TBM and autopilot

I have the situation that when I engage the autopilot the aircraft turns left till wings vertical and then goes into an unrecoverable dive.
I had removed the community folder to see if there was a conflict of some sort but, the situation remained the same.
I then deleted the TBM from the sim, closed MSFS and restarted the computer and reinstalled the TBM, however, the situation remained the same, left roll till wings vertical and an unrecoverable dive.
This occurred in both heading and FMS mode.
Any thoughts or suggestions gratefully accepted

Where is your trim set to? Heading and FMS mode are roll modes. What vertical mode are you using?

Trims are set. rudder to neutral, a little nose up and neutral aileron. FMS mode selected and vertical altitude or speed mode selected.

Today, it seems to be behaving it’s self. Have not done anything different that I noticed. Go figure, ity would probably have been something that I was or was not doing.
Thanks for your reply.

I am on Xbox and have seen exactly this same behaviour on AP- an uncommanded roll to the left into a death dive! It has happened 2 out of 5 flights.

The issue seems to be with some of the aircraft textures.
I flew the default with no issues on the autopilot, then flew with an added texture and ended in the unauthorised death roll to the left.
I am going thru each of the textures that I have installed for the TBM just to see which of them has this issue.
I will list the textures that cause the issue when the exercise is complete.

Of the ten liveries that I have installed the only one to give trouble was the one titled Orange Shard. All others responded to heading mode and engaged FMS without issue.
Orange Shard will be deleted from the community folder.