No both sensors will have different codes, front is bank 1 rear is bank 2.
The ECU will relearn after being reset. Drive the car...
206,500miles 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