Might want to check the CPS if your year had one. Is usually on top of the trans bell housing and can be seen from the top.

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Terry Allison
N. Calif. & Boca Chica, Panama

09' E320 Bluetec 77k (USA)
09' Hyundai Santa Fe Diesel 48k (S.A.)

I checked under the hood with a flashlight and could not see anything connected to the bell housing, but, the 6 cyl engine sits very close the the fire wall and it is hard to see.
Maybe some one out there knows if my car has a CPS and if so, Where it is.
If i dont get any response on it Ill start a thread.