Saturn vue 2003 these codes came up P0056 P0161

Question

The sensor that is hooked up to the exhaust is a new one i just put in then I unhooked battery to reset n drove a bit n codes p0056 n p0161 came up

Answer 1

P0056 H02S Heater control circuit Bank 2 Sensor 2

P0161 H02S heater circuit open Bank 2 Sensor 2

Check the fuse for this, The H02S heater circuit is fused, Listed and located in the fuse relay box listed as EMISS which is a 10 amp fuse. replace if open, if fuse is good and has power check the harness for any open wires on the H02S Sensor 2 in concern