I'm confused. I have heard of a crankshaft position sensor, but not a camshaft one. I don't see any need for a camshaft one, because the cam and crank are connected by a timing chain. I would assume that they can get the camshaft position from the crankshaft position. Now, maybe you need a case learn if you removed or replaced the crankshaft position sensor. Correct me if I am wrong here.

Steve