Thanks . I made appt with dealership for Jan 21 here in nyc to see what they come up with .
I see posts about Xemodex etc here not sure if it work out of the box .

Thanks for your help . Yes this is only codes ecm9150 that shows up with “engine system urgent” and orange triangle light on. Dash no check engine light anything . It drives Normal though no symptoms . I cleaned battery terminals and also replaced MAf sensor with no luck .

hi guys i have Volvo S80 2.9L model year 2000 (non turbo) throwing ECM-9150 ETM internal fault (this pulled using iCarsoft 906 scanner) with orange triangle warning light / Engine system urgent message. the car only has 35000 miles. The car drives and no idle up and down issues just have just orange...