4xe shutting down while driving update - error code P1E1D

So I've posted before about the issue with my brand new 4xe - it will unpredictably shut down while driving, creating a very dangerous driving situation on busy roads. It does this while driving in hybrid mode, max regen on, even with a fully charged battery and full tank of gas. It has done this twice, having used different level chargers. The dealership has had it for 28 days total but cannot replicate the issue, so nothing has been fixed and of course they have given it back to me both times. The technician said each time the error code P1E1D wake-up performance is generated. They checked all circuits at BPCM (whatever that is) which were all fine, and also did a pin tension test which was fine. Just wondering...has anyone had this same error code, and if so what was the resolution? Even the Jeep engineers don't have a solution for it. Very frustrating.