The general meaning of the C1401 Code can be found from the online and it is not seriously helpful. The general meaning of the code is available online but you need to use the real meaning of the code what you will find form the car manufacturer. The general meaning of the code is C for Chassis Code Problem is controller area network wiring bus and modules. 1 for MFG – Manufacturer Specific. 4 for Transmission. 0 for IC Circuit High Voltage and 1 for TFP Valve Position Switch-Drive Without Drive Ratio. The C1401 engine code is a kind of chassis problem and it can be solved easily.