The automobile meaning of the engine code P216C Code. The automobile meaning of the engine P216C code is p for Powertrain Code – Problem is related engine, transmission and emissions systems. 2 for MFG – Manufacturer Specific. 1 for Fuel And Air Metering. 6 for Vehicle Speed Output Circuit and C for TFP Valve Position Switch-Drive Without Drive Ratio. Check the car engine light came on code P216C the and find the cause of the engine problem. Once the car engine is solved, then you can drive the car but make sure that the car engine is ok and you can understand by a test drive.