That code is for a h02s heater circuit malfunction. You first need to determine if the sensor is at fault or the circuit is at fault. Throwing parts at a vehicle is never a good route to go.
Like hell! I throw parts at it all the time!
I'm throwing an engine at it now! muhahaha
XPZ, Alum heads,150#, I/C, GEN V mps 3.0, N* TB CAI K&N fully built trans, JE pistons, L32 rods, Comp lifters, PRJ Fuel rails, 65# Injectors, elec pump, MSD wires, MSD coils, Alum control arms, AGX, vogtland, GMPP sway bars, rear trailing arms