The engine P0841 Code encompasses much information and by the meaning of the code, you can know those information. By the information, you can fix the car engine if you get the real meaning of the car engine. The automobile dictionary meaning of the code is general information provider and you need to know that meaning. The automobile dictionary meaning is p for Powertrain Code Problem is related engine, transmission and emissions systems. 0 for SAE – Generic. 8 for Ignition System Or Misfire. 4 for BBV Sensor Circuit Low Voltage and 1 for TFP Valve Position Switch-Drive Without Drive Ratio.