Cayenne S error codes
 

So my wife’s 12 Cayenne S pulled the check engine light again. It did it a month ago (errors P1070, P0068) so I replaced the MAP and cleared the codes. Been fine for a month and just gave the codes again.

The truck runs fine and not sure where to turn next as there is not much to the intake system. I also got code C12016 - communication with the front end electronics control unit.

Not sure what to look for now, thoughts?

Sounds like a disagreement between two or more sensors. You might have to replace something else unfortunately.