i have a stock 12606807 os flash that needs the 4l80 segment. truck has been swapped to 4l80 and 6.0l

i cant find a os that matches, can i start with this flash

"2006 Chevrolet Silverado Truck Automatic LQ4 6.0 Litre (12587811)" found on holden and update it?

just want to make sure flashing this wont brick the ecm.