After many iterations of testing to narrow down the problem.  It would appear the with the SAT AMP attached to the Coil driver was when the oscillation appeared in the OSEM readbacks.  Putting the Test box in place of the SAT AMP did not show the problem.  Odds are it was an oscillation on the power that caused a problem on the PD circuit.  After shutting off the Coil driver and re-installing all of the cables there is no oscillation.