Error codes p0056 and p0060
hey guys recently i changed my engine in my 2006 g6 gt coupe because of a hydro lock and a rod comming out through my block. i got it back and the check engine light was on so i carried it to be scanned and i got these two error codes.
P0056: HO2S Heater Control Circuit Bank 2 Sensor 2
P0060: HO2S Heater Resistance Bank 2 Sensor 2
i am normally good with correcting check engine lights but i have never seen these two in my life and dont have a clue where to start. any help would be greatly appreciated. the car does not act strange in any way. except for sometimes when i am running the ac and when i turn the car off the fans run for maybe a minute or so after the car is turned off but only does this occasionally since i got it back. the engine is a 3.5.