GM No RPMs! P0335 Diag & Repair

This 2007 Pontiac has a long crank time, no tachometer operation, and a P0335 - CKP Sensor Signal code stored. Owner already replaced the crankshaft position sensor, but that did not fix the problem. Can we get this one fixed NO PARTS REQUIRED? Bonus Diag included as well :) PHAD AMAZON STORE: https://www.amazon.com/shop/pinehollowautodiagnostics Enjoy! Ivan