adding ¼ degree of timing advance. I doubt the timing really had anything to do with it, although if it did it is more the possibility that the engine is making more power than expected and the computer is not happy.
Did you happen to have a second to check the DTCs? I have been hunting down a couple problems with a P061B DTC that has to do with a problem with torque calculation. I have 1 or 2 other customers that have had a similar issue. It doesn't occur all the time but it usually happens right after reprogramming the vehicle to a level.
When it does occur, you don't need to reprogram back to stock. All you should have to do is...
- Turn the key off
- Turn the key back on (Don't start)
- Go to the Diagnostics menu
- Clear the DTCs
- Turn the key off
- Restart the truck
It shouldn't occur again.
As I said, there is something in the torque calculation that is causing the issue and I'm working with a couple folks to get the issue isolated and resolved. As soon as I come up with a final solution, we'll be able to do a calibration update.
Stay tuned...
__________________
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