As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AIRCRAFT HAD JUST TAKEN OFF WHEN THE ENGINE CONTROL FAULT FOR LEFT AND RIGHT ENGINE AMBER MESSAGE APPEARED. THE CREW PERFORMED AIR TURN BACK TO AIRPORT OF ORIGIN AND PERFORMED AN UNEVENTFUL LANDING. DCU DOWNLOAD REQUESTED FOR BOTH ENGINE.