Follow the vacuum line from the wastegate (the vacuum actuated device on the bottom of the turbo) and you will find the transducer. It has three vacuum hoses and an electrical connector going to it. One hose is the source, one hose is the vent (goes to a little filter) and one goes to the wastegate.

On the other side of the car is another identical transducer. It is for the EGR valve. You can try swapping the transducers and see if the code comes back or moves to the EGR, or, what I would suggest you try first is replace the little filters on the ends of the vent hoses. I did this the last time I had the code and it has not come back. Do both the EGR and turbo wastegate vents. They cost only a few dollars each from the dealer. Try this and report back, but if that doesn't cure it then the transducer itself is the next suspect - but that costs $150-$200.

Good luck on your recovery from IKE, hopefully it won't be much longer before you get your power back.

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Marty D.

2013 C300 4Matic
1984 BMW 733i
2013 Lincoln MKz