The ECU got assembled correctly 99% positive of that. When I went to go plug the ECU in and turned the key to on there was a spark and then and then the computer kept throwing that error message. I tried all of the suggestion non of them Did anything. This car had a miata link ecu a while ago and had the bullet connector from power steering was moved from the stock location in the harness to the one required for a miata link ecu.