Either trans will work. The ECU doesn't care at all. A manual trans is invisible to the truck except for clutch interlock switch.
That said, I recommend NV5600's over G56's.
G56 OEM released on production date of 1/2005 and after. 12/2004 got NV5600's.
That said, I recommend NV5600's over G56's.
G56 OEM released on production date of 1/2005 and after. 12/2004 got NV5600's.