Issue resolved. By Lew.

This is what worked under my circumstance which was writing custom TCM tune was at 100% and stuck there.

So FYI for members.

You have to unplug tool, start truck I let it run for 3 mins. Turn off truck plug tool back in.

Tool will say it's in recovery mode, click yes to ...

Afternoon.

So I loaded my custom tune no problem For the ECM.
TCM shows writing tune and it went to 100%.

It's been sitting there for the last 15 mins.

No errors. Tool is up to date, did that 1st thing.

I know the last step is the export process then it's complete.

Should I turn off truck ...