This engine P2766 Code is found from the car engine and meaning of the code is the right explanation of the car engine problem. Know the right meaning of the code for solving the car engine. Without right meaning of the code, do not try to fix the car engine. Otherwise, you may face some new problem in the car engine. Here, the powertrain is faulty and the letter P lets us know about this problem. The car engine should be fully ok and you need to confirm it before driving it. Appoint an automobile engineer to know the actual cause of the car engine problem.