The automobile meaning of the engine P202D Code is not very necessary thing and it is important thing for only learning the car engine problem. It is the best idea to follow right meaning of the code and automobile dictionary meaning of the code may not suitable for the car engine problem. The automobile meaning of the code is p for Powertrain Code – Problem is related engine, transmission and emissions systems. 2 for MFG – Manufacturer Specific. 0 for Transmission. 2 for Cruise Control Servo Indicates Low and D for TFP Valve Position Switch-Drive Without Drive Ratio. The problem of the engine is related with powertrain.