You may get lucky and just remove the banjo filter.
That code by itself may be the oil control valve. I think thats the one above #1 cylinder the passenger side front.
If you need the cars code reader here.
224,000miles 5/2012 ej257 short block, 8/2011 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. CHECK your oil, these cars use it.
Engine Build - Click Here