mercedes ml400 cdi year 2003 dtc P2014 problem

[garagesport]

Hello colleagues, if someone can help me, I have this DTC in this car and it gives me this P2014 and I have placed a new sensor but it is still the same problem. Can someone help me? Thanks and regards

Mercedes ML 400 cdi year 2003
dtc:P2014

[garagesport]

Hello fellow, someone gives me a hand on this fault or what can I do to remove dtc