The error P0216 Code is helpful and it is necessary to follow the real meaning. The general meaning of the engine code is not helpful for solving the car engine problem. The automobile meaning of the code is found online and the engine P0216 Code is P for Powertrain Code – Problem is related engine, transmission and emissions systems. 0 for SAE Generic. 2 for Computer And Auxiliary Outputs. 1 for IC Circuit High Voltage and 6 for Transmission Control Module Reprogrammable Memory. The error P0216 Code has real meaning and that real meaning helps to solve the car engine problem.