The engine P2780 Code is related with your car engine and meaning of the code is the good description of the car engine problem. Here, the powertrain is faulty and it is necessary to solve. It is very probable that there will be no various symptoms aside from the manual shifter function being incapacitated. The transmission supervisor may place the broadcast in limp-in mode. The transmission supervisor may place the transmission in limp-in mode. In this mode, the transmission will shift harshly and torque converter lockup will usually be eliminated. It is suggested to solve the car engine problem by help of an expert engineer.