Unable to read backup TCM

[Leo O]

Hello, Im having a bit of trouble, When i attempt to update my 2006 chevy duramax 6.6 lbz with my intune i1000, it wont update. First i plug it in and it says"TCM Calibration for 1GCHK29DX6E194398 might need an update. Attempt a backup read?" then i click the yes. Then after, it attempts it, it says "Unable to read a backup of this TCM". Im not sure what to think of it. Because i put the 85 tune on there about 4 days ago already and i really dont feel a difference. Im not even sure if its kicked in or not. So basically, why cant it read a backup of the tcm and why hasnt the tune actually kicked in yet? If anyone could help, please i would appreciate it.

[Leo O]

Is anyone gonna help me or what? Do i really have to wait till monday to contact these diablosport themselves?

[mikel]

skip the TCM, click the red X.

[julienperformance]

Had the same problem here wit the same engine. We skip the TCM but transmission is very hard on shifting. What can we do?

Thanks, Jeremy.

[mikel]

when you load a tune to a duramax you need to drive it easy for a bit while it learns the new torque output and the trans will improve.