2014 CHEVROLET SUBURBAN Electronic Stability Control Esc Problems

INTERMITTENT ELECTRICAL SHORT - RADIO NO POWER, DVD NO POWER. INTERMITTENT ELECTRICAL SHORT - STABILITY CONTROL DISPLAYING AFTER POWER RESTORED. INTERMITTENT ELECTRICAL SHORT AND HE VEHICLE STALLED ON 09/21/2017

THIS IS A RECURRING PROBLEM WITH MY 2014 SUBURBAN Z-71 4X4, FIRST OCCURRING AT 2735 MILES, AND AGAIN AT 19,367, 19,420, AND 20,435 MILES. WHILE DRIVING AT OR ABOVE 45 MPH, THE VEHICLE HAS EXHIBITED THE FOLLOWING SYMPTOMS: LOSS OF POWER WHILE THE "CHECK ENGINE," "STABILTRAK" AND "TRACTION CONTROL" WARNING LIGHTS APPEAR. THE VEHICLE INFORMATION CENTER READS "TRACTION CONTROL: OFF / STABILTRAK: OFF" FOLLOWED BY "SERVICE TRACTION CONTROL" AND "SERVICE STABILTRAK." THE READOUT THEN SHOWS "ENGINE POWER REDUCED." THE VEHICLE WILL NOT MAINTAIN HIGHWAY SPEEDS, AND REQUIRES FLOORING THE ACCELERATOR AND OR SHIFTING THE TRANSMISSION INTO "MANUAL" MODE IN ORDER TO MAINTAIN A SAFE HIGHWAY SPEED. RPMS EXCEED 3500 UNLESS USING MANUAL TRANSMISSION FUNCTION. AFTER RE-STARTING THE VEHICLE, SOME OR ALL WARNING LIGHTS EVENTUALLY DISAPPEAR, AND THE VEHICLE APPEARS TO RETURN TO NORMAL. WHEN I TOOK THE VEHICLE TO THE DEALER AFTER THE FIRST INCIDENT, THE VEHICLE WAS IN SERVICE...