thanks for the info; but that is even more strange.. since after the install it was changed, I did not do any manual changes to this besides installing the standard tune..

but the question remains: why doesn't it install my lowered adjustments as I've tried few times now.

in the meantime, I have ...

hi,

few months ago I installed the standard GM tune (gm_tunes-1r02s.itf) but the tune shifpoints are set much too high (3>4 at 8499 rpm!).. I actually broke 2 pushrods due to this when test driving when it shot true the redline..

now, I have been trying multiple times to adjust the shiftpoint ...

I have an Intune and filed a registration, but the device can still not be updated and give same message.

second:

Few months ago, I installed a tune and all worked fine.

Now today, I connected it to adjust the shifting firmness, but it was not connecting.. It kept on saying key on / off.. Few ...

Hi,

Here in The Netherlands / Europe we only have 95 & 98 octane .. is there a (GM) tune available to improve up from the "diablo (93) tune' ?

thanks.

Sander

08 5.3 Tahoe

HI,

I am trying to update the InTune, but while loading, it mentions I need to register it?

Please explain how.

Sander